CN113394051A - Safety protection device based on relay - Google Patents
Safety protection device based on relay Download PDFInfo
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- CN113394051A CN113394051A CN202110732959.4A CN202110732959A CN113394051A CN 113394051 A CN113394051 A CN 113394051A CN 202110732959 A CN202110732959 A CN 202110732959A CN 113394051 A CN113394051 A CN 113394051A
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- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/02—Bases; Casings; Covers
- H01H45/04—Mounting complete relay or separate parts of relay on a base or inside a case
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- Electromagnetism (AREA)
- Gas-Insulated Switchgears (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention provides a safety protection device based on a relay, which comprises: the mounting assemblies are arranged on two sides of the bottom plate respectively and used for erecting the bottom plate in a relay working area; the relay body is erected above the bottom plate; the mounting assembly is provided with a conductive circuit, the bottom plate is provided with a plurality of groups of relay bodies, and the conductive circuit is in conduction connection with the relay bodies. When the relay body works, one group of relay bodies is in a working state, the other group of relay bodies is in a standby state, and if the relay bodies in the working state break down, the other group of relay bodies is started by the controller, so that the relay bodies replacing the faults can continue to work, and the purpose of alternative work is achieved.
Description
Technical Field
The invention relates to the technical field of relay safety protection, in particular to a safety protection device based on a relay.
Background
A relay (english name: relay) is an electric control device, and is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. It has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop). Generally applied to automatic control circuits;
the relays used in the existing system are in a single group, and once a fault occurs, the system is stopped; thus, there is a lack of a system that reduces the occurrence of outages following system failures.
Disclosure of Invention
The invention provides a safety protection device based on a relay, which is used for improving the stability of system operation and reducing the condition that the system is shut down due to faults.
The invention provides a safety protection device based on a relay, which comprises: the mounting assemblies are arranged on two sides of the bottom plate respectively and used for erecting the bottom plate in a relay working area; the relay body is erected above the bottom plate;
the mounting assembly is provided with a conductive circuit, the bottom plate is provided with a plurality of groups of relay bodies, and the conductive circuit is in conduction connection with the relay bodies.
The relay comprises a relay body and a mounting lug, wherein the relay body is provided with a plurality of assembling holes, the assembling holes of the mounting lug are provided with conducting strips, the conducting strips are electrically connected with the relay body, the limiting rod is electrically connected with the conducting strips of the assembling holes, and the conducting limiting rod is electrically connected with the terminals through conducting wires.
Preferably, a plurality of angle plates are arranged on the mounting assembly at intervals, one surface of each angle plate is fixedly connected with the mounting assembly, and the other surface of each angle plate is used for erecting the mounting assembly on the working area of the relay.
Preferably, the mounting assembly is provided with a slide rail, the slide rail is provided with a first slide groove, the first slide groove is used for clamping the bottom plate and enabling the bottom plate to reciprocate on the slide rail, and the bottom plate is used for mounting or erecting a plurality of relay bodies.
Preferably, the relay body is provided with an installation lug, a plurality of first positioning holes are uniformly distributed on the base plate at intervals, and the first positioning holes are used for being matched with the assembling holes in the installation lug to be fixed on the base plate.
Preferably, the mounting assembly comprises: the lifting assembly is used for lifting or dropping the clamping assembly, the clamping assembly is a limiting rod, and the limiting rod is used for fixing the relay body on the bottom plate.
