CN215436449U

CN215436449U - Electric crank for switch

Info

Publication number: CN215436449U
Application number: CN202121941034.2U
Authority: CN
Inventors: 王新伟; 罗静
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-07
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a turnout electric crank, which comprises a hollow shell, wherein a motor is arranged in the shell, the output end of the motor is connected with one end of a transmission shaft, the other end of the transmission shaft penetrates through and extends out of the shell, a coaxial fixing ring is arranged on the part of the transmission shaft positioned in the shell, a counterweight ring is sleeved on the transmission shaft, the inner wall of the shell is connected with the outer peripheral side of the counterweight ring through a bearing, a transmission cone for transmission is arranged between the counterweight ring and the fixing ring, a tubular crank clamping head is arranged at one end of the transmission shaft positioned outside the shell, and a clamping groove is formed in the tubular crank clamping head; this electronic crank of switch, the drive power of motor and the potential energy drive goat work of piling up on the counter weight ring, the drive power that receives when having increased the point rail and being original, it is convenient to make the point rail overcome it and receive static friction and remove, and the switch of being convenient for is said, and has reduced maintainer's physical demands.

Description

Electric crank for switch

Technical Field

The utility model relates to the technical field of turnout equipment, in particular to an electric switch crank.

Background

The switch crank that uses on the railway at present comprises twist grip, rocking arm pole and crank head, and the tongue of manual conversion switch, the static friction of tongue need be overcome when the switch crank is initial to wave, and the dynamic friction resistance when maintainer manual operation point static friction is compared in the tongue removal is big, and conversion switch consumes maintainer's physical power, influences maintainer's follow-up maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects and provide an electric switch crank, the driving force of a motor and the potential energy accumulated on a counterweight ring drive a switch machine to work, the driving force initially received by a switch rail is increased, the switch rail overcomes the static friction force of the switch rail and is convenient to move, the switch rail is convenient to change, the physical consumption of maintainers is reduced, and the problems in the background art can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electronic crank of switch, includes inside hollow casing, the internally mounted of casing has the motor, the output of motor and the one end of transmission shaft are connected, the other end of transmission shaft runs through and extends to outside the casing, coaxial solid fixed ring is installed to the part that the transmission shaft is located the casing, the cover is equipped with the counterweight ring on the transmission shaft, connect through the bearing between shells inner wall and the counterweight ring periphery side, install driven transmission awl between counterweight ring and the solid fixed ring.

The transmission shaft is located the outer one end of casing and installs tubular crank dop, seted up the joint groove on the tubular crank dop.

As a preferable technical scheme of the utility model, the shell is provided with a screw rod which penetrates through the shell from inside to outside and is in threaded connection, one end of the screw rod positioned in the shell is coaxially and rotatably connected with the side surface of the transmission cone, and one end of the screw rod positioned outside the shell is fixedly provided with a handle.

As a preferred technical scheme, the tubular crank handle clamping head is slidably sleeved on the transmission shaft, one end of the tubular crank handle clamping head is closed, an elastic piece is arranged in the tubular crank handle clamping head, a clamping groove is formed in the open end of the tubular crank handle clamping head, and a clamping block matched with the clamping groove is fixed on the transmission shaft.

In a preferred embodiment of the present invention, an outer side of the housing is fixedly connected to one end of the elastic piece, and the other end of the elastic piece is attached to an outer peripheral side of the tubular crank chuck.

In a preferred embodiment of the present invention, a magnet is fixed to the elastic piece at a position facing the tubular crank chuck, and a rubber block is fixed to the magnet.

As a preferred technical scheme of the utility model, a battery is arranged in the shell, a support rod is arranged on the outer side of the shell, a cross rod is fixed on the support rod, a control switch is arranged on the cross rod, the input end of the control switch is electrically connected with the output end of the battery, and the output end of the control switch is electrically connected with the input end of the motor.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the turnout electric crank disclosed by the utility model, the driving force of the motor and the potential energy accumulated on the counterweight ring are used for driving the switch machine to work, so that the driving force initially borne by the point rail is increased, the point rail overcomes the static friction force to move conveniently, the turnout is convenient to change the way, and the physical consumption of maintainers is reduced.

2. According to the turnout electric crank exemplified by the utility model, the clamping groove of the tubular crank clamping head is inserted into the clamping hole of the turnout switch machine, the elastic piece supports the tubular crank clamping head to ensure that the clamping groove is not contacted with the clamping block, the motor drives the counterweight ring to rotate and then pushes the turnout electric crank to the clamping hole of the turnout switch machine, the clamping groove is clamped with the clamping block, the transmission shaft drives the turnout switch machine to work through the clamping block and the tubular crank clamping head, and the tubular crank clamping head is conveniently inserted into the clamping hole of the turnout switch machine.

3. According to the turnout electric crank disclosed by the utility model, the magnetic attraction between the magnet and the tubular crank chuck increases the friction between the rubber block and the tubular crank chuck, when the clamping groove and the clamping block are not clamped, the tubular crank chuck does not rotate relative to the shell when the transmission shaft is used, and the tubular crank chuck is conveniently inserted into the clamping hole of a turnout switch machine.

