CN115431207B

CN115431207B - Electric tool for space maintenance outside track cabin

Info

Publication number: CN115431207B
Application number: CN202211252972.0A
Authority: CN
Inventors: 傅浩; 杨晓宁; 王哲; 于洋; 武婷婷; 郑鹏; 郭涛
Original assignee: Beijing Institute of Spacecraft Environment Engineering
Current assignee: Beijing Institute of Spacecraft Environment Engineering
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-26
Anticipated expiration: 2042-10-13
Also published as: CN115431207A

Abstract

The invention discloses an electric tool for maintaining a space outside an on-orbit cabin, which comprises a handle, a battery box and a shell, wherein a storage mechanism is arranged on the shell, the outer ring of the storage mechanism is uniformly used for storing maintenance tools, the storage mechanism comprises a cylindrical sleeve, a first matching sleeve and a second matching sleeve, an indexing component and a clamping component are arranged between the first matching sleeve and the second matching sleeve and the cylindrical sleeve, a connecting component is arranged on the maintenance tools, the connecting component is connected with a telescopic rope, and the connecting component is fixedly connected with the first matching sleeve through the connecting rope.

Description

Electric tool for space maintenance outside track cabin

Technical Field

The invention relates to the technical field of space on-orbit maintenance equipment, in particular to an electric tool for space on-orbit cabin maintenance.

Background

Along with the continuous promotion construction of chinese space station, space station's scale and size are bigger and bigger, space person can stay on orbit for a long time and carry out scientific task research, space station's construction can last for a long time, and space station's design life is more than fifteen years, through the maintenance of on-orbit personnel, change ageing damaged equipment, can be with life to more than twenty years, cabin outside equipment all uses loose not to take off fastener and cabin body connection, space on-orbit maintenance electric tool is used for carrying out loose not to take off the dismouting of fastener, be the key equipment in the space on-orbit maintenance tool.

The astronaut is in the weightlessness state in the space, and can wear thick space suit outside the cabin, sense of touch and to the perception of moment decline greatly, and can't borrow the power under being in the showy weightlessness state, the dismouting action can be very slow, and very hard, the astronaut need be dismantled and assembled when the damage equipment is changed in the maintenance of extravehicular, can meet the fastening bolt of multiple model sometimes, the astronaut is inconvenient to carry the maintenance tool of multiple model outside the cabin, and the easy emergence is lost when changing the maintenance tool, produce space rubbish, easily cause the threat to space station and spacecraft flight around, consequently, need an electric tool that adapts to extravehicular maintenance to adapt to different maintenance scenes.

Disclosure of Invention

The invention aims to provide an electric tool for maintenance of a space outside an on-orbit cabin, which aims to solve the problems that a maintenance tool is inconvenient to replace when a spaceman maintains the space outside the cabin, the maintenance tool is easy to float and lose during replacement, and space garbage affects a space station and the flight safety of a spacecraft.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a space is at electric tool for maintenance outside the cabin of rail, includes the handle, the handle is connected with battery case and shell, be provided with the connector link on the battery case, install the maintenance motor in the shell, the maintenance motor is connected with the output shaft, be provided with the adapter sleeve on the output shaft, be provided with storage mechanism on the shell, maintenance tool has evenly been accomodate to storage mechanism's outer lane, storage mechanism is including setting up the cylinder cover on the shell, install first cooperation cover and second cooperation cover on the cylinder cover, be provided with the closing cap between first cooperation cover and the second cooperation cover, fixed connection between first cooperation cover and the second cooperation cover, first cooperation cover and second cooperation cover with be provided with the transposition subassembly between the cylinder cover, be provided with the storage groove on first cooperation cover and the second cooperation cover, be provided with the chucking subassembly in the storage groove, maintenance tool passes through the chucking installation between chucking subassembly and the storage groove, be provided with the coupling assembling on the maintenance tool, install first cooperation cover and second cooperation cover, be provided with the closing cap between coupling assembling and the maintenance tool rotation subassembly, be connected with telescopic link, telescopic link has a fixed connection seat and a fixed connection.