Preferably, the lifting assembly comprises: the adjusting plate is uniformly provided with a plurality of first adjusting holes at intervals, one surface of the adjusting plate is fixed on the fixing plate, and the other surface of the fixing plate is close to the vertical plate;
a slide rail is arranged on one side of the vertical plate, a second slide groove is arranged on the slide rail, and a plurality of terminals are arranged on the second slide groove at intervals;
one side of the adjusting plate, which is close to the slide rail, is also connected with a first mounting block through a square plate, one side of the first mounting block, which is close to the bottom plate, is provided with a pressing plate, and a limiting rod is arranged on the pressing plate;
a second induction head is arranged on one surface, close to the vertical plate, of the pressing plate, a first induction head is arranged on the slide rail through a third mounting block, and the first induction head and the second induction head are arranged in a matched mode;
a baffle plate is further arranged at one end, close to the bottom plate, of the adjusting plate, a plurality of guide columns are arranged on one surface, far away from the adjusting plate, of the baffle plate at intervals, and the guide columns are used for reciprocating in guide holes of the guide plates;
the vertical plate is also provided with a pneumatic shell, a pneumatic cavity is arranged in the pneumatic shell, the outer side of the pneumatic shell is provided with an air inlet and an air outlet at intervals, the air inlet and the air outlet are respectively provided with an air inlet valve and an air outlet valve in a one-to-one correspondence manner, and the air inlet valve and the air outlet valve are respectively connected with an air inlet end and an air outlet end of an air pump one by one;
a lifting block is connected to the lower part of the pneumatic shell through a pneumatic telescopic rod, a first connecting block is fixedly connected to the other end of the lifting block, a first rotating shaft is connected to the first connecting block, the first rotating shaft penetrates through and is rotatably arranged on a second connecting block, and one side of the second connecting block is fixed to a vertical plate;
the other end of the first rotating shaft is fixedly connected with a lifting rod group, and the lifting rod group is used for being matched with the first adjusting hole of the adjusting plate;
the lifting block and the first connecting block form an L structure, the first connecting block and the first rotating shaft form an L structure, and the first rotating shaft and the lifting rod group form an L structure;
and a balance pipeline is also arranged on the pneumatic shell.
Preferably, the lift lever group includes: the first rotating shaft is fixedly connected with the first connecting rod; the clamping hook is used for being matched with the first adjusting hole of the adjusting plate.
Preferably, the vertical plate is further provided with a support assembly, the support assembly comprises a reinforcing plate, one side of the reinforcing plate is connected with a transverse plate, the other side of the reinforcing plate is connected with a side plate, the side plate is fixed on the vertical plate, one side of the transverse plate is connected with one side of the side plate, and one side of the transverse plate, which is connected with the side plate, is provided with a movable notch;
the slide rail of the first sliding groove is erected above the supporting component and fixed above the transverse plate of the supporting component through screws.
Preferably, a first notch is further formed in the sliding rail of the first sliding groove, a second positioning hole is formed in the bottom plate, and the first notch is used for the limiting rod to penetrate through and to be matched with the second positioning hole.
The working principle and the beneficial effects of the invention are as follows:
the invention provides a safety protection device based on a relay, which comprises: the mounting assemblies are arranged on two sides of the bottom plate respectively and used for erecting the bottom plate in a relay working area; the relay body is erected above the bottom plate;
the mounting assembly is provided with a conductive circuit, the bottom plate is provided with a plurality of groups of relay bodies, and the conductive circuit is in conduction connection with the relay bodies.
The relay comprises a relay body and a mounting lug, wherein the relay body is provided with a plurality of assembling holes, the assembling holes of the mounting lug are provided with conducting strips, the conducting strips are electrically connected with the relay body, the limiting rod is electrically connected with the conducting strips of the assembling holes, and the conducting limiting rod is electrically connected with the terminals through conducting wires.
When the relay is used, at least two groups of relay bodies are arranged and are respectively erected on the bottom plate, the relay bodies are respectively provided with a pair of vertical plates in a one-to-one correspondence mode, and lifting or clamping is carried out according to the lifting assemblies and the clamping assemblies on the vertical plates;
when the relay body works normally, one group of relay bodies is in a working state, the other group of relay bodies is in a standby state, and if the relay body in the working state breaks down, the other group of relay bodies is started by the controller, so that the relay body replacing the fault can continue to work, and the aim of alternative work is fulfilled; the situation that the transformer substation can not normally work for a long time after a fault caused by the fact that one traditional relay body works is reduced.
