CN211628930U

CN211628930U - Mechanical lock for high-voltage electrical switch cabinet

Info

Publication number: CN211628930U
Application number: CN201922444453.4U
Authority: CN
Inventors: 王殿源; 杨程淼
Original assignee: Zhongkong Yida Tianjin Electric Equipment Technology Co ltd
Current assignee: Zhongkong Yida Tianjin Electric Equipment Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-02
Anticipated expiration: 2029-12-27

Abstract

The utility model belongs to the technical field of mechanical locks, in particular to a mechanical lock of a high-voltage electrical switch cabinet, which comprises a lock shell, wherein a first bearing is fixedly connected on the inner wall of the lock shell; the utility model discloses, through setting up the lock core, first pivot, first conical gear, second pivot and second conical gear, when using the key to operate the lock core, rotatable second pivot, the second pivot drives second conical gear and rotates, second conical gear drives first conical gear and rotates, first conical gear makes first pivot rotate, first pivot drives the screw thread section of thick bamboo and stretches out, make the locking lever stretch out and cup joint with shutting cover activity, high durability and convenient use is simple, do not need to punch the equipment axle, and the key can cooperate with different equipment and form reliable anti-misoperation program, through setting up solid fixed cylinder, a spring, steel ball and card hole, when making the locking lever stretch out and shutting the cover and cup joint, under the spring action of spring, make the steel ball can carry out the joint to the card hole, conveniently block and prevent the maloperation.

Description

Mechanical lock for high-voltage electrical switch cabinet

Technical Field

The utility model belongs to the technical field of the mechanical shutting, concretely relates to high-tension electrical switchgear's mechanical shutting.

Background

The high-voltage switch cabinet is used for electric appliance products with the voltage grade of 3.6-550 kV in power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system, the high-voltage switch cabinet is an electric appliance product, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and segmenting device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like, the requirement for the misoperation prevention of the isolating switch and the grounding switch is mandatory, the electrical misoperation prevention often has unreliable faults, mechanical linkage locking can not be realized due to too far distance between the switches, an ancient lock cylinder deflection program lock has no misoperation due to displacement failure of the lock cylinder and the fact that the lock cylinder can not have misoperation at all times, the misoperation prevention measures directly lock operating shafts of the isolating switch and the grounding switch and are matched with the locking of different switches to form reliable program operation, and the simplest and, The reliable method, the operating shaft of the disconnecting switch and the grounding switch completes the locking operation through punching, and once the punching is performed, the strength of the operating shaft is influenced, and in addition, the operating torque of the operating shaft of the disconnecting switch and the grounding switch is larger.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a mechanical shutting of high-tension electrical switchgear has the anti-misoperation characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the mechanical lock of the high-voltage electrical switch cabinet comprises a lock shell, wherein a first bearing is fixedly connected to the inner wall of the lock shell, a first rotating shaft penetrates through the first bearing, a first conical gear is sleeved on the surface of the first rotating shaft, a threaded column is fixedly connected to the other end of the first rotating shaft, a threaded cylinder is in threaded connection with the surface of the threaded column, a lock rod is fixedly connected to the other end of the threaded cylinder, a fixed block is fixedly connected to the inner wall of the lock shell through a bolt, a cavity is formed in the fixed block, first sliding grooves are formed in the fixed block, the number of the first sliding grooves is two, the two first sliding grooves are respectively communicated with the cavity, first sliding blocks are fixedly connected to the side surfaces of the lock rod, the number of the first sliding blocks is two, the two first sliding blocks are respectively and movably connected into the two first sliding grooves, and a fixed cylinder is fixedly connected to the inner wall of the, the inner wall of the fixed cylinder is provided with two second sliding grooves, the two second sliding grooves are movably connected with second sliding blocks, opposite surfaces of the two second sliding blocks are fixedly connected with a movable plate, the side surface of the movable plate is fixedly connected with a spring, the other end of the spring is fixedly connected with a lock shell, the other side surface of the movable plate is fixedly connected with a steel ball, the surface of the lock rod is provided with a clamping hole, the steel ball is clamped in the clamping hole, the surface of the lock shell is fixedly connected with a shell, the inner wall of the shell is fixedly connected with a lock cylinder, the lock cylinder is fixedly connected with a second rotating shaft, the surface of the lock shell is provided with a round hole, a second bearing is fixedly connected in the round hole, the second rotating shaft penetrates through a second bearing, and the other end of the second rotating shaft is fixedly connected with a second bevel gear, the first bevel gear and the second bevel gear are meshed.

Preferably, the other end of the lock rod is movably sleeved with a locking sleeve, and the side surface of the locking sleeve is fixedly connected with an equipment shaft.

Preferably, the back of the lock shell is fixedly connected with a connecting plate, fixing holes are formed in the surface of the connecting plate, and the number of the fixing holes is four.

Preferably, the surface of the shell is provided with a round hole, and the position of the round hole corresponds to the position of the lock cylinder.

