CN111668661B

CN111668661B - Electric protector with excellent shock resistance

Info

Publication number: CN111668661B
Application number: CN202010549244.0A
Authority: CN
Inventors: 朱荣华
Original assignee: Anhui Hekai Electrical Technology Co ltd
Current assignee: ANHUI HEKAI ELECTRICAL TECHNOLOGY CO.,LTD.
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-12-03
Anticipated expiration: 2040-06-16
Also published as: CN111668661A

Abstract

The invention discloses an electric protector with excellent shock resistance, which comprises a clamping mechanism and a connecting mechanism, wherein the clamping mechanism is arranged in a slot, a connector is inserted into the slot and fixed with a connector lug, and a pressure rod is pressed to move towards the lower end in the downward movement process of the connector, so that the pressure rod pulls an L-shaped plate to move towards the middle part of the slot through a swinging rod, and a clamping block clamps and fixes the connector, thereby achieving the advantage of auxiliary fixation of the connector; through having set up clamping mechanism in the coupling mechanism upper end, after entering into first clamp plate and second clamp plate inboard with the wire grafting, the elastic potential energy that resumes deformation through second reset spring drives first clamp plate and the inboard first sheetmetal of second clamp plate and second sheetmetal and carries out firm centre gripping to the wire, has changed originally and has carried out the mode of fixing to the wire through the bolt, makes fixed convenient and fast.

Description

Electric protector with excellent shock resistance

Technical Field

The invention relates to the related field of electric protectors, in particular to an electric protector with excellent shock resistance.

Background

The electric protector is used for comprehensive protection control of the motor, and alarming or protection control is carried out on aging of a winding when the motor has overcurrent, undercurrent, phase failure, locked rotor, short circuit, overvoltage, undervoltage, electric leakage, three-phase imbalance, overheating, grounding, bearing abrasion, stator and rotor eccentricity.

Present electric protector is when using, often need connect connecting wire and wire, but when connecting wire and wire are connected, receive the impulsive force back when electric protector, can make the connecting wire become flexible and drop to the wire is when fixed, often need use the bolt to fix it, use wastes time and energy, the electric protector that current shock resistance is good is difficult for assisting fixedly to the connecting wire connector, and difficult quick fixing to the wire, lead to the connector not hard up with the wire is fixed wastes time and energy.

Disclosure of Invention

Accordingly, in order to solve the above-described disadvantages, the present invention provides an electromotive protector excellent in vibration resistance.

The invention is realized in such a way, an electric protector with excellent shock resistance is constructed, the device comprises a bottom plate, an electric protector body, a slot, a buffer spring, a connector lug, a clamping mechanism and a connecting mechanism, the top of the bottom plate is provided with the electric protector body, the left side of the front end of the electric protector body is provided with a switch, indicator lamps are equidistantly distributed on the right lower side of the front end of the electric protector body, the upper right side of the front end of the electric protector body is provided with an adjusting button, the clamping mechanism is fixedly arranged at the lower end inside the slot, the connecting mechanism is fixedly connected with the rear end of the electric protector body, the clamping mechanism comprises a pressure rod, a pressure spring, a swinging rod, an L-shaped plate, a clamping block, a telescopic rod and a first reset spring, the pressure rod is embedded inside the slot in a clearance fit manner, and is elastically connected with the left lower end inside the slot through the pressure spring, one end of the swing rod is rotatably connected with the left lower end of the pressing rod through a hinge shaft, the other end of the swing rod is movably nested at the right lower end of the L-shaped plate, the L-shaped plate is fixedly connected with the left end of the clamping block, one end of the telescopic rod is fixed with the left end of the L-shaped plate, the other end of the telescopic rod extends to the left end inside the slot and is fixedly connected with the left end of the slot, and the upper end of the telescopic rod is sleeved with a first reset spring.

Preferably, the electric protector body has slots in the rear end of the top, the electric protector body is distributed with the bottom plate top at equal intervals through a buffer spring, and connector lugs are arranged in the slots.