In addition, in the use process, the two sets of relay bodies can be alternately operated in different time periods, so that the two relay bodies can alternately operate, the service life of the relay is prolonged, and the maintenance cost is reduced. Further improve the operating stability of transformer substation and the life of relay.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic view of the clamping assembly of the present invention;
FIG. 5 is a schematic perspective view of the clamping assembly of the present invention;
FIG. 6 is a schematic view of a lifting assembly according to the present invention;
FIG. 7 is a schematic view of the working structure of the lifting assembly and the clamping assembly of the present invention;
FIG. 8 is a schematic view of the mounting ears and mounting holes of the present invention;
wherein, 1-relay body, 2-mounting lug, 3-bottom plate, 4-clamping component, 5-lifting component, 6-vertical plate, 7-angle plate, 8-slide rail,
9-an air inlet valve, 10-a lifting block, 11-a first connecting block, 12-a first rotating shaft, 13-an adjusting plate, 14-a first mounting block, 15-a limiting rod, 16-a first notch, 17-a first sliding chute, 18-a first adjusting hole, 19-a lifting rod group, 20-a second connecting block, 21-a balance pipeline, 22-an air outlet valve, 23-a reinforcing plate, 24-a pneumatic shell, 25-a first positioning hole, 26-a side plate, 27-a movable notch, 28-a transverse plate, 29-a clamping hook, 30-a first connecting rod, 31-a second connecting rod, 32-a guide column, 33-a baffle plate, 34-a second sliding chute, 35-a third mounting block, 36-a first induction head, 37-a second induction head and 38-a second positioning hole, 39-pressing plate, 40-assembly hole, 41-terminal, 42-fixing plate and 43-guide plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to the embodiments of the present invention shown in fig. 1 to 8, a safety protection device based on a relay is provided, which is characterized by comprising: the relay comprises a bottom plate 3 and mounting assemblies, wherein the mounting assemblies are respectively arranged on two sides of the bottom plate 3 and are used for erecting the bottom plate 3 in a relay working area; the relay body 1 is erected above the bottom plate 3.
The mounting assembly is provided with a conductive circuit, the bottom plate is provided with a plurality of groups of relay bodies, and the conductive circuit is in conduction connection with the relay bodies.
The relay comprises a relay body and a mounting lug, wherein the relay body is provided with a plurality of assembling holes, the assembling holes of the mounting lug are provided with conducting strips, the conducting strips are electrically connected with the relay body, the limiting rod is electrically connected with the conducting strips of the assembling holes, and the conducting limiting rod is electrically connected with the terminals through conducting wires.
And a plurality of angle plates 7 are arranged on the mounting assembly at intervals, one surface of each angle plate 7 is fixedly connected with the mounting assembly, and the other surface of each angle plate 7 is used for erecting the mounting assembly on the working area of the relay.
Be provided with slide rail 8 on the installation component, be provided with first spout 17 on the slide rail 8, first spout 17 is used for blocking the bottom plate 3 and establishes, and be used for the bottom plate 3 is in reciprocating motion on the slide rail 8, be used for installing or erectting a plurality of relay body 1 on the bottom plate 3.
Be provided with installation ear 2 on the relay body 1, the interval equipartition has a plurality of first locating hole 25 on the bottom plate 3, first locating hole 25 be used for with the pilot hole 40 on the installation ear 2 is mutually supported fixes on the bottom plate 3.
When the relay is used, at least two groups of relay bodies are arranged and are respectively erected on the bottom plate, the relay bodies are respectively provided with a pair of vertical plates in a one-to-one correspondence mode, and lifting or clamping is carried out according to the lifting assemblies and the clamping assemblies on the vertical plates;
when the relay body works normally, one group of relay bodies is in a working state, the other group of relay bodies is in a standby state, and if the relay body in the working state breaks down, the other group of relay bodies is started by the controller, so that the relay body replacing the fault can continue to work, and the aim of alternative work is fulfilled; the situation that the transformer substation can not normally work for a long time after a fault caused by the fact that one traditional relay body works is reduced.
