CN211507539U

CN211507539U - Outdoor boundary switch

Info

Publication number: CN211507539U
Application number: CN202020438383.1U
Authority: CN
Inventors: 何茂阁; 秦飞
Original assignee: Nanjing Dingzhu Electric Power Equipment Engineering Co ltd
Current assignee: Nanjing Dingzhu Electric Power Equipment Engineering Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-09-15
Anticipated expiration: 2030-03-30

Abstract

The utility model relates to an outdoor boundary switch, which comprises a shell arranged on a telegraph pole, wherein the shell is arranged on the telegraph pole through a support frame, one side of the shell, which is close to the support frame, is provided with a positioning rod, the positioning rod is symmetrically and slidably connected with two positioning blocks along the two sides of the length direction, the positioning rod is symmetrically and respectively provided with two sliding grooves along the two sides of the length direction, and two sliding grooves are respectively and slidably connected with an L-shaped sliding block; two groups of tooth sockets with opposite tooth tips are symmetrically arranged on one side of the positioning rod, which is far away from the shell, along the length direction, a limiting groove is arranged on one side of the positioning block, which is close to the positioning rod, a limiting block matched with the tooth sockets is connected in the limiting groove in a sliding manner, and a first spring is arranged between the limiting block and the groove bottom of the limiting groove; two L-shaped plates with opposite inner walls are symmetrically arranged on one opposite side of the two positioning blocks. The utility model discloses a L shaped plate presss from both sides tight fixedly to the casing, and the operator of being convenient for fixes a position boundary switch convenient and fast to the operator installation boundary switch has improved work efficiency.

Description

Outdoor boundary switch

Technical Field

The utility model belongs to the technical field of power switching equipment technique and specifically relates to an outdoor boundary switch is related to.

Background

Chinese patent No. CN201681779U discloses a boundary switch, which comprises a housing, wherein three arc-extinguishing chambers, an isolation mechanism, a tripping mechanism, a current transformer for sampling current, a voltage transformer for serving as a control circuit power supply, and a zero-sequence transformer are arranged in the housing; the left side end of the shell is provided with three wire inlet columns, and the right side end of the shell is provided with three wire outlet columns; the isolation mechanism comprises an isolation rotating shaft and three isolation knives which are fixedly arranged opposite to the isolation rotating shaft and are insulated from each other; the tripping mechanism comprises a main shaft and three moving contacts which are insulated with each other, and each moving contact is driven by the main shaft to do reciprocating motion in the arc extinguish chamber so as to realize the electric connection or disconnection between the moving contact and the wire outlet column; the isolation knife is electrically connected with an inlet wire joint of the zero sequence transformer, and the moving contact is electrically connected with an outlet wire joint of the zero sequence transformer.

The above prior art solutions have the following drawbacks: the general demarcation switch is used in outdoor high altitude, and fixed mounting is on the wire pole for the very inconvenient location of operator when the installation, thereby the operator of being inconvenient for installs the demarcation switch.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide an outdoor boundary switch, its advantage: the shell is clamped and fixed through the L-shaped plate, so that an operator can position the boundary switch quickly and conveniently, the operator can install the boundary switch conveniently, and the working efficiency is improved.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an outdoor boundary switch comprises a shell arranged on a telegraph pole, wherein the shell is arranged on the telegraph pole through a support frame, one side, close to the support frame, of the shell is provided with a positioning rod, two positioning blocks are symmetrically and slidably connected to two sides of the positioning rod along the length direction, two sliding grooves are symmetrically and slidably formed in two sides of the positioning rod along the length direction, an L-shaped sliding block is slidably connected to each of the two sliding grooves, the two L-shaped sliding blocks form a group, and the two L-shaped sliding blocks in the same group are connected to one positioning block; two groups of tooth sockets with opposite tooth tips are symmetrically arranged on one side of the positioning rod, which is far away from the shell, along the length direction, a limiting groove is arranged on one side of the positioning block, which is close to the positioning rod, a limiting block matched with the tooth sockets is connected in the limiting groove in a sliding manner, and a first spring is arranged between the limiting block and the groove bottom of the limiting groove; two L-shaped plates with opposite inner walls are symmetrically arranged on one opposite side of the two positioning blocks.