As a further scheme of the invention: the indexing assembly comprises a positioning ring arranged on the outer ring of the cylindrical sleeve, a first connecting flange is arranged on the first matching sleeve, a second connecting flange is arranged on the second matching sleeve, the first connecting flange and the second connecting flange are connected through fixing bolts, the first matching sleeve and the second matching sleeve are rotatably installed between the first connecting flange and the second connecting flange, the positioning ring and the cylindrical sleeve, and the indexing assembly further comprises a rotation angle limiting module.

As still further aspects of the invention: the rotation angle limiting module comprises a telescopic cavity arranged in the first connecting flange, a plug pin is transversely arranged in the telescopic cavity, the plug pin is uniformly arranged on the first connecting flange, a matching cover is arranged on one side of the plug pin, which is positioned in the telescopic cavity, a first spring is sleeved on one side of the plug pin, which is positioned in the telescopic cavity, a drop-preventing block is arranged on one side, which is far away from the telescopic cavity, of the plug pin, hemispherical protrusions are uniformly arranged on one side, which faces the telescopic cavity, of the positioning ring, and the matching cover is matched with the hemispherical protrusions under the action of the first spring.

As still further aspects of the invention: the clamping assembly comprises an arc-shaped supporting block arranged in the storage groove, the arc-shaped supporting block is connected with the bottom of the storage groove through a second spring, and rubber clamping blocks are symmetrically arranged on two sides of the storage groove.

As still further aspects of the invention: the clamping assembly further comprises clamping rollers arranged on two sides of the storage groove, an installation shaft is rotatably connected to the axis of the clamping rollers, two ends of the installation shaft are connected with matching sliding blocks, sliding grooves are formed in the inner sides of the first matching sleeve and the second matching sleeve, the installation shaft is slidably installed between the matching sliding blocks and the sliding grooves, a third spring is arranged in the sliding grooves, and the third spring is arranged on one side, away from the storage groove, of the sliding blocks.

As still further aspects of the invention: the end of maintenance tool is provided with the spacing collar, the spacing collar is provided with two, coupling assembling sets up two between the spacing collar, coupling assembling is including setting up two gyration module between the spacing collar, first arc clamp splice and second arc clamp splice have been cup jointed on the gyration module, be provided with the go-between on the second arc clamp splice, the go-between links to each other with the telescopic rope, link to each other through connecting bolt between first arc clamp splice and the second arc clamp splice, first arc clamp splice and second arc clamp splice pass through and rotate between gyration module and the maintenance tool and be connected.

As still further aspects of the invention: the rotary module comprises a retainer arranged between two limiting rings, wherein the retainer is provided with two layers, steel balls are arranged between the retainers in a limiting mode, the two layers are connected through connecting columns, arc grooves are formed in the inner sides of a first arc-shaped clamping block and a second arc-shaped clamping block, and the first arc-shaped clamping block and the second arc-shaped clamping block are matched with the steel balls through the arc grooves.

As still further aspects of the invention: the steel balls are uniformly provided with two circles along the outer ring of the retainer.

As still further aspects of the invention: the plug pins are uniformly provided with four groups.

As still further aspects of the invention: the indexing assembly also includes a torsion flange uniformly disposed on the closure.

Compared with the prior art, the invention has the beneficial effects that:

(1) The storage mechanism is arranged to store the maintenance tools of various types, the clamping assembly is matched to clamp the maintenance tools in the storage groove, the maintenance tools are prevented from accidentally falling off from the storage groove and flying away from a astronaut to become space garbage, and the smooth maintenance operation is ensured;

(2) Through setting up the transposition subassembly, rotate the installation to the receiving mechanism, the astronaut can adjust the angle of receiving mechanism as required when carrying out maintenance operation, is convenient for take the maintenance tool who accomodates in the receiving mechanism, sets up the gyration angle in the transposition subassembly simultaneously and prescribes a limit to the module, can guarantee after rotating the receiving mechanism that the whole that first cooperation cover and second cooperation cover are constituteed keeps relative position under cooperation cover and hemispherical protrusion's effect, avoids taking place free rotation;

(3) The maintenance tool and the storage mechanism are fixedly connected through the connecting assembly and the telescopic rope, so that the maintenance tool is prevented from falling off and flying away from a astronaut when being taken and replaced, meanwhile, the rotating module is arranged in the connecting assembly, and the rotating module is combined to enable the maintenance tool to smoothly output power for maintenance operation under the driving of the maintenance motor.