In addition, in the use process, the two sets of relay bodies can be alternately operated in different time periods, so that the two relay bodies can alternately operate, the service life of the relay is prolonged, and the maintenance cost is reduced. Further improve the operating stability of transformer substation and the life of relay.
Specifically, the controller detects the working states of the two sets of relay bodies through current signals, and when one set of the relay bodies cannot receive the detection current, the controller judges that the relay bodies are in a fault state; at this moment, start immediately lifting assembly on the installation component loosens the conducting strip of the relay body of trouble to the conducting strip that is used for the relay body of replacement is connected to the hoisting device on the installation component that corresponds the relay body of replacement, can realize the relay of replacement can be quick this moment and carry out the purpose of work, has reduced the condition of artifical maintenance and dismouting replacement, has improved the relay fault repair efficiency of transformer substation greatly.
In one embodiment, as shown in fig. 1-8, the mounting assembly comprises: the relay comprises a lifting assembly 5 and a vertical plate 6, wherein one surface of the vertical plate 6 is erected in a relay working area through an angle plate 7, the lifting assembly 5 is arranged on the other surface of the vertical plate 6, the lifting assembly 5 is used for lifting or dropping a clamping assembly 4, the clamping assembly 4 is a limiting rod 15, and the limiting rod 15 is used for fixing the relay body 1 on a bottom plate 3.
The lifting assembly 5 comprises: a plurality of first adjusting holes 18 are uniformly distributed on the adjusting plate 13 at intervals, one surface of the adjusting plate 13 is fixed on a fixing plate 42, and the other surface of the fixing plate 42 is close to the vertical plate 6;
a slide rail 8 is arranged on one side of the vertical plate 6, a second slide groove 34 is arranged on the slide rail 8, and a plurality of terminals 41 are arranged on the second slide groove 34 at intervals;
one side of the adjusting plate 13, which is close to the slide rail 8, is also connected with a first mounting block 14 through a square plate, one side of the first mounting block 14, which is close to the bottom plate 3, is provided with a pressing plate 39, and the pressing plate 39 is provided with a limiting rod 15;
a second induction head 37 is arranged on one surface, close to the vertical plate 6, of the pressing plate 39, a first induction head 36 is arranged on the slide rail 8 through a third mounting block 35, and the first induction head 36 and the second induction head 37 are arranged in a matched manner;
a baffle plate 33 is further arranged at one end of the adjusting plate 13 close to the bottom plate 3, a plurality of guide posts 32 are arranged at intervals on one surface of the baffle plate 33 far away from the adjusting plate 13, and the guide posts 32 are used for reciprocating in guide holes of the guide plate 43;
the vertical plate 6 is further provided with a pneumatic shell 24, a pneumatic cavity is arranged in the pneumatic shell 24, air inlets and air outlets are arranged at intervals on the outer side of the pneumatic shell, the air inlets and the air outlets are respectively provided with air inlet valves 9 and air outlet valves 22 in a one-to-one correspondence manner, and the air inlet valves 9 and the air outlet valves 22 are respectively connected with an air inlet end and an air outlet end of an air pump one by one;
the lower part of the pneumatic shell 24 is connected with a lifting block 10 through a pneumatic telescopic rod, the other end of the lifting block 10 is fixedly connected with a first connecting block 11, a first rotating shaft 12 is connected onto the first connecting block 11, the first rotating shaft 12 penetrates through and is rotatably arranged on a second connecting block 20, and one side of the second connecting block 20 is fixed on the vertical plate 6;
the other end of the first rotating shaft 12 is fixedly connected with a lifting rod group 19, and the lifting rod group 19 is used for being matched with the first adjusting hole 18 of the adjusting plate 13;
the lifting block 10 and the first connecting block 11 form an L structure, the first connecting block 11 and the first rotating shaft 12 form an L structure, and the first rotating shaft 12 and the lifting rod group 19 form an L structure; the pneumatic housing 24 is also provided with a balance duct 21.