Preferably, the same baffle is fixedly connected to the opposite surface of the inner wall of the lock shell, through holes are formed in the surface of the baffle and the side face of the lock shell, and the lock rod penetrates through the cavity and the two through holes.

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

the utility model discloses, through setting up the lock core, first pivot, first conical gear, second pivot and second conical gear, when using the key to operate the lock core, rotatable second pivot, the second pivot drives second conical gear and rotates, second conical gear drives first conical gear and rotates, first conical gear makes first pivot rotate, first pivot drives the screw thread section of thick bamboo and stretches out, make the locking lever stretch out and cup joint with the activity of shutting cover, high durability and convenient use is simple, and easy to operate, do not need to punch the equipment axle, and the key can cooperate with different equipment and form reliable anti-misoperation program, through setting up solid fixed cylinder, a spring, steel ball and card hole, make the locking lever stretch out and cup joint with shutting cover, under the spring action of spring, make the steel ball can carry out the joint to the card hole, convenient shutting prevents the maloperation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a top view section of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged schematic structural view of the position A of the present invention;

fig. 4 is a schematic structural view of a section of the middle fixing block of the present invention;

in the figure: 1. a lock case; 2. a first bearing; 3. a first rotating shaft; 4. a first bevel gear; 5. a threaded post; 6. a threaded barrel; 7. a fixed block; 8. a first chute; 9. a first slider; 10. a lock lever; 11. a housing; 12. a lock cylinder; 13. a second rotating shaft; 14. a second bearing; 15. a baffle plate; 16. a through hole; 17. a fixed cylinder; 18. a second chute; 19. a second slider; 20. a movable plate; 21. a spring; 22. steel balls; 23. a clamping hole; 24. a locking sleeve; 25. an equipment shaft; 26. a fixing hole; 27. a second bevel gear; 28. a cavity.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the mechanical lock of the high-voltage electrical switch cabinet comprises a lock shell 1, wherein a first bearing 2 is fixedly connected to the inner wall of the lock shell 1, a first rotating shaft 3 penetrates through the first bearing 2, a first bevel gear 4 is sleeved on the surface of the first rotating shaft 3, a threaded column 5 is fixedly connected to the other end of the first rotating shaft 3, a threaded cylinder 6 is in threaded connection with the surface of the threaded column 5, a lock rod 10 is fixedly connected to the other end of the threaded cylinder 6, a fixed block 7 is fixedly connected to the inner wall of the lock shell 1 through a bolt, a cavity 28 is formed in the fixed block 7, first sliding grooves 8 are formed in the fixed block 7, the number of the first sliding grooves 8 is two, the two first sliding grooves 8 are respectively communicated with the cavity 28, first sliding blocks 9 are fixedly connected to the side surfaces of the lock rod 10, the number of the first sliding blocks 9 is two, the two first sliding blocks 9 are respectively and movably connected into the two first sliding grooves 8, the inner wall of the lock case 1 is fixedly connected with a fixed cylinder 17, the inner wall of the fixed cylinder 17 is provided with two second sliding grooves 18, the number of the second sliding grooves 18 is two, the two second sliding grooves 18 are movably connected with a second slider 19, opposite surfaces of the two second sliders 19 are fixedly connected with a same movable plate 20, the side surface of the movable plate 20 is fixedly connected with a spring 21, the other end of the spring 21 is fixedly connected with the lock case 1, the other side surface of the movable plate 20 is fixedly connected with a steel ball 22, the surface of the lock rod 10 is provided with a clamping hole 23, the steel ball 22 is clamped in the clamping hole 23, the surface of the lock case 1 is fixedly connected with a case 11, the inner wall of the case 11 is fixedly connected with a lock cylinder 12, the lock cylinder 12 is fixedly connected with a second rotating shaft 13, the surface of the lock case 1 is provided with a round hole, and a second bearing 14, the second shaft 13 is arranged in the second bearing 14 in a penetrating manner, the other end of the second shaft 13 is fixedly connected with a second bevel gear 27, the first bevel gear 4 is meshed with the second bevel gear 27, the lock cylinder 12 is operated by a key through the arrangement of the lock cylinder 12, the first shaft 3, the first bevel gear 4, the second shaft 13 and the second bevel gear 27, the second shaft 13 can rotate, the second shaft 13 drives the second bevel gear 27 to rotate, the second bevel gear 27 drives the first bevel gear 4 to rotate, the first shaft 3 is rotated by the first bevel gear 4, the first shaft 3 drives the threaded cylinder 6 to extend, the lock rod 10 extends out to be movably sleeved with the locking sleeve 24, the use is convenient and simple, the operation is easy, the device shaft 25 does not need to be punched, the key can be matched with different devices to form a reliable anti-misoperation program, and the lock rod can be prevented from being arranged by the fixing cylinder 17, Spring 21, steel ball 22 and card hole 23, when making locking lever 10 stretch out and shutting cover 24 and cup joint, under spring 21's elastic force effect, make steel ball 22 can carry out the joint to calorie hole 23, conveniently block and prevent the maloperation, through setting up first spout 8 and first slider 9, play spacing effect to locking lever 10, make threaded cylinder 6 can stretch out, promote locking lever 10 and stretch out, accomplish the shutting.