Drawings

FIG. 1 is a schematic view of a power tool for maintenance of a space outside a rail compartment;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic view showing the internal structure of a housing mechanism in an electric tool for maintenance outside a rail compartment;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4 at C;

FIG. 6 is a schematic view of a clamping assembly in an electric tool for off-rail maintenance in space;

FIG. 7 is a schematic view of the installation of a connection assembly with a first mating sleeve in an electric tool for off-board maintenance in space;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at D;

FIG. 9 is a schematic view showing the cooperation structure of the connection assembly and the maintenance tool in the electric tool for maintenance outside the rail compartment;

FIG. 10 is a schematic view showing a disassembled structure of a connection assembly in an electric tool for maintenance of a space outside a rail compartment;

fig. 11 is an enlarged schematic view of fig. 10 at E.

In the figure: 1. a handle; 2. a battery case; 3. a connecting buckle; 4. a housing; 5. an output shaft; 6. connecting sleeves; 7. a storage mechanism; 9. a clamping assembly; 10. a connection assembly; 01. a maintenance tool; 010. a connecting shaft; 011. a limit ring; 11. a telescopic rope; 12. fixing the connecting seat; 13. twisting the flange; 14. a closing cap; 70. a cylindrical sleeve; 71. a first mating sleeve; 72. a second mating sleeve; 73. a storage groove; 74. a positioning ring; 740. hemispherical protrusions; 75. a first connection flange; 76. a second connection flange; 760. a telescopic chamber; 77. a fixing bolt; 8. a plug pin; 80. an anti-falling block; 81. a mating cover; 82. a first spring; 90. arc-shaped support blocks; 91. a second spring; 92. a rubber clamping block; 93. a pinch roller; 94. a mounting shaft; 95. a chute; 96. a third spring; 97. matching with a sliding block; 101. a first arcuate clamping block; 102. a second arc-shaped clamping block; 103. a connecting bolt; 104. a connecting ring; 105. an arc-shaped groove; 106. a retainer; 107. a steel ball; 108. and (5) connecting the columns.

Detailed Description

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1 to 8, an electric tool for maintenance of a space outside an on-orbit cabin comprises a handle 1, the handle 1 is connected with a battery box 2 and a shell 4, a connecting buckle 3 is arranged on the battery box 2, a maintenance motor is installed in the shell 4, the maintenance motor is connected with an output shaft 5, a connecting sleeve 6 is arranged on the output shaft 5, a containing mechanism 7 is arranged on the shell 4, a maintenance tool 01 is uniformly contained in an outer ring of the containing mechanism 7, the containing mechanism 7 comprises a cylindrical sleeve 70 arranged on the shell 4, a first matching sleeve 71 and a second matching sleeve 72 are installed on the cylindrical sleeve 70, a sealing cover 14 is arranged between the first matching sleeve 71 and the second matching sleeve 72, an indexing component is arranged between the first matching sleeve 71 and the second matching sleeve 72, a containing groove 73 is formed in the containing groove 73, a clamping component 9 is arranged in the containing mechanism 7, and is far away from the end of the clamping component 10, and is fixedly connected with a clamping rope connection seat 11, and is fixedly connected with the clamping component 10, and is fixedly connected with the clamping component 11.

Specifically, the whole electric tool is connected with a space station or space suit through the connecting buckle 3 on the battery box 2, so that the electric tool is prevented from flying away from a astronaut. Through setting up receiving mechanism 7 on shell 4, the required repair tool 01 of maintenance is accomodate on shell 4, here repair tool 01 mainly includes the instrument such as screwdriver of various models, drill bit, through rotating the installation between the transposition subassembly in receiving mechanism 7 and the cylindrical sleeve 70 on shell 4, the astronaut can rotate receiving mechanism 7 as required when using, make the repair tool 01 of needs one side towards the astronaut, repair tool 01 passes through chucking installation between chucking subassembly 9 and the storage tank 73, can take out repair tool 01 from the storage tank 73 during the use, repair tool 01 passes through the cooperation between connecting axle 010 and the adapter sleeve 6 and be connected, thereby carry out the maintenance operation, owing to be provided with coupling assembling 10 on the repair tool 01, and rotate the installation between coupling assembling 10 and the repair tool 01, the other end of coupling assembling 10 passes through flexible rope 11 and the side fixed connection of receiving mechanism 7, the astronaut can avoid the fly off of repair tool 01 when carrying out repair tool 01 to change, simultaneously coupling assembling 10 and repair tool 01's rotation connection do not influence the repair tool 01.