The lift lever group 19 includes: a hook 29, a first link 30 and a second link 31, wherein one end of the first link 30 is connected with the hook 29, the other end of the first link 30 is connected with the second link 31, and the second link 31 is used for fixedly connecting the first rotating shaft 12; the hook 29 is adapted to cooperate with the first adjustment hole 18 of the adjustment plate 13.
The vertical plate 6 is further provided with a support assembly, the support assembly comprises a reinforcing plate 23, one side of the reinforcing plate 23 is connected with a transverse plate 28, the other side of the reinforcing plate 23 is connected with a side plate 26, the side plate 26 is fixed on the vertical plate 6, one side of the transverse plate 28 is connected with one side of the side plate 26, and one side of the transverse plate 28, which is connected with the side plate 26, is provided with a movable notch 27;
the slide rails 8 of the first slide grooves 17 are erected above the support assembly and fixed above the transverse plate 28 of the support assembly by screws. The slide rail 8 of the first slide groove 17 is further provided with a first notch 16, the bottom plate 3 is provided with a second positioning hole 38, and the first notch 16 is used for the limiting rod 15 to pass through and to be matched with the second positioning hole 38.
In this embodiment, when the fault relay body needs to be replaced, firstly, the air pump is started, the air pump inflates the air into the pneumatic shell through the air inlet valve, the pneumatic telescopic rod is pushed, the pneumatic telescopic rod pushes the lifting block to move, the lifting block drives the first connecting block to move, the first connecting block drives the first rotating shaft to move, the first rotating shaft swings on the second connecting block, the lifting rod group connected to the other end of the first rotating shaft swings, and the lifting rod group is further clamped in the first adjusting hole of the adjusting plate, so that the purpose of adjusting the height of the clamping assembly through the first adjusting hole of the adjusting plate is achieved; after the height of the clamping assembly is adjusted, the clamping assembly can be enabled, namely the limiting rod is separated from the assembly hole in the installation lug of the failed relay body, the limiting block is further separated from the conducting strip in the assembly hole, the purpose that the failed relay body is separated is achieved, and maintenance personnel can conveniently detach the failed relay body from the bottom plate and take the failed relay body away for maintenance.
Then, the controller starts a second group of relay bodies for replacement again, the air pump on the vertical plate corresponding to the second group of relay bodies is started, the lifting assembly is further utilized for working, the lifting assembly is utilized for falling, the lifting assembly drives the limiting rod to move downwards, when the limiting rod moves downwards, a second induction head connected to the limiting rod and a first induction head on the third mounting block are mutually induced, at the moment, the limiting rod is inserted into the mounting hole of the mounting lug and is electrically connected with the conducting strip in the mounting hole, and the purpose of electrically connecting the terminal and the conducting strip is further achieved; at the moment, the aim of continuously working the replaced relay body is fulfilled;
in addition, in the embodiment, the relay body on the base plate can be positioned in the first sliding groove to reciprocate when not working or not being clamped, so that the purpose that the mounting position of the relay body can be randomly selected according to requirements is achieved; the maintenance and replacement convenience of the relay body is effectively improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A safety protection device based on a relay, comprising: a bottom plate (3) and a mounting assembly,
mounting assemblies are respectively arranged on two sides of the bottom plate (3), and the mounting assemblies are used for erecting the bottom plate (3) in a relay working area; the relay body (1) is erected above the bottom plate (3);
the mounting component is provided with a conductive circuit, the bottom plate (3) is provided with a plurality of groups of relay bodies (1), and the conductive circuit is in conduction connection with the relay bodies (1).