By adopting the technical scheme, when the shell is placed on the support frame, an operator simultaneously pushes the two positioning blocks to approach the support frame, the L-shaped sliding block slides along the length direction of the sliding groove, the sliding groove limits the moving direction of the L-shaped sliding block, so that the positioning blocks linearly slide, the limiting blocks slide along the length direction of the rack, when the limiting blocks are abutted against the tooth tips of the tooth grooves, the tooth tips generate oblique thrust to the limiting blocks, the limiting blocks compress the first spring, when the L-shaped plate is attached to the support frame, the first spring pushes the limiting blocks to be clamped into the tooth grooves under the action of elastic restoring force, the tooth grooves limit the limiting blocks to limit the positioning blocks to reversely slide, so that the L-shaped plate is abutted against the support frame, and therefore, the L-shaped plate plays a role in clamping and fixing the shell, and is convenient for the operator to quickly and conveniently position the boundary switch, so that an operator can conveniently install the boundary switch, and the working efficiency is improved.

The present invention may be further configured in a preferred embodiment as: and one end of the limiting block, which is far away from the tooth socket, is provided with a pull rod extending out of the positioning block.

Through adopting above-mentioned technical scheme, the operator stimulates the pull rod, and the pull rod drives the stopper and slides to the tank bottom of spacing groove, and the stopper breaks away from the tooth's socket this moment for the operator can carry out the reverse slip to the locating piece, thereby the pull rod is convenient for the operator and stimulates the stopper, and then the operator of being convenient for carries out the reverse adjustment to the locating piece fast convenient.

The present invention may be further configured in a preferred embodiment as: the L-shaped plate is in threaded connection with a tightening rod on one side of the support frame, which is far away from the positioning rod, and one end of the tightening rod, which is close to the support frame, is rotatably connected with a tightening plate.

Through adopting above-mentioned technical scheme, when the L shaped plate supports tightly on the support frame, the operator rotates and supports the pole and be close to the support frame, supports tightly on the support frame until supporting tight board for the locating lever supports tightly on the support frame, thereby supports tight pole and has played the effect of fastening to the boundary switch, and then is convenient for the operator quick convenient fix the boundary switch, in order to reduce the gliding possibility of appearing in the boundary switch.

The present invention may be further configured in a preferred embodiment as: one side of the support frame, which is far away from the positioning rod, is provided with a plurality of bulges along the length direction, and the abutting plate is provided with a groove matched with the bulges.

Through adopting above-mentioned technical scheme, when supporting tight board and supporting on the support frame tightly, the arch is embedded into the recess, and the arch is spacing to supporting tight board, and the cooperation of arch and recess has increased the frictional force who supports between tight board and the support frame this moment to arch and recess are further fixed the boundary switch, and then reduce the gliding possibility of boundary switch appearance.

The present invention may be further configured in a preferred embodiment as: one side that the casing is close to the support frame is equipped with two connecting plates along length direction symmetry, two wear to be equipped with a pivot simultaneously on the connecting plate, it is connected with the live-rollers to rotate in the pivot.

Through adopting above-mentioned technical scheme, the operator is when the installation boundary switch, earlier with live-rollers and support frame contact, the operator promotes the casing this moment, the casing is at the in-process that removes, produce the friction between support frame and the live-rollers, live-rollers self produces the rotation, the live-rollers converts the sliding friction of casing and support frame into rolling friction, thereby the live-rollers has reduced the frictional force between casing and the support frame, and then the quick convenient removal boundary switch of the operator of being convenient for, in order to save the labour.

The present invention may be further configured in a preferred embodiment as: waist shape hole has been seted up along vertical direction to the connecting plate, pivot sliding connection is in waist shape hole, waist shape hole is equipped with the second spring in the one side that the support frame was kept away from in the pivot.

Through adopting above-mentioned technical scheme, the live-rollers produces vibrations easily when rolling on the support frame, when the live-rollers produced vibrations, the live-rollers drove the pivot and slides along the vertical direction in waist shape hole, the second spring has elastic restoring force by compression this moment, and the second spring is under the effect of elastic restoring force, the energy-absorbing is cushioned to the pivot to the second spring, and slow release energy, thereby the second spring has played the cushioning effect to the live-rollers, and then reduce the condition emergence that the boundary switch caused the inner structure to damage because of vibrations.