Drawings

FIG. 1 is a schematic view of a structure according to the present invention;

FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

In the figure: the device comprises a support rod 1, a control switch 2, a cross rod 3, a shell 4, an elastic sheet 5, a clamping groove 6, a crank clamping head 7 in a tubular shape, a clamping block 8, a bearing 9, a counterweight ring 10, a motor 11, a battery 12, an elastic element 13, a magnet 14, a rubber block 15, a screw 16, a transmission cone 17, a transmission shaft 18 and a fixing ring 19.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described below with reference to the accompanying drawings and examples.

The first embodiment is as follows: referring to fig. 1-4, the present embodiment discloses an electric switch crank, including a hollow housing 4, a motor 11 is installed inside the housing 4, an output end of the motor 11 is connected with one end of a transmission shaft 18 through a coupling, the other end of the transmission shaft 18 penetrates and extends outside the housing 4, a coaxial fixing ring 19 is fixedly installed on a portion of the transmission shaft 18 located inside the housing 4, a counterweight ring 10 is sleeved on the transmission shaft 18, a gap is provided between the counterweight ring 10 and the transmission shaft 18, the inner wall of the housing 4 and the outer peripheral side of the counterweight ring 10 are connected through a bearing 9, a transmission cone 17 is installed between the counterweight ring 10 and the fixing ring 19, and the fixing ring 19 drives the counterweight ring 10 to rotate through the transmission cone 17 when rotating.

The tubular crank dop 7 is installed to the one end that transmission shaft 18 is located the casing 4 outside, has seted up the joint groove on the tubular crank dop 7, and motor 11 drives tubular crank dop 7 through transmission shaft 18 and rotates.

The motor 11 is a speed regulating motor or a torque motor, and the rotation direction of the motor 11 is adjustable.

The working process and principle of the embodiment are as follows:

initially, the tubular crank chucks 7 are not inserted into the snap holes of the switch machine.

The motor 11 is communicated with an external power supply through a cable, the motor 11 is electrified to work to drive the transmission shaft 18 to rotate, the transmission shaft 18 drives the counterweight ring 10 to rotate through the fixing ring 19 and the transmission cone 17, the rotating speed of the counterweight ring 10 is continuously increased and potential energy is accumulated, the clamping groove of the tubular crank clamping head 7 is inserted into the clamping hole of the turnout switch machine and clamped, the driving force of the motor 11 and the potential energy accumulated on the counterweight ring 10 drive the switch machine to work, the driving force received when the switch rail is initial is increased, and the switch rail is enabled to overcome the movement of static friction force.

And the requirement on the power of the motor 11 is reduced, and the cost of the electric crank of the turnout is reduced.

Example two: as shown in fig. 2 and 4, the present embodiment discloses a switch electric crank, which has a structure substantially the same as that of the first embodiment, except that a screw 16 is installed on the housing 4 of the present embodiment, the screw 16 penetrates through the housing 4 from inside to outside and is connected to the side of a transmission cone 17, the end of the screw 16 located inside the housing 4 is coaxially and rotatably connected to the side of the transmission cone 17, and a handle is fixed to the end of the screw 16 located outside the housing 4.

The screw 16 is rotated through the handle, the screw 16 drives the transmission cone 17 to move, the transmission cone 17 is separated from the transmission of the counterweight ring 10 and the fixing ring 19, and the counterweight ring 10 is separated from the starting assistance.

The screw 16 is rotated reversely by the handle, the screw 16 drives the transmission cone 17 to move and transmit the counterweight ring 10 and the fixing ring 19, so that the counterweight ring 10 is started and assisted.

The adjustment of the operating state of the weight ring 10 is facilitated.

Example three: as shown in fig. 2 and 3, the present embodiment discloses an electric switch crank, which has a structure substantially the same as that of the first embodiment, except that a tubular crank chuck 7 of the present embodiment is slidably sleeved on a transmission shaft 18, the tubular crank chuck 7 can rotate on the transmission shaft 18, one end of the tubular crank chuck 7 is closed, an elastic member 13 is arranged in the tubular crank chuck 7, a clamping groove 6 is formed at an open end of the tubular crank chuck 7, and a clamping block 8 adapted to the clamping groove 6 is fixed on the transmission shaft 18.

The elastic member 13 is a spring, an elastic tube, or an elastic rod.

The working process and principle of the embodiment are as follows:

the clamping groove of the tubular crank dop 7 is inserted into a clamping hole of a turnout switch machine, the motor 11 is started, the elastic piece 13 supports the tubular crank dop 7 to enable the clamping groove 6 and the clamping block 8 not to be contacted, the motor 11 drives the transmission shaft 18 to rotate, the transmission shaft 18 drives the counterweight ring 10 to rotate through the fixing ring 19 and the transmission cone 17, then the electric turnout crank is pushed to the clamping hole of the turnout switch machine, the length of the superposition of the tubular crank dop 7 and the transmission shaft 18 is increased, the clamping groove 6 is clamped with the clamping block 8, the transmission shaft 18 drives the tubular switch machine to work through the clamping block 8 and the tubular crank dop 7, and the tubular crank dop 7 is conveniently inserted into the clamping hole of the turnout switch machine.

