CN213547104U - Bilateral antithetical couplet of subway power supply system jumps function research circuit protector - Google Patents

Abstract

The utility model relates to a subway power supply system research technical field just discloses a subway power supply system bilateral antithetical couplet jumps function research circuit protector, including protecting crust down, the top of protecting crust is rotated down and is connected with protecting crust, it is connected with the top rotation of protecting crust down through the hinge to go up the protecting crust, the bleeder vent has been seted up to the front side of going up the protecting crust, the shifting chute has all been seted up with the left and right sides of last protecting crust down to the protecting crust. This bilateral antithetical couplet of subway power supply system jumps function research circuit protector, through the inside that makes the fixture block slip into the draw-in groove, realize the fixed of sliding block, and then make the clamp plate to the fixed stay of crew cut power plug circuit, through reciprocating of sliding block simultaneously, make the clamp plate can carry out the fixed stay to the crew cut power plug circuit of co-altitude not, reduce the power supply line condition emergence of entangling together for researcher can be more clear knows the power plug of every circuit.

Description

Bilateral antithetical couplet of subway power supply system jumps function research circuit protector

Technical Field

The utility model relates to a subway power supply system research technical field specifically is a bilateral antithetical couplet of subway power supply system jumps function research circuit protector.

Background

The subway is an important traffic infrastructure in China, and along with the recent development of the subway industry in China, the subway power supply system also has more perfect characteristics in the aspect of system design, the power supply system used by the urban rail in China mainly has more perfect characteristics in the aspect of double design at present, the power supply system used by the urban rail in China is mainly realized in double rows at present, in the process of researching the bilateral combined-tripping function of the subway power supply system, various electric appliances are required to be used, and further, more lines are needed for researching the bilateral combined-tripping function of the subway power supply system; a line flat-head power plug of an instrument for researching the bilateral combined tripping function of some subway power supply systems is inserted into a plug board; however, the flat-head power plug of some instruments is easily loosened on the plug board, so that the electric appliance used by a researcher is powered off, the research data of the researcher is lost, and meanwhile, the electric appliance is easily short-circuited, so that the electric appliance is damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a bilateral antithetical couplet of subway power supply system jumps function research circuit protector, possess and reduce to a certain extent, the researcher is when studying, flat head power plug takes place not hard up, and then the electrical apparatus that makes the researcher use takes place the outage, the condition that makes the research data of researcher lose takes place advantages such as, the circuit flat head power plug who has solved some instruments is on the picture peg, the not hard up condition of plug easily takes place, and then the electrical apparatus that makes the researcher use takes place the outage, the condition that makes the research data of researcher lose takes place, easily make the electrical apparatus take place the condition of short circuit simultaneously, and then make the problem that electrical.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a bilateral united-tripping function research line protection device of a subway power supply system comprises a lower protection shell, wherein the top of the lower protection shell is rotatably connected with an upper protection shell, the upper protection shell is rotatably connected with the top of the lower protection shell through a hinge, the front side of the upper protection shell is provided with an air hole, the left side and the right side of the lower protection shell and the upper protection shell are both provided with a moving groove, the inside of the moving groove is provided with a sliding groove, the front surface and the rear surface inside the sliding groove are both provided with clamping grooves, the inside of the sliding groove is slidably connected with a sliding block, the front side and the rear side of the sliding block are both provided with rotating grooves, the inside of the rotating groove is rotatably connected with a rotating plate, the rear surface inside the rotating groove is fixedly connected with a second spring, the front end of the second spring is fixedly connected with the rear side of the rotating plate, the front side of the bottom of the rotating, the surface of the clamping block is connected with the inside of the clamping groove in a sliding mode, the top of the sliding block is fixedly connected with a clamping plate, a supporting protection device is arranged inside the upper protection shell, and a protection fixing device is arranged at the bottom of the upper protection shell.

Preferably, the supporting and protecting device comprises a second supporting rod, the top of the second supporting rod is fixedly connected with the upper surface inside the upper protecting shell, the upper surface inside the second supporting rod is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with a first supporting rod, and the bottom of the first supporting rod is rotatably connected with a supporting plate.