The present invention may be further configured in a preferred embodiment as: the rotating roller is sleeved with a rubber pad along the length direction.

Through adopting above-mentioned technical scheme, the rubber pad is made by the rubber material, and rubber self is softer and have elasticity, and when the live-rollers produced vibrations, the rubber pad had absorbing effect to the backing roll to the rubber pad further plays absorbing effect to boundary switch, and then reduces the impaired condition of boundary switch because of shaking and takes place.

The present invention may be further configured in a preferred embodiment as: the waist-shaped hole is internally provided with a guide column which penetrates through the rotating shaft.

Through adopting above-mentioned technical scheme, the pivot is when sliding along waist shape hole vertical direction, and the guide post has restricted the moving direction of pivot to the guide post has played the effect of direction to the pivot, and then stability when increasing the live-rollers rotation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the shell is clamped and fixed through the L-shaped plate, so that an operator can conveniently and quickly position the boundary switch, the operator can conveniently install the boundary switch, and the working efficiency is improved;

2. the friction force between the shell and the support frame is reduced through the rotating roller, so that an operator can conveniently and quickly move the demarcation switch, and labor force is saved;

3. carry out the shock attenuation to the live-rollers through the second spring, can reduce the condition emergence that boundary switch caused inner structure to damage because of vibrations.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural diagram for embodying the rotating shaft in the present embodiment.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram for embodying the positioning block in the present embodiment.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

In the figure, 1, a telegraph pole; 11. a support frame; 13. a housing; 2. positioning a rod; 21. positioning blocks; 22. a chute; 23. an L-shaped slider; 24. a tooth socket; 25. a limiting groove; 26. a limiting block; 27. a first spring; 28. a pull rod; 3. an L-shaped plate; 31. a tightening rod; 32. a propping plate; 33. a protrusion; 34. a groove; 4. a connecting plate; 41. a rotating shaft; 42. a rotating roller; 43. a waist-shaped hole; 44. a second spring; 45. a rubber pad; 46. and a guide post.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses an outdoor boundary switch, include and connect casing 13 on wire pole 1 through support frame 11, casing 13 is close to one side of support frame 11 and is equipped with two connecting plates 4 along length direction's both ends symmetry, a plurality of waist shape hole 43 has all been seted up along length direction to two connecting plates 4, and waist shape hole 43 sets up along the vertical direction of connecting plate 4, a plurality of waist shape hole 43 one-to-one on two connecting plates 4, wear to be equipped with a pivot 41 in two corresponding waist shape holes 43, pivot 41 rotates between two connecting plates 4 and is connected with live-rollers 42. The slotted hole 43 is provided with a guide column 46 penetrating through the rotating shaft 41 in the vertical direction, and the guide column 46 is sleeved with a second spring 44 at one side close to the shell 13.

Referring to fig. 2 and 3, when the demarcation switch is installed, an operator lifts the demarcation switch by a crane. When the demarcation switch is placed on the support bracket 11, the housing 13 compresses the second spring 44 under the influence of the demarcation switch's own weight, so that the second spring 44 is in a partially compressed state. At this moment, the operator pushes the boundary switch to slide along the length direction of the support frame 11, the rotating roller 42 rotates, the rotating roller 42 converts the sliding friction between the shell 13 and the support frame 11 into rolling friction, and therefore the rotating roller 42 reduces the friction force between the shell 13 and the support frame 11, and further the operator can move the boundary switch quickly and conveniently, and labor force of the operator can be saved.

Referring to fig. 2 and 3, when the rotating roller 42 rolls on the supporting frame 11, the rotating roller 42 is prone to generate vibration, and at this time, the rotating roller 42 drives the rotating shaft 41 to slide along the vertical direction of the guide post 46, and the guide post 46 guides the rotating shaft 41, so as to increase the stability when the rotating roller 42 moves. Meanwhile, the rotating shaft 41 compresses the second spring 44, the compressed second spring 44 has elastic restoring force, and under the action of the elastic restoring force, the second spring 44 absorbs energy to the rotating shaft 41 in a buffering mode and releases energy slowly, so that the second spring 44 absorbs shock to the rotating shaft 41, the second spring 44 plays a shock-absorbing role in the boundary switch, and the situation that the internal structure of the boundary switch is damaged due to shock is reduced.