Example four: as shown in fig. 2 and 3, the present embodiment discloses a switch electric crank, which has substantially the same structure as the first embodiment, except that the outer side of the housing 4 of the present embodiment is fixedly connected to one end of the elastic piece 5, and the other end of the elastic piece 5 is attached to the outer peripheral side of the tubular crank chuck 7.

A magnet 14 is fixed at the position of the elastic piece 5 facing the tubular crank chuck 7, a rubber block 15 is fixed on the magnet 14, and the tubular crank chuck 7 is made of iron.

The working process and principle of the embodiment are as follows:

the magnetic attraction between the magnet 14 and the tubular crank dop 7 is increased, the friction between the rubber block 15 and the tubular crank dop 7 is increased, when the clamping groove 6 and the clamping block 8 are not clamped, the tubular crank dop 7 does not rotate relative to the shell 4 during the transmission shaft 18, and the tubular crank dop 7 can be conveniently inserted into a clamping hole of a turnout switch machine.

Example five: as shown in fig. 2, the present embodiment discloses a switch electric crank, which has a structure substantially the same as that of the first embodiment, except that a battery 12 is installed in a housing 4 of the present embodiment, a supporting rod 1 is installed on the outer side of the housing 4, a cross rod 3 is fixed on the supporting rod 1, a control switch 2 is installed on the cross rod 3, an input end of the control switch 2 is electrically connected with an output end of the battery 12, and an output end of the control switch 2 is electrically connected with an input end of a motor 11.

The battery 12 is a rechargeable lithium battery or a lead-acid battery, the control switch 2, the motor 11, the battery 12 and the like used in the present invention are common electronic components in the prior art, and the working mode and the circuit structure thereof are well known technologies and will not be described herein.

The cross rod 3 and the support rod 1 increase the torque length of the turnout electric crank, and the convenience maintainers hold the turnout electric crank and control the positive and negative rotation of the motor 11 through the control switch 2.

The parts which are not disclosed in the utility model are all the prior art, and the specific structure, the materials and the working principle are not detailed; the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, the embodiments of the present invention are not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, simplifications, which do not depart from the principle of the present invention, should be equivalent substitutions for those of ordinary skill in the art, which should be covered by the scope of the claims and the specification of the present invention.

Claims

1. The utility model provides an electronic crank of switch which characterized in that: the motor is characterized by comprising a hollow shell (4), wherein a motor (11) is arranged inside the shell (4), the output end of the motor (11) is connected with one end of a transmission shaft (18), the other end of the transmission shaft (18) penetrates through and extends out of the shell (4), a coaxial fixing ring (19) is arranged on the part, located in the shell (4), of the transmission shaft (18), a counterweight ring (10) is sleeved on the transmission shaft (18), the inner wall of the shell (4) is connected with the outer peripheral side of the counterweight ring (10) through a bearing (9), and a transmission cone (17) is arranged between the counterweight ring (10) and the fixing ring (19);

the tubular crank clamping head (7) is installed at one end, located outside the shell (4), of the transmission shaft (18), and a clamping groove is formed in the tubular crank clamping head (7).

2. The switch electric crank of claim 1, characterized in that: the screw rod (16) which is internally and externally penetrated and is in threaded connection is installed on the shell (4), one end of the screw rod (16) in the shell (4) is connected with the side surface of the transmission cone (17) in a coaxial rotating mode, and a handle is fixed at one end of the screw rod (16) outside the shell (4).

3. The switch electric crank of claim 1, characterized in that: the tubular crank clamping head (7) is slidably sleeved on the transmission shaft (18), one end of the tubular crank clamping head (7) is sealed, an elastic part (13) is arranged in the tubular crank clamping head (7), a clamping groove (6) is formed in the open end of the tubular crank clamping head (7), and a clamping block (8) matched with the clamping groove (6) is fixed on the transmission shaft (18).

4. The switch electric crank of claim 1, characterized in that: the outer side of the shell (4) is fixedly connected with one end of the elastic sheet (5), and the other end of the elastic sheet (5) is attached to the outer peripheral side of the tubular crank chuck (7).

5. The switch electric crank of claim 4, characterized in that: the elastic piece (5) is fixed with a magnet (14) towards the position of the tubular crank chuck (7), and a rubber block (15) is fixed on the magnet (14).

6. The switch electric crank of claim 1, characterized in that: install battery (12) in casing (4), branch (1) are installed in casing (4) outside, be fixed with horizontal pole (3) on branch (1), install control switch (2) on horizontal pole (3), the input of control switch (2) and the output electricity of battery (12) are connected, the output of control switch (2) and the input electricity of motor (11) are connected.