Preferably, protection fixing device includes the fixed block, the top of fixed block and the bottom fixed connection of last protecting crust, the fixed block is "U" font, the fixed slot has been seted up at the top of protecting crust down, the inside sliding tray that has seted up of front side of protecting crust down, the sliding tray is "L" shape, the inside sliding connection in the vertical groove of sliding tray has the power pole, the power pole is "U" font equally, the rear side fixedly connected with dead lever of power pole vertical pole, the vertical cross-section of dead lever is circular, the inside fixedly connected with third spring in the vertical groove of sliding tray, the rear end of third spring is connected with the fixed surface of dead lever.

Preferably, the moving grooves on the left side and the right side of the lower protective shell are communicated with the moving grooves on the left side and the right side of the upper protective shell, and the rotating grooves are arranged on the front side and the rear side of the sliding block in a mirror image mode.

Preferably, the quantity of second bracing piece is three, three the inside of second bracing piece is provided with the same structure, and is three the second bracing piece equidistance sets up the upper surface at last protective housing inside, the inside of second bracing piece is hollow structure, the inside sliding connection of surface and the second bracing piece of first bracing piece.

Preferably, the rear side of fixed block bottom is provided with the inclined plane, the quantity of fixed block is two, two the fixed block is the mirror image form and sets up the left and right sides in the bleeder vent bottom.

Preferably, the quantity of fixed slot is two, two the fixed slot is the left and right sides of mirror image form setting at protective housing bottom down, the inside sliding connection of surface and fixed slot of fixed block, the inside of the horizontal groove of sliding tray communicates with each other with the inside of fixed slot.

Preferably, the surface of the fixing rod is slidably connected with the inside of the transverse groove of the sliding groove, and the surface of the fixing rod is slidably connected with the inside of the fixing groove.

Preferably, the third spring is sleeved on the surface of the longitudinal rod of the power rod, and the surface of the fixed rod is connected with the inner part of the fixed block in a sliding manner.

(III) advantageous effects

Compared with the prior art, the utility model provides a bilateral antithetical couplet of subway power supply system jumps function research circuit protector possesses following beneficial effect:

1. this bilateral antithetical couplet of subway power supply system jumps function research circuit protector, through the inside that makes the fixture block slip in the draw-in groove, realize the fixed of sliding block, and then make the clamp plate to the fixed stay of crew cut power plug circuit, reciprocate through the sliding block simultaneously, make the clamp plate can carry out the fixed stay to the crew cut power plug circuit of co-altitude not, and then make the device can adapt to the crew cut power plug circuit of multiple size, simultaneously through the fixed stay to the circuit, make the device can classify to power supply circuit to a certain extent, it takes place to reduce the condition that power supply circuit entangles together, make the power plug of knowing every circuit that the researcher can be more clear, make the use power that the researcher can be safer study to a certain extent.

2. This bilateral antithetical couplet of subway power supply system jumps function research circuit protector, the first bracing piece through both ends top around the backup pad is to the interact power of backup pad, make the backup pad to the tight more stable in top of crew cut power plug, and then make the use electrical apparatus that the researcher can be safer, carry out the research to the bilateral antithetical couplet of subway power supply system jumps the function, reduce to a certain extent, the researcher is when studying, the crew cut power plug takes place to become flexible, and then make the electrical apparatus that the researcher used take place the outage, the condition that makes the researcher's research data lose takes place, make the electrical apparatus that the researcher used safer to a certain extent simultaneously, reduce the condition that makes the electrical apparatus take place the short circuit.

3. This bilateral antithetical couplet of subway power supply system jumps function research circuit protector, through the inside that makes the dead lever slide in the fixed block, and then realize the fixed to the fixed block, protective housing and last protective housing are fixed down to the messenger, make the power rod remove backward, the inside of dead lever roll-off fixed block, and then realize that the fixed of protective housing and last protective housing is relieved down, make the operative installations that the researcher can be more convenient protect the circuit, make the researcher can be more convenient dismantle and install the device simultaneously, make the staff can be more convenient examine the circuit plug of device inside.

4. This bilateral antithetical couplet of subway power supply system jumps function research circuit protector, the bottom through last protecting crust laminates with the top of protecting crust down each other, the plug that makes the bilateral antithetical couplet of subway power supply system jump function research circuit obtains the protection, avoid the researcher to spill water on the circuit crew cut power plug carelessly to a certain extent simultaneously, and then reduce the condition that the line plug makes electrical apparatus take place the short circuit because of moisture, make researcher's operational environment safer simultaneously, make researcher can be safer use electrical apparatus to study the bilateral antithetical couplet of subway power supply system jump function.