Further, as shown in fig. 3 and 4, the indexing assembly includes a positioning ring 74 disposed on the outer ring of the cylindrical sleeve 70, a first connecting flange 75 is disposed on the first matching sleeve 71, a second connecting flange 76 is disposed on the second matching sleeve 72, the first connecting flange 75 and the second connecting flange 76 are connected by a fixing bolt 77, the first matching sleeve 71 and the second matching sleeve 72 are rotatably mounted between the first connecting flange 75 and the second connecting flange 76, the positioning ring 74 and the cylindrical sleeve 70, and the indexing assembly further includes a rotation angle limiting module.

Specifically, the first matching sleeve 71 and the second matching sleeve 72 are mounted in a limiting mode through the first connecting flange 75 and the second connecting flange 76 and the positioning ring 74, the first connecting flange 75 and the second connecting flange 76 are connected through the fixing bolt 77, the first matching sleeve 71 and the second matching sleeve 72 are integrated, the first matching sleeve 71 and the second matching sleeve 72 are rotated to form an integrated body, and the maintenance tool 01 stored in the first matching sleeve 71 and the second matching sleeve 72 can be subjected to indexing operation, so that a space man can conveniently rotate the required maintenance tool 01 to one side facing the space man, and the space man can take out, install and replace the space man.

Further, as shown in fig. 5, the rotation angle limiting module includes a telescopic cavity 760 disposed in the first connection flange 75, a plugging pin 8 is transversely mounted in the telescopic cavity 760, the plugging pins 8 are uniformly disposed on the first connection flange 75, four groups of plugging pins 8 are uniformly disposed, a mating cover 81 is disposed on one side of the plugging pins 8 located in the telescopic cavity 760, a first spring 82 is sleeved on one side of the plugging pins 8 located in the telescopic cavity 760, an anti-falling block 80 is disposed on one side of the plugging pins 8 away from the telescopic cavity 760, hemispherical protrusions 740 are uniformly disposed on one side of the positioning ring 74 facing the telescopic cavity 760, and the mating cover 81 is mutually matched with the hemispherical protrusions 740 under the action of the first spring 82.

Specifically, in order to ensure the relative position between the whole and the cylindrical sleeve 70 after the whole of the first mating sleeve 71 and the second mating sleeve 72 is indexed, by providing the telescopic cavity 760 in the first connecting flange 75, the plug pin 8 and the first spring 82 are installed, when the first mating sleeve 71 and the second mating sleeve 72 are rotated, the mating cover 81 compresses the first spring 82 under the action of the torque, the mating cover 81 and the hemispherical protrusion 740 are rotated in a staggered manner, and when the first mating sleeve 71 and the second mating sleeve 72 are stopped rotating, the whole of the first mating sleeve 71 and the second mating sleeve 72 is kept in the relative position under the action of the mating cover 81 and the hemispherical protrusion 740, so that free movement is avoided.

Further, as shown in fig. 6, the clamping assembly 9 includes an arc-shaped supporting block 90 disposed in the receiving groove 73, the arc-shaped supporting block 90 is connected with the bottom of the receiving groove 73 through a second spring 91, and rubber clamping blocks 92 are symmetrically disposed on two sides of the receiving groove 73.

The clamping assembly 9 further comprises clamping rollers 93 arranged on two sides of the storage groove 73, an installation shaft 94 is rotatably connected to the axis of the clamping rollers 93, two ends of the installation shaft 94 are connected with matching sliding blocks 97, sliding grooves 95 are formed in the inner sides of the first matching sleeve 71 and the second matching sleeve 72, the installation shaft 94 is slidably installed between the matching sliding blocks 97 and the sliding grooves 95, a third spring 96 is arranged in the sliding grooves 95, and the third spring 96 is arranged on one side, far away from the storage groove 73, of the sliding blocks.