2. A relay-based safety protection device according to claim 1, wherein a plurality of angle plates (7) are arranged at intervals on the mounting assembly, one surface of each angle plate (7) is used for fixedly connecting with the mounting assembly, and the other surface of each angle plate (7) is used for erecting the mounting assembly on the working area of the relay.
3. The safety protection device based on the relay as claimed in claim 1, wherein the mounting assembly is provided with a slide rail (8), the slide rail (8) is provided with a first slide groove (17), the first slide groove (17) is used for clamping the bottom plate (3) and enabling the bottom plate (3) to reciprocate on the slide rail (8), and the bottom plate (3) is used for mounting or erecting a plurality of relay bodies (1).
4. The relay-based safety protection device as claimed in claim 1, wherein the relay body (1) is provided with a mounting ear (2), the base plate (3) is provided with a plurality of first positioning holes (25) at intervals, and the first positioning holes (25) are used for being fixed on the base plate (3) in a way of being matched with the assembling holes (40) on the mounting ear (2).
5. The relay-based safety protection device of claim 1, wherein the mounting assembly comprises: the lifting device comprises a lifting assembly (5) and a vertical plate (6), wherein one surface of the vertical plate (6) is used for being erected in a relay working area through an angle plate (7), the lifting assembly (5) is arranged on the other surface of the vertical plate (6), the lifting assembly (5) is used for lifting or falling down a clamping assembly (4), the clamping assembly (4) is a limiting rod (15), and the limiting rod (15) is used for fixing the relay body (1) on a bottom plate (3).
6. A relay-based safety protection device according to claim 5, characterized in that the lifting assembly (5) comprises: the adjustable plate comprises an adjusting plate (13), wherein a plurality of first adjusting holes (18) are uniformly distributed on the adjusting plate (13) at intervals, one surface of the adjusting plate (13) is fixed on a fixing plate (42), and the other surface of the fixing plate (42) is close to the vertical plate (6);
a sliding rail (8) is arranged on one side of the vertical plate (6), a second sliding groove (34) is arranged on the sliding rail (8), and a plurality of terminals (41) are arranged on the second sliding groove (34) at intervals;
one side, close to the sliding rail (8), of the adjusting plate (13) is further connected with a first mounting block (14) through a square plate, a pressing plate (39) is arranged on one side, close to the bottom plate (3), of the first mounting block (14), and a limiting rod (15) is arranged on the pressing plate (39);
a second induction head (37) is arranged on one surface, close to the vertical plate (6), of the pressing plate (39), a first induction head (36) is arranged on the sliding rail (8) through a third mounting block (35), and the first induction head (36) and the second induction head (37) are arranged in a matched mode;
a baffle plate (33) is further arranged at one end, close to the bottom plate (3), of the adjusting plate (13), a plurality of guide columns (32) are arranged at intervals on one surface, far away from the adjusting plate (13), of the baffle plate (33), and the guide columns (32) are used for reciprocating in guide holes of the guide plate (43);
the vertical plate (6) is further provided with a pneumatic shell (24), a pneumatic cavity is arranged in the pneumatic shell (24), air inlets and air outlets are arranged on the outer side of the pneumatic shell at intervals, the air inlets and the air outlets are respectively provided with air inlet valves (9) and air outlet valves (22) in a one-to-one correspondence manner, and the air inlet valves (9) and the air outlet valves (22) are respectively connected with an air inlet end and an air outlet end of an air pump one by one;
the lifting block (10) is connected to the lower portion of the pneumatic shell (24) through a pneumatic telescopic rod, the other end of the lifting block (10) is fixedly connected with a first connecting block (11), a first rotating shaft (12) is connected to the first connecting block (11), the first rotating shaft (12) penetrates through and is rotatably arranged on a second connecting block (20), and one side of the second connecting block (20) is fixed to the vertical plate (6);
the other end of the first rotating shaft (12) is fixedly connected with a lifting rod group (19), and the lifting rod group (19) is used for being matched with a first adjusting hole (18) of the adjusting plate (13);
the lifting block (10) and the first connecting block (11) form an L structure, the first connecting block (11) and the first rotating shaft (12) form an L structure, and the first rotating shaft (12) and the lifting rod group (19) form an L structure;
the pneumatic shell (24) is also provided with a balance pipeline (21).