Specifically, the other end of the lock rod 10 is movably sleeved with a locking sleeve 24, and the side surface of the locking sleeve 24 is fixedly connected with an equipment shaft 25.

Specifically, the back fixedly connected with connecting plate of lock shell 1, and the fixed orifices 26 have been seted up on the surface of connecting plate, the quantity of fixed orifices 26 is four, through setting up fixed orifices 26, conveniently carries out fixed mounting, convenience more to lock shell 1.

Specifically, a circular hole is formed in the surface of the housing 11, and the position of the circular hole corresponds to the position of the lock cylinder 12.

Specifically, fixedly connected with is same baffle 15 on the opposite face of the inner wall of lock shell 1, through-hole 16 has all been seted up on the surface of baffle 15 and the side of lock shell 1, locking lever 10 passes cavity 28 and two through-holes 16, through setting up through-hole 16, plays spacing effect to locking lever 10.

The utility model discloses a theory of operation and use flow: the utility model discloses, when using, accessible fixed orifices 26 carries out fixed mounting with the tool to lock, the installation is accomplished the back, insert lock core 12 with the key, then rotate the key, rotatable second pivot 13, second pivot 13 drives second bevel gear 27 and rotates, second bevel gear 27 drives first bevel gear 4 and rotates, first bevel gear 4 makes first pivot 3 rotate, first pivot 3 drives a screw section of thick bamboo 6 and stretches out, make locking lever 10 stretch out and lock cover 24 activity cup joint, under spring 21's spring action, make steel ball 22 can carry out the joint to calorie hole 23, accomplish the shutting, then take out the key can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Mechanical locking of high-voltage electrical switchgear, including lock shell (1), its characterized in that: the lock comprises a lock shell (1), and is characterized in that a first bearing (2) is fixedly connected to the inner wall of the lock shell (1), a first rotating shaft (3) is arranged in the first bearing (2) in a penetrating manner, a first bevel gear (4) is sleeved on the surface of the first rotating shaft (3), a threaded column (5) is fixedly connected to the other end of the first rotating shaft (3), a threaded cylinder (6) is connected to the surface of the threaded column (5) in a threaded manner, a lock rod (10) is fixedly connected to the other end of the threaded cylinder (6), a fixed block (7) is fixedly connected to the inner wall of the lock shell (1) through a bolt, a cavity (28) is formed in the fixed block (7), a first sliding groove (8) is formed in the fixed block (7), the number of the first sliding grooves (8) is two, the first sliding grooves (8) are respectively communicated with the cavity (28), and a first sliding block (9), the number of the first sliding blocks (9) is two, the two first sliding blocks (9) are respectively movably connected in the two first sliding grooves (8), the inner wall of the lock shell (1) is fixedly connected with a fixed cylinder (17), the inner wall of the fixed cylinder (17) is provided with a second sliding groove (18), the number of the second sliding grooves (18) is two, the two second sliding grooves (18) are respectively and movably connected with a second sliding block (19), opposite surfaces of the two second sliding blocks (19) are fixedly connected with a same movable plate (20), the side surface of the movable plate (20) is fixedly connected with a spring (21), the other end of the spring (21) is fixedly connected on the lock shell (1), the other side surface of the movable plate (20) is fixedly connected with a steel ball (22), the surface of the lock rod (10) is provided with a clamping hole (23), and the steel ball (22) is clamped in the clamping hole (23), the surface fixedly connected with casing (11) of lock shell (1), fixedly connected with lock core (12) on the inner wall of casing (11), fixedly connected with second pivot (13) are gone up in lock core (12), the round hole has been seted up on the surface of lock shell (1), and fixedly connected with second bearing (14) in the round hole, second pivot (13) are worn to establish in second bearing (14), the other end fixedly connected with second conical gear (27) of second pivot (13), first conical gear (4) and second conical gear (27) mesh mutually.

2. The mechanical latch for high voltage electrical switchgear of claim 1, wherein: the other end of the lock rod (10) is movably sleeved with a locking sleeve (24), and the side surface of the locking sleeve (24) is fixedly connected with an equipment shaft (25).

3. The mechanical latch for high voltage electrical switchgear of claim 1, wherein: the back fixedly connected with connecting plate of lock shell (1), and fixed orifices (26) have been seted up on the surface of connecting plate, the quantity of fixed orifices (26) is four.

4. The mechanical latch for high voltage electrical switchgear of claim 1, wherein: the surface of the shell (11) is provided with a round hole, and the position of the round hole corresponds to the position of the lock cylinder (12).

5. The mechanical latch for high voltage electrical switchgear of claim 1, wherein: fixedly connected with same baffle (15) on the opposite face of the inner wall of lock shell (1), through-hole (16) have all been seted up on the surface of baffle (15) and the side of lock shell (1), locking lever (10) pass cavity (28) and two through-holes (16).