Referring to fig. 2 and 3, the rotating roller 42 is sleeved with a rubber pad 45 along the length direction, the rubber pad 45 is made of a rubber material, the rubber has elasticity, and when the rotating roller 42 vibrates, the rubber pad 45 can further absorb the vibration of the rotating roller 42, so that the damage of an internal structure of the boundary switch caused by the vibration is reduced.

Referring to fig. 4 and 5, casing 13 is equipped with two locating levers 2 at connecting plate 4 along length direction's both ends symmetry, locating lever 2 fixed connection is on casing 13, two spouts 22 have been seted up along length direction's both sides equal symmetry to locating lever 2, equal sliding connection has a pole L shape slider 23 in two spouts 22, and two L shape sliders 23 are a set of, L shape slider 23 has two sets ofly along the length direction symmetrical sliding of locating lever 2, two L shape sliders 23 of same group deviate from locating piece 21 of one side fixedly connected with of casing 13 at locating lever 2. One side that locating lever 2 deviates from casing 13 is equipped with two sets of tooth's socket 24 that the prong is relative along the length direction symmetry, and locating piece 21 has seted up spacing groove 25 towards one side of locating lever 2, be equipped with in the spacing groove 25 with tooth's socket 24 matched with stopper 26 and first spring 27, stopper 26 sliding connection in spacing groove 25, the both ends of first spring 27 respectively with stopper 26 and spacing groove 25's tank bottom butt. Two equal fixedly connected with L shaped plate 3 in the relative one side of locating piece 21, the inside wall of two L shaped plates 3 sets up relatively.

Referring to fig. 4 and 5, after the operator moves the boundary switch to a proper position, the operator simultaneously pushes the two positioning blocks 21 to approach the support frame 11, when the positioning blocks 21 move, the limiting block 26 moves together with the positioning blocks 21, at this time, the tooth grooves 24 generate an oblique thrust to the limiting block 26, so that the limiting block 26 moves to the groove bottom of the limiting groove 25, the limiting block 26 compresses the first spring 27, and the first spring 27 is compressed to have an elastic restoring force. When L shaped plate 3 contradicts with support frame 11, first spring 27 is under the effect of elastic recovery power, and first spring 27 promotes stopper 26 card and goes into tooth's socket 24, and tooth's socket 24 has restricted stopper 26's moving direction to tooth's socket 24 and stopper 26 have restricted locating piece 21 reverse slip, make support of L shaped plate 3 tightly on support frame 11, and then be convenient for the operator fix a position boundary switch fast convenient, so that the operator installs boundary switch, has improved work efficiency.

Referring to fig. 4 and 5, the limiting block 26 is at one side fixedly connected with pull rod 28 of keeping away from tooth's socket 24, and the one end that limiting block 26 was kept away from to pull rod 28 extends locating piece 21, and operator pulling pull rod 28, pull rod 28 drive limiting block 26 and are close to the tank bottom of spacing groove 25 for limiting block 26 breaks away from in tooth's socket 24, and the operator can slide locating piece 21 this moment, thereby pull rod 28 is convenient for the operator to pull limiting block 26, and then the operator of being convenient for adjusts locating piece 21.

Referring to fig. 2 and 3, one side threaded connection that L shaped plate 3 deviates from locating lever 2 at support frame 11 has a tight pole 31 of support, it is connected with and supports tight board 32 to support tight pole 31 to rotate in the one end that is close to support frame 11, the operator rotates and supports tight pole 31 and is close to support frame 11, until supporting tight board 32 and support tightly on support frame 11, L shaped plate 3 drives locating lever 2 and pushes down this moment, live-rollers 42 rises, make locating lever 2 support tightly on support frame 11, thereby support tight pole 31 and played fixed effect to boundary switch, and then it appears gliding possibility to reduce boundary switch.