Specifically, the maintenance tool 01 is placed in the storage groove 73 after being used, the maintenance tool 01 is clamped by the rubber clamping blocks 92 which are symmetrically arranged and the arc-shaped supporting blocks 90 which are installed by the second springs 91, further, the maintenance tool 01 is limited by the clamping rollers 93 which are symmetrically arranged, the clamping rollers 93 are slidably installed by the third springs 96 and the sliding blocks, the maintenance tool 01 is limited when the external force is not applied, and the maintenance tool 01 is prevented from accidentally falling off the storage groove 73.

Further, as shown in fig. 9, 10 and 11, the end of the maintenance tool 01 is provided with a limit ring 011, the limit rings 011 are provided with two, the connecting component 10 is arranged between the two limit rings 011, the connecting component 10 comprises a rotation module arranged between the two limit rings 011, a first arc clamping block 101 and a second arc clamping block 102 are sleeved on the rotation module, a connecting ring 104 is arranged on the second arc clamping block 102, the connecting ring 104 is connected with the telescopic rope 11, the first arc clamping block 101 is connected with the second arc clamping block 102 through a connecting bolt 103, and the first arc clamping block 101 and the second arc clamping block 102 are rotationally connected with the maintenance tool 01 through the rotation module.

The rotary module comprises a retainer 106 arranged between two limiting rings 011, wherein the retainer 106 is provided with two layers, steel balls 107 are arranged between the two layers of retainer 106 in a limiting manner, the two layers of retainer 106 are connected through connecting columns 108, the steel balls 107 are uniformly provided with two circles along the outer ring of the retainer 106, arc-shaped grooves 105 are formed in the inner sides of the first arc-shaped clamping blocks 101 and the second arc-shaped clamping blocks 102, and the first arc-shaped clamping blocks 101 and the second arc-shaped clamping blocks 102 are mutually matched with the steel balls 107 through the arc-shaped grooves 105.

Specifically, a retainer 106 is arranged between two limiting rings 011, steel balls 107 are mounted by using two layers of retainers 106, the steel balls 107 can rotate freely between the retainers 106, the first arc-shaped clamping blocks 101 and the second arc-shaped clamping blocks 102 are matched with the steel balls 107 through arc-shaped grooves 105 formed in the inner sides, the whole body formed by the first arc-shaped clamping blocks 101 and the second arc-shaped clamping blocks 102 can rotate along the arc-shaped grooves 105, and meanwhile, the whole body formed by the first arc-shaped clamping blocks 101 and the second arc-shaped clamping blocks 102 can be limited, so that axial movement between the whole body formed by the first arc-shaped clamping blocks 101 and the second arc-shaped clamping blocks 102 and the retainer 106 is prevented.

As shown in fig. 2, the indexing assembly further includes a torsion flange 13 uniformly disposed on the closure 14. The torsion flange 13 is arranged on the closing cover 14, so that an astronaut can apply moment on the indexing assembly through the torsion flange 13 to drive the indexing assembly to rotate.

The working principle of the embodiment of the invention is as follows:

as shown in fig. 1 to 11, when in use, the astronaut rotates the containing mechanism 7 according to the need, so that the needed maintenance tool 01 faces one side of the astronaut, the maintenance tool 01 is clamped and installed between the clamping assembly 9 and the containing groove 73, the maintenance tool 01 can be taken out from the containing groove 73 when in use, the maintenance tool 01 is connected with the connecting sleeve 6 through the matching between the connecting shaft 010 and the connecting sleeve 6, thereby maintenance work is performed, as the connection assembly 10 is arranged on the maintenance tool 01, and the connection assembly 10 is rotationally installed with the maintenance tool 01, the other end of the connection assembly 10 is fixedly connected with the side edge of the containing mechanism 7 through the telescopic rope 11, the astronaut can avoid the flying away of the maintenance tool 01 when the maintenance tool 01 is replaced, and meanwhile, the rotational connection of the connection assembly 10 and the maintenance tool 01 does not influence the maintenance work of the astronaut. The first matching sleeve 71 and the second matching sleeve 72 are mounted in a limiting mode through the first connecting flange 75 and the second connecting flange 76 and the positioning ring 74, the first connecting flange 75 and the second connecting flange 76 are connected through the fixing bolts 77, the first matching sleeve 71 and the second matching sleeve 72 are integrated, the first matching sleeve 71 and the second matching sleeve 72 are rotated to form an integrated body, and the maintenance tool 01 stored in the first matching sleeve 71 and the second matching sleeve 72 can be subjected to indexing operation, so that a space man can conveniently rotate the required maintenance tool 01 to one side facing the space man, and the space man can take out, install and replace the space man. In order to ensure the relative position between the whole and the cylindrical sleeve 70 after the whole formed by the first matching sleeve 71 and the second matching sleeve 72 is indexed, by arranging the telescopic cavity 760 in the first connecting flange 75, the inserting pin 8 and the first spring 82 are arranged, when the first matching sleeve 71 and the second matching sleeve 72 are rotated, the matching cover 81 compresses the first spring 82 under the action of torque, the matching cover 81 and the hemispherical protrusion 740 are dislocated to rotate, and when the first matching sleeve 71 and the second matching sleeve 72 are stopped rotating, the whole formed by the first matching sleeve 71 and the second matching sleeve 72 is kept in the relative position under the action of the matching cover 81 and the hemispherical protrusion 740, so that free movement is avoided. After the maintenance tool 01 is used, the maintenance tool 01 is placed into the storage groove 73, the maintenance tool 01 is clamped by the symmetrically arranged rubber clamping blocks 92 and the arc-shaped supporting blocks 90 installed by the second springs 91, further, the maintenance tool 01 is limited by the symmetrically arranged clamping rollers 93, the clamping rollers 93 are slidably installed through the third springs 96 and the sliding blocks, the maintenance tool 01 is limited when the external force is not applied, and the maintenance tool 01 is prevented from falling off and leaving the storage groove 73 accidentally. Set up the holder 106 between two retainer rings 011, utilize two-layer holder 106 installation steel ball 107, steel ball 107 can freely rotate between holder 106, first arc clamp splice 101 and second arc clamp splice 102 mutually support with steel ball 107 through the arc recess 105 that the inboard set up, the whole that first arc clamp splice 101 and second arc clamp splice 102 are constituteed can rotate along arc recess 105, can carry out the spacing to the whole that first arc clamp splice 101 and second arc clamp splice 102 are constituteed simultaneously, prevent axial float between the whole that first arc clamp splice 101 and second arc clamp splice 102 are constituteed and the holder 106.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an electric tool for space outside-the-track maintenance, includes handle (1), handle (1) are connected with battery case (2) and shell (4), be provided with connector link (3) on battery case (2), install maintenance motor in shell (4), maintenance motor is connected with output shaft (5), be provided with adapter sleeve (6) on output shaft (5), a serial communication port, be provided with receiving mechanism (7) on shell (4), the maintenance tool (01) have evenly been accomodate to the outer lane of receiving mechanism (7), receiving mechanism (7) are including setting up cylinder cover (70) on shell (4), install first cooperation cover (71) and second cooperation cover (72) on cylinder cover (70), be provided with closing cap (14) between first cooperation cover (71) and second cooperation cover (72), fixed connection between first cooperation cover (71) and second cooperation cover (72), first cooperation cover (71) and second cooperation cover (72) are provided with between transposition subassembly (73) and second cooperation cover (72), be provided with on cylinder cover (73) and the cooperation groove (73), the utility model discloses a maintenance tool, including maintenance tool (01), connecting assembly (10), connecting assembly (11), flexible rope (11) are connected with on (10), the one end that connecting assembly (10) was kept away from to flexible rope (11) is connected with fixed connection seat (12), side fixed mounting of fixed connection seat (12) and first cooperation cover (71), the tip of maintenance tool (01) is provided with connecting axle (010).