5. This bilateral antithetical couplet of subway power supply system jumps function research circuit protector, be the hemisphere through the draw-in groove, the fixture block is two-thirds spherical, and then make the frictional force between draw-in groove and the fixture block obtain reducing, make the inside at the draw-in groove that the fixture block can be more convenient reciprocate, and then make the device fixed to the support of circuit, more smoothly, it takes place to reduce the condition that power supply line entangles together, and then make the circuit of the various electrical apparatus of recognition that the researcher can be more clear, reduce simultaneously to a certain extent and entangle together because of the circuit, make the condition that the short circuit takes place for the circuit.

Drawings

FIG. 1 is a schematic view of the protective device of the present invention;

FIG. 2 is a schematic view of the unfolding structure of the protection device of the present invention;

FIG. 3 is a schematic view of the left side plane structure of the sliding block of the present invention;

FIG. 4 is a schematic sectional view of the support plate of the present invention;

FIG. 5 is a left side view of the lower protective shell of the present invention;

fig. 6 is a schematic view of the structure of the lower protective shell of the present invention.

In the figure: the device comprises a lower protective shell 1, an upper protective shell 2, a sliding block 3, a moving groove 4, a power rod 5, air holes 6, a fixed block 7, a supporting plate 8, a sliding groove 9, a clamping plate 10, a sliding groove 11, a fixed groove 12, a first supporting rod 13, a first spring 14, a second supporting rod 15, a second spring 16, a rotating plate 17, a clamping block 18, a clamping groove 19, a fixed rod 20, a third spring 21 and a rotating groove 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a subway power supply system bilateral united-jump function research line protection device comprises a lower protection shell 1, an inserting plate can be placed in the lower protection shell 1, the top of the lower protection shell 1 is rotatably connected with an upper protection shell 2, the upper protection shell 2 is rotatably connected with the top of the lower protection shell 1 through a hinge, the upper protection shell 2 can rotate at the top of the lower protection shell 1, the front side of the upper protection shell 2 is provided with an air vent 6, air in the device can be exchanged with outside air through the air vent 6, meanwhile, heat generated at a line plug can be quickly dissipated through the air vent 6, the top of the front side of the lower protection shell 1 and the bottom of the front side of the upper protection shell 2 are both provided with grooves, so that lines of the inserting plate can be fixed, the left side and the right side of the lower protection shell 1 and the left side and the right side of the upper protection shell 2 are both provided with moving grooves 4, the moving grooves 4 of the left side and the right side of the lower protection shell 1 are communicated with the moving grooves, the inner parts of the moving grooves 4 which are respectively arranged at the left side and the right side of the lower protective shell 1 and the upper protective shell 2 are provided with the same structure, the inner parts of the moving grooves 4 are provided with sliding grooves 9, the front surface and the back surface of the inner parts of the sliding grooves 9 are provided with clamping grooves 19, the clamping grooves 19 are hemispherical, the number of the clamping grooves 19 is multiple, the clamping grooves 19 are equidistantly arranged on the front surface and the back surface of the inner parts of the sliding grooves 9, the inner parts of the sliding grooves 9 are slidably connected with sliding blocks 3, the sliding blocks 3 can slide up and down in the sliding grooves 9, the front side and the back side of the sliding blocks 3 are provided with rotating grooves 22, the two rotating grooves 22 are arranged at the front side and the back side of the sliding blocks 3 in a mirror image mode, the inner parts of the two sliding blocks 3 are provided with the same structure, the inner parts of the rotating grooves 22, the front end of the second spring 16 is fixedly connected with the rear side of the rotating plate 17, the second spring 16 can be stretched and compressed through the forward and backward rotation of the rotating plate 17, a clamping block 18 is fixedly connected with the front side of the bottom of the rotating plate 17, the clamping block 18 is in a two-thirds spherical shape, the surface of the clamping block 18 is in sliding connection with the inside of the clamping groove 19, the clamping block 18 can slide into and slide out of the inside of the clamping groove 19, the top of the sliding block 3 is fixedly connected with a clamping plate 10, the clamping plate 10 is in a one-third annular shape, and a supporting and protecting device is arranged inside the upper protective shell 2;