Referring to fig. 2 and 3, one side of the supporting frame 11 departing from the positioning rod 2 is provided with a plurality of protrusions 33 along the length direction, a groove 34 matched with the protrusions 33 is formed in the abutting plate 32, when the abutting plate 32 abuts against the supporting frame 11, the protrusions 33 are matched with the groove 34, the protrusions 33 limit the moving direction of the abutting plate 32, the protrusions 33 and the grooves 34 increase the friction force of the contact surface of the abutting plate 32 and the supporting frame 11, the protrusions 33 and the grooves 34 further fix the boundary switch, and therefore the possibility that the boundary switch slides is reduced, and potential safety hazards are reduced.

The implementation principle of the embodiment is as follows: the operator hangs the boundary switch through the loop wheel machine and places the support frame 11 on, make live-rollers 42 contradict on support frame 11, the operator promotes the boundary switch and is close to wire pole 1 after, second spring 44 carries out the shock attenuation to the boundary switch this moment, the operator removes suitable position with the boundary switch after, then the operator promotes two L shaped plates 3 simultaneously and is close to support frame 11, stopper 26 slides along the length direction of same group tooth's socket 24, when L shaped plate 3 supports tightly on support frame 11, first spring 27 promotes stopper 26 and imbeds in tooth's socket 24, the operator rotates and supports tight pole 31 at last, make and support tight plate 32 and support tightly on support frame 11, accomplish the fixed of boundary switch.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An outdoor boundary switch, includes casing (13) that sets up on wire pole (1), casing (13) pass through support frame (11) and set up on wire pole (1), its characterized in that: one side, close to the support frame (11), of the shell (13) is provided with a positioning rod (2), two positioning blocks (21) are symmetrically and slidably connected to two sides of the positioning rod (2) along the length direction, two sliding grooves (22) are symmetrically formed in two sides of the positioning rod (2) along the length direction, an L-shaped sliding block (23) is slidably connected to each of the two sliding grooves (22), the two L-shaped sliding blocks (23) form a group, and the two L-shaped sliding blocks (23) in the same group are connected to one positioning block (21);

two groups of tooth sockets (24) with opposite tooth tips are symmetrically formed in one side, away from the shell (13), of the positioning rod (2) along the length direction, a limiting groove (25) is formed in one side, close to the positioning rod (2), of the positioning block (21), a limiting block (26) matched with the tooth sockets (24) is connected in the limiting groove (25) in a sliding mode, and a first spring (27) is arranged between the limiting block (26) and the bottom of the limiting groove (25);

two L-shaped plates (3) with opposite inner walls are symmetrically arranged on one opposite side of the two positioning blocks (21).

2. An outdoor demarcation switch according to claim 1, wherein: one end of the limiting block (26) far away from the tooth groove (24) is provided with a pull rod (28) extending out of the positioning block (21).

3. An outdoor demarcation switch according to claim 1, wherein: the L-shaped plate (3) is connected with a tightening rod (31) through threads on one side of the support frame (11) departing from the positioning rod (2), and one end, close to the support frame (11), of the tightening rod (31) is rotatably connected with a tightening plate (32).

4. An outdoor demarcation switch according to claim 3, wherein: one side of the support frame (11) departing from the positioning rod (2) is provided with a plurality of protrusions (33) along the length direction, and the abutting plate (32) is provided with grooves (34) matched with the protrusions (33).

5. An outdoor demarcation switch according to claim 1, wherein: one side that casing (13) are close to support frame (11) is equipped with two connecting plates (4), two along the length direction symmetry wear to be equipped with a pivot (41) simultaneously on connecting plate (4), it is connected with live-rollers (42) to rotate on pivot (41).

6. An outdoor demarcation switch according to claim 5, wherein: waist shape hole (43) have been seted up along vertical direction in connecting plate (4), pivot (41) sliding connection is in waist shape hole (43), one side that support frame (11) were kept away from in pivot (41) in waist shape hole (43) is equipped with second spring (44).

7. An outdoor demarcation switch according to claim 6, wherein: the rotating roller (42) is sleeved with a rubber pad (45) along the length direction.

8. An outdoor demarcation switch according to claim 6, wherein: a guide column (46) penetrating through the rotating shaft (41) is arranged in the waist-shaped hole (43).