2. The electric tool for maintenance of a space outside a rail compartment according to claim 1, wherein the indexing assembly comprises a positioning ring (74) arranged on the outer ring of the cylinder sleeve (70), a first connecting flange (75) is arranged on the first matching sleeve (71), a second connecting flange (76) is arranged on the second matching sleeve (72), the first connecting flange (75) and the second connecting flange (76) are connected through a fixing bolt (77), and the first matching sleeve (71) and the second matching sleeve (72) are rotatably installed between the first connecting flange (75) and the second connecting flange (76), the positioning ring (74) and the cylinder sleeve (70), and the indexing assembly further comprises a rotation angle limiting module.

3. The electric tool for space outside-the-track maintenance according to claim 2, wherein the rotation angle limiting module comprises a telescopic cavity (760) arranged in the first connecting flange (75), a plug pin (8) is transversely arranged in the telescopic cavity (760), the plug pin (8) is uniformly arranged on the first connecting flange (75), a mating cover (81) is arranged on one side of the plug pin (8) positioned in the telescopic cavity (760), a first spring (82) is sleeved on one side of the plug pin (8) positioned in the telescopic cavity (760), an anti-falling block (80) is arranged on one side of the plug pin (8) away from the telescopic cavity (760), a hemispherical protrusion (740) is uniformly arranged on one side of the positioning ring (74) facing the telescopic cavity (760), and the mating cover (81) is mutually matched with the hemispherical protrusion (740) under the action of the first spring (82).

4. The electric tool for space outdoor maintenance according to claim 1, wherein the clamping assembly (9) comprises an arc-shaped supporting block (90) arranged in the accommodating groove (73), the arc-shaped supporting block (90) is connected with the bottom of the accommodating groove (73) through a second spring (91), and rubber clamping blocks (92) are symmetrically arranged on two sides of the accommodating groove (73).

5. The electric tool for space outside-the-track maintenance according to claim 4, wherein the clamping assembly (9) further comprises clamping rollers (93) arranged on two sides of the containing groove (73), an installation shaft (94) is rotatably connected to the axis of the clamping rollers (93), two ends of the installation shaft (94) are connected with matching sliding blocks (97), sliding grooves (95) are formed in the inner sides of the first matching sleeve (71) and the second matching sleeve (72), the installation shaft (94) is slidably mounted between the matching sliding blocks (97) and the sliding grooves (95), a third spring (96) is arranged in the sliding grooves (95), and the third spring (96) is arranged on one side, away from the containing groove (73), of the sliding blocks.

6. The electric tool for space outside-cabin maintenance according to claim 1, wherein a limit ring (011) is arranged at the end part of the maintenance tool (01), two limit rings (011) are arranged, a connecting component (10) is arranged between the two limit rings (011), the connecting component (10) comprises a rotary module arranged between the two limit rings (011), a first arc-shaped clamping block (101) and a second arc-shaped clamping block (102) are sleeved on the rotary module, the first arc-shaped clamping block (101) and the second arc-shaped clamping block (102) are connected through a connecting bolt (103), a connecting ring (104) is arranged on the second arc-shaped clamping block (102), the connecting ring (104) is connected with a telescopic rope (11), and the first arc-shaped clamping block (101) and the second arc-shaped clamping block (102) are rotationally connected with the maintenance tool (01) through the rotary module.

7. The electric tool for space outdoor maintenance according to claim 6, wherein the rotary module comprises a retainer (106) arranged between two limiting rings (011), the retainer (106) is provided with two layers, steel balls (107) are arranged between the two layers of retainers (106) in a limiting mode, the two layers of retainers (106) are connected through connecting columns (108), arc grooves (105) are formed in the inner sides of the first arc-shaped clamping blocks (101) and the second arc-shaped clamping blocks (102), and the first arc-shaped clamping blocks (101) and the second arc-shaped clamping blocks (102) are matched with the steel balls (107) through the arc grooves (105).

8. The electric tool for maintenance of space outside the cabin according to claim 7, wherein the steel balls (107) are uniformly arranged with two circles along the outer circle of the retainer (106).

9. A space off-board service power tool according to claim 3, characterized in that the plug pins (8) are uniformly provided with four sets.

10. A power tool for space off-rail maintenance according to claim 2, wherein the indexing assembly further comprises a torsion flange (13) uniformly provided on the closure cap (14).