Preferably, coupling mechanism includes binding post shell, wiring groove, fixed head, slewing mechanism, link mechanism and clamping mechanism, binding post shell and electric protector body rear end bolted connection, binding post shell front end downside equidistance distributes and has the wiring groove, binding post shell and fixed an organic whole in fixed head bottom, inside the binding post shell is fixed in the link mechanism installation, the slewing mechanism output rotates with link mechanism to be connected, link mechanism is fixed mutually with the clamping mechanism upper end.

Preferably, the rotating mechanism comprises a knob, a rotating rod and a torsion spring, the rotating rod is embedded into the inner side of the right end of the fixing head and is rotatably connected with the inner side of the right end of the fixing head, the knob is fixed to the top of the rotating rod, and the torsion spring is sleeved at the lower end of the rotating rod.

Preferably, link mechanism includes carousel, first movable rod, slider, second movable rod, slide, second reset spring and location axle, the carousel rotates with the bull stick left end to be connected, hinge pin and the right lower extreme normal running fit of carousel are passed through to first movable rod one end to the first movable rod other end extends to slider front end upside and rotates and connect, the second movable rod passes through hinge pin and slider front end lower extreme normal running fit, the slider slides along the slide is inboard, and the slider passes through second reset spring and the inside upper end elastic connection of slide, the activity of second movable rod lower extreme nestification has the location axle.

Preferably, clamping mechanism includes second sheetmetal, fixing base, first clamp plate, first sheetmetal and second clamp plate, the activity nestification of fixing base upper end has the location axle, fixing base and first clamp plate upper end fixed connection, first clamp plate lower extreme is fixed with first sheetmetal, first clamp plate is pegged graft mutually with second clamp plate upper end, second sheetmetal and second clamp plate upper end fixed connection.

Preferably, the first pressing plate and the second pressing plate have the same structure, and are symmetrically distributed.

Preferably, the clamping mechanisms are arranged in six, and the clamping mechanisms are distributed at equal intervals along the lower end of the positioning shaft.

Preferably, the sliding seat is U-shaped in cross section, and the inner side wall of the sliding seat is smooth.

Preferably, the first movable rod is eccentrically connected with the turntable, and the first movable rod and the second movable rod are both in a flat and long shape.

Preferably, the second return spring is made of alloy steel, and elastic potential energy is excellent.

Preferably, the first pressing plate and the second pressing plate are made of phenolic resin, and the insulating property is excellent.

The invention has the following advantages: the invention provides an electric protector with excellent shock resistance through improvement, compared with the same type of equipment, the electric protector has the following improvements:

the method has the advantages that: according to the electric protector with excellent shock resistance, the clamping mechanism is arranged in the slot, the connector is inserted into the slot and fixed with the connector lug, the pressing rod is pressed to move towards the lower end in the downward moving process of the connector, the pressing rod pulls the L-shaped plate to move towards the middle of the slot through the swinging rod, and therefore the clamping block clamps and fixes the connector, and the advantage that the connector can be fixed in an auxiliary mode is achieved.

The method has the advantages that: according to the electric protector with excellent shock resistance, the connecting rod mechanism is arranged at the upper end of the connecting mechanism, the knob is rotated, the knob drives the rotary table to rotate through the rotary rod, and therefore the second movable rod drives the first pressing plate to move towards the upper end through the positioning shaft, and the advantage that the clamping mechanism can be quickly driven to be linked is achieved.

The method has the advantages that: according to the electric protector with excellent shock resistance, the rotating mechanism is arranged at the upper end of the connecting mechanism, when the rotating force at the upper end of the knob is removed, the torsion spring can drive the rotating rod to rotate reversely through the elastic potential energy for restoring the deformation, so that the rotating disc is restored to the original position, the first pressing plate is reset, and the advantage that the first pressing plate can be quickly reset is achieved.