the lower protective shell 1 and the sliding block 3 in the sliding grooves 9 on the left and right sides of the upper protective shell 2 move relatively close to each other, when the sliding block 3 moves upwards in the sliding grooves 9, the clamping block 18 slides out of the clamping groove 19, meanwhile, the clamping block 18 slides out of the clamping groove 19, the second spring 16 is compressed, the rotating plate 17 rotates backwards, because the clamping groove 19 is hemispherical, the clamping block 18 is two-thirds spherical, the friction between the clamping groove 19 and the clamping block 18 is reduced, the clamping block 18 can move up and down in the clamping groove 19 more conveniently, when the clamping block 18 moves to the upper part of the clamping groove 19, the second spring 16 resets, the rotating plate 17 rotates forwards, the clamping block 18 slides into the clamping groove 19, the sliding block 3 is fixed, the clamping plate 10 can fixedly support a flat-head power plug circuit, and the sliding block 3 moves up and down, the clamping plate 10 can fixedly support flat-head power plug circuits with different heights, so that the device can adapt to flat-head power plug circuits with various sizes, and meanwhile, the device can classify the power supply circuits to a certain extent through the fixed support of the circuits, so that the occurrence of entanglement of the power supply circuits is reduced, researchers can know the power plug of each circuit more clearly, and the researchers can use a power supply more safely to study to a certain extent;

the supporting and protecting device comprises second supporting rods 15, the top of each second supporting rod 15 is fixedly connected with the upper surface inside the upper protecting shell 2, the number of the second supporting rods 15 is three, the three second supporting rods 15 are equidistantly arranged on the upper surface inside the upper protecting shell 2, the three second supporting rods 15 are internally provided with the same structure, the inside of each second supporting rod 15 is of a hollow structure, the upper surface inside the corresponding second supporting rod 15 is fixedly connected with a first spring 14, the bottom end of the first spring 14 is fixedly connected with a first supporting rod 13, the surface of the first supporting rod 13 is in sliding connection with the inside of the corresponding second supporting rod 15, the first supporting rod 13 can slide up and down inside the corresponding second supporting rod 15, the bottom of the corresponding first supporting rod 13 is rotatably connected with a supporting plate 8, the supporting plate 8 can rotate up and down at the bottom of the corresponding first supporting rod 13, the bottoms of the other two first supporting rods 13 are mutually contacted with the top of the corresponding supporting plate 8, the three first supporting rods 13 are equidistantly arranged at the top of the supporting plate 8, and the bottom of the upper protective shell 2 is provided with a protective fixing device;

when the bottom of the upper protective shell 2 is superposed with the top of the lower protective shell 1, the bottom of the supporting plate 8 is contacted with the top of the flat-head power plug and is tightly propped through the first supporting rod 13, so that the flat-head power plug is more stable on the plug board, meanwhile, the supporting plate 8 is more stably propped against the flat-head power plug through the interaction force of the first supporting rods 13 at the tops of the front end and the rear end of the supporting plate 8 on the supporting plate 8, so that a researcher can use an electric appliance more safely to research the bilateral combined tripping function of a subway power supply system, the mutual action force is reduced to a certain extent, when the researcher conducts research, the flat-head power plug is loosened, the electric appliance used by the researcher is powered off, the research data of the researcher is lost, and the electric appliance used by the researcher is safer to a certain, the condition that the electrical appliance is short-circuited due to the looseness of the flat-head power plug is reduced;

the protection fixing device comprises fixing blocks 7, the top of each fixing block 7 is fixedly connected with the bottom of the upper protection shell 2, each fixing block 7 is U-shaped, the rear side of the bottom of each fixing block 7 is provided with an inclined plane, the number of the fixing blocks 7 is two, the two fixing blocks 7 are arranged on the left side and the right side of the bottom of the vent hole 6 in a mirror image mode, the top of the lower protection shell 1 is provided with two fixing grooves 12, the number of the fixing grooves 12 is two, the two fixing grooves 12 are arranged on the left side and the right side of the bottom of the lower protection shell 1 in a mirror image mode, the surface of each fixing block 7 is connected with the inside of the corresponding fixing groove 12 in a sliding mode, each fixing block 7 can slide into and slide out of the corresponding fixing groove 12, the inside of the front side of the lower protection shell 1 is provided with a sliding groove 11, each sliding groove 11 is L-shaped, the power rod 5 is also U-shaped, the rear side of the longitudinal rod of the power rod 5 is fixedly connected with a fixed rod 20, the vertical section of the fixed rod 20 is circular, the surface of the fixed rod 20 is connected with the inner part of the transverse groove of the sliding groove 11 in a sliding way, the fixed rod 20 can move back and forth in the transverse groove of the sliding groove 11, the surface of the fixed rod 20 is connected with the inner part of the fixed groove 12 in a sliding way, the fixed rod 20 can move back and forth in the fixed groove 12, the inner part of the longitudinal groove of the sliding groove 11 is fixedly connected with a third spring 21, the rear end of the third spring 21 is fixedly connected with the surface of the fixed rod 20, the third spring 21 is sleeved on the surface of the, the third spring 21 can be compressed and stretched by the forward and backward movement of the power rod 5, the surface of the fixed rod 20 is slidably connected with the inside of the fixed block 7, and the fixed rod 20 can slide into and out of the inside of the fixed block 7;