7. A relay-based safety arrangement according to claim 6, wherein the set of lifting bars (19) comprises: the device comprises a hook (29), a first connecting rod (30) and a second connecting rod (31), wherein one end of the first connecting rod (30) is connected with the hook (29), the other end of the first connecting rod (30) is connected with the second connecting rod (31), and the second connecting rod (31) is used for fixedly connecting the first rotating shaft (12); the hook (29) is used for being matched with the first adjusting hole (18) of the adjusting plate (13).
8. The relay-based safety protection device is characterized in that a support assembly is further arranged on the vertical plate (6), the support assembly comprises a reinforcing plate (23), one side of the reinforcing plate (23) is connected with a transverse plate (28), the other side of the reinforcing plate is connected with a side plate (26), the side plate (26) is fixed on the vertical plate (6), one side of the transverse plate (28) is connected with one side of the side plate (26), and a movable notch (27) is formed in the side where the transverse plate (28) is connected with the side plate (26);
the sliding rail (8) of the first sliding chute (17) is erected above the supporting component and is fixed above a transverse plate (28) of the supporting component through screws.
9. The relay-based safety protection device as claimed in claim 8, wherein the slide rail (8) of the first sliding chute (17) is further provided with a first notch (16), the bottom plate (3) is provided with a second positioning hole (38), and the first notch (16) is used for the limiting rod (15) to pass through and to be matched with the second positioning hole (38).
10. A relay-based safety protection device according to claim 9,
be provided with the conducting strip on pilot hole (40) of installation ear (2), the conducting strip with relay body (1) electric connection, gag lever post (15) with the conducting strip electric connection of pilot hole (40), electrically conductive gag lever post (15) still through the wire with terminal (41) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732959.4A CN113394051B (en) | 2021-06-29 | 2021-06-29 | Safety protection device based on relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732959.4A CN113394051B (en) | 2021-06-29 | 2021-06-29 | Safety protection device based on relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113394051A true CN113394051A (en) | 2021-09-14 |
| CN113394051B CN113394051B (en) | 2024-06-11 |
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| CN202110732959.4A Active CN113394051B (en) | 2021-06-29 | 2021-06-29 | Safety protection device based on relay |
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| CN112908779A (en) * | 2021-01-21 | 2021-06-04 | 商秀贺 | Time relay with connection composite structure |
| CN213401568U (en) * | 2020-08-27 | 2021-06-08 | 国家电网有限公司 | Overhead transmission line earth connection installation condition monitoring devices |
| CN213457196U (en) * | 2020-11-12 | 2021-06-15 | 国家电网有限公司 | Distribution network ground fault detection device |
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| CN210778405U (en) * | 2020-03-21 | 2020-06-16 | 南宁职业技术学院 | Vibration-proof relay |
| CN213401568U (en) * | 2020-08-27 | 2021-06-08 | 国家电网有限公司 | Overhead transmission line earth connection installation condition monitoring devices |
| CN213457196U (en) * | 2020-11-12 | 2021-06-15 | 国家电网有限公司 | Distribution network ground fault detection device |
| CN112670124A (en) * | 2020-12-09 | 2021-04-16 | 常州庆福机电有限公司 | Relay with protection function for engineering vehicle |
| CN112908779A (en) * | 2021-01-21 | 2021-06-04 | 商秀贺 | Time relay with connection composite structure |
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|---|---|
| CN113394051B (en) | 2024-06-11 |
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