the bottom of the upper protective shell 2 is mutually attached to the top of the lower protective shell 1, the fixed block 7 slides into the fixed groove 12, meanwhile, the inclined plane arranged at the rear side of the bottom of the fixed block 7 is in circular fit with the vertical section of the fixed rod 20, when the fixed block 7 slides into the fixed groove 12, the fixed rod 20 can be pushed to move backwards, when the inside of the fixed block 7 slides to the front side of the fixed rod 20, the third spring 21 is reset, the fixed rod 20 slides into the fixed block 7, the fixed block 7 is further fixed, the lower protective shell 1 and the upper protective shell 2 are fixed, the power rod 5 is enabled to move backwards, the fixed rod 20 slides out of the inside of the fixed block 7, the fixation between the lower protective shell 1 and the upper protective shell 2 is further realized, the researchers can protect the line by using the device more conveniently, and simultaneously, the researchers can detach and install the device more conveniently, the circuit plug inside the device can be more conveniently checked by workers.

The working principle is as follows: when the subway power supply system is used, the bilateral joint jump function research line protection device is used;

the first step is as follows: the bottom of the upper protective shell 2 is attached to the top of the lower protective shell 1, the fixed block 7 slides into the fixed groove 12, meanwhile, the inclined plane arranged on the rear side of the bottom of the fixed block 7 is in circular fit with the vertical cross section of the fixed rod 20, when the fixed block 7 slides into the fixed groove 12, the fixed rod 20 can be pushed to move backwards, when the inside of the fixed block 7 slides to the front side of the fixed rod 20, the third spring 21 resets, the fixed rod 20 slides into the fixed block 7, the fixed block 7 is fixed, the lower protective shell 1 and the upper protective shell 2 are fixed, the power rod 5 moves backwards, the fixed rod 20 slides out of the inside of the fixed block 7, the lower protective shell 1 and the upper protective shell 2 are fixed, and researchers can protect the circuit by using a device more conveniently;

the second step is that: when the bottom of the upper protective shell 2 is superposed with the top of the lower protective shell 1, the bottom of the supporting plate 8 is contacted with the top of the flat-end power plug and is tightly propped through the first supporting rod 13, so that the flat-end power plug is more stable on the plug board, and meanwhile, the supporting plate 8 is more stably propped against the flat-end power plug through the interaction force of the first supporting rods 13 at the tops of the front end and the rear end of the supporting plate 8 on the supporting plate 8, so that researchers can use an electric appliance more safely to research the bilateral combined tripping function of a subway power supply system;

the third step: protective housing 1 carries out the motion of being close to relatively with the inside sliding block 3 of last protective housing 2 left and right sides spout 9 under the messenger, when sliding tray 11 is in the inside rebound of spout 9, make the inside of fixture block 18 roll-off draw-in groove 19, simultaneously because the inside of fixture block 18 roll-off draw-in groove 19, make second spring 16 compress, rotor plate 17 rotates backward, because draw-in groove 19 is the hemisphere, fixture block 18 is two-thirds spherical, and then make the frictional force between draw-in groove 19 and the fixture block 18 reduce, make the fixture block 18 can be more convenient reciprocate in the inside of draw-in groove 19, when fixture block 18 moves to the top of draw-in groove 19, second spring 16 resets, make rotor plate 17 rotate forward, and then make the inside of fixture block 18 slip-in draw-in groove 19, realize the fixed of sliding tray 11, and then make the fixed stay of clamp plate 10 to flat head power plug circuit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a bilateral antithetical couplet of subway power supply system jumps function research circuit protector, includes protecting crust (1) down, the top of protecting crust (1) is rotated down and is connected with protecting crust (2), go up protecting crust (2) and rotate through the hinge and be connected its characterized in that with the top of protecting crust (1) down: the front side of the upper protective shell (2) is provided with air holes (6), the left side and the right side of the lower protective shell (1) and the upper protective shell (2) are respectively provided with a moving groove (4), the inside of the moving groove (4) is provided with a sliding groove (9), the front surface and the rear surface of the inside of the sliding groove (9) are respectively provided with a clamping groove (19), the inside of the sliding groove (9) is connected with a sliding block (3) in a sliding manner, the front side and the rear side of the sliding block (3) are respectively provided with a rotating groove (22), the inside of the rotating groove (22) is rotatably connected with a rotating plate (17), the rear surface of the inside of the rotating groove (22) is fixedly connected with a second spring (16), the front end of the second spring (16) is fixedly connected with the rear side of the rotating plate (17), the front side of the bottom of the rotating plate (17) is fixedly connected with a, the surface of the clamping block (18) is connected with the inner portion of the clamping groove (19) in a sliding mode, the top of the sliding block (3) is fixedly connected with a clamping plate (10), a supporting protection device is arranged inside the upper protection shell (2), and a protection fixing device is arranged at the bottom of the upper protection shell (2).

2. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 1, characterized in that: the supporting and protecting device comprises a second supporting rod (15), the top of the second supporting rod (15) is fixedly connected with the upper surface of the inner part of the upper protecting shell (2), a first spring (14) is fixedly connected with the upper surface of the inner part of the second supporting rod (15), a first supporting rod (13) is fixedly connected with the bottom end of the first spring (14), and a supporting plate (8) is rotatably connected with the bottom of the first supporting rod (13).

3. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 1, characterized in that: the protection fixing device comprises a fixing block (7), the top of the fixing block (7) is fixedly connected with the bottom of the upper protection shell (2), the fixed block (7) is U-shaped, the top of the lower protective shell (1) is provided with a fixed groove (12), a sliding groove (11) is arranged inside the front side of the lower protective shell (1), the sliding groove (11) is L-shaped, a power rod (5) is connected inside the longitudinal groove of the sliding groove (11) in a sliding way, the power rod (5) is also U-shaped, the rear side of the longitudinal rod of the power rod (5) is fixedly connected with a fixed rod (20), the vertical section of the fixed rod (20) is circular, a third spring (21) is fixedly connected inside the longitudinal groove of the sliding groove (11), the rear end of the third spring (21) is fixedly connected with the surface of the fixed rod (20).

4. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 1, characterized in that: the moving grooves (4) on the left side and the right side of the lower protective shell (1) are communicated with the moving grooves (4) on the left side and the right side of the upper protective shell (2), and the rotating grooves (22) are arranged on the front side and the rear side of the sliding block (3) in a mirror image mode.

5. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 2, wherein: the quantity of second bracing piece (15) is three, and is three the inside of second bracing piece (15) is provided with the same structure, and is three second bracing piece (15) equidistance sets up the upper surface in last protecting crust (2) inside, the inside of second bracing piece (15) is hollow structure, the inside sliding connection of the surface of first bracing piece (13) and second bracing piece (15).

6. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 3, wherein: the rear side of fixed block (7) bottom is provided with the inclined plane, the quantity of fixed block (7) is two, two fixed block (7) are the left and right sides of mirror image form setting in bleeder vent (6) bottom.

7. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 3, wherein: the quantity of fixed slot (12) is two, two fixed slot (12) are the left and right sides of mirror image form setting protective housing (1) bottom under, the inside sliding connection of the surface of fixed block (7) and fixed slot (12), the inside in sliding tray (11) transverse groove communicates with each other with the inside of fixed slot (12).

8. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 3, wherein: the surface of the fixing rod (20) is in sliding connection with the inner part of the transverse groove of the sliding groove (11), and the surface of the fixing rod (20) is in sliding connection with the inner part of the fixing groove (12).

9. The protection device for the bilateral united-hop functional research line of the subway power supply system according to claim 3, wherein: the third spring (21) is sleeved on the surface of the longitudinal rod of the power rod (5), and the surface of the fixed rod (20) is in sliding connection with the inside of the fixed block (7).

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