The advantages are that: according to the electric protector with excellent shock resistance, the clamping mechanism is arranged at the upper end of the connecting mechanism, after the lead is inserted into the inner sides of the first pressing plate and the second pressing plate, the elastic potential energy recovered by the deformation of the second reset spring drives the first metal sheet and the second metal sheet on the inner sides of the first pressing plate and the second pressing plate to stably clamp the lead, the original mode of fixing the lead through bolts is changed, and the fixing is convenient and rapid.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the front view of the electric protector of the present invention;

FIG. 3 is a schematic cross-sectional view of the electro-dynamic protector of the present invention;

FIG. 4 is a schematic cross-sectional view of a clamping mechanism of the present invention;

FIG. 5 is a schematic side view of a portion of the clamping mechanism of the present invention;

FIG. 6 is an enlarged view of the L-shaped plate A of the present invention;

FIG. 7 is a side view of the coupling mechanism of the present invention;

FIG. 8 is a schematic cross-sectional view of the coupling mechanism of the present invention;

FIG. 9 is a schematic side view of the turning mechanism of the present invention;

FIG. 10 is a side view schematic of the linkage mechanism of the present invention;

fig. 11 is a schematic cross-sectional view of the clamping mechanism of the present invention.

Wherein: a bottom plate-1, an electric protector body-2, a switch-3, an indicator light-4, an adjusting button-5, a slot-6, a clamping mechanism-7, a connecting mechanism-8, a buffer spring-9, a connector lug-10, a pressure lever-71, a pressure spring-72, a swinging rod-73, an L-shaped plate-74, a clamping block-75, a telescopic rod-76, a first reset spring-77, a connector terminal housing-81, a connector lug-82, a fixed head-83, a rotating mechanism-84, a link mechanism-85, a clamping mechanism-86, a knob-841, a rotating rod-842, a torsion spring-843, a rotating disk-851, a first movable rod-852, a sliding block-853, a second movable rod-854, a sliding seat-855, a sliding seat-72, a sliding seat-80, a sliding seat-6, a sliding seat-7, a connecting rod-82, a sliding seat-83, a sliding seat, a, A second reset spring-856, a positioning shaft-857, a second metal sheet-861, a fixed seat-862, a first pressing plate-863, a first metal sheet-864, a second pressing plate-865 and a bump-751.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 11, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, 2 and 3, the present invention provides an electric protector with excellent shock resistance by improving, which comprises a base plate 1, an electric protector body 2, a slot 6, buffer spring 9, connector lug 10, fixture 7 and

coupling mechanism

8, 1 top of bottom plate is provided with

electric protector body

2, 2 front end left sides of electric protector body are provided with

switch

3, 2 front end right side downside equidistance distributions of electric protector body have pilot lamp 4, adjusting button 5 is installed to 2 front end upper right sides of electric protector body, 6 inside lower extremes of slot are fixed in the installation of fixture 7,

coupling mechanism

8 and 2 rear end fixed connection of electric protector body, 2 top rear end equidistance distributions of electric protector body have slot 6, electric protector body 2 distributes through

buffer spring

9 and 1 top equidistance of bottom plate, the inside connector lug 10 that is provided with of slot 6.

Referring to fig. 4, 5 and 6, the present invention provides an electric protector with excellent shock resistance by improving, wherein the clamping mechanism 7 includes a pressing rod 71, a pressure spring 72, a swinging rod 73, an L-shaped plate 74, a clamping block 75, a telescopic rod 76 and a first return spring 77, the pressing rod 71 is embedded inside the slot 6 in a clearance fit manner, the pressing rod 71 is elastically connected with the left lower end inside the slot 6 through the pressure spring 72, one end of the swinging rod 73 is rotatably connected with the left lower end of the pressing rod 71 through a hinge axis, the other end of the swinging rod 73 is movably nested at the right lower end of the L-shaped plate 74, the L-shaped plate 74 is fixedly connected with the left end of the clamping block 75, one end of the telescopic rod 76 is fixed with the left end of the L-shaped plate 74, and the other end of the telescopic rod 76 extends to the left end inside the slot 6 to be fixedly connected, and the upper end of the telescopic rod 76 is sleeved with a first reset spring 77, so that the telescopic rod 76 is favorably reset.

Referring to fig. 7 and 8, the present invention provides an electric protector with excellent shock resistance by improvement, wherein the connecting mechanism 8 includes a terminal housing 81, a wiring slot 82, a fixing head 83, a rotating mechanism 84, a link mechanism 85 and a clamping mechanism 86, the terminal housing 81 is bolted with the rear end of the electric protector body 2, the wiring slots 82 are equidistantly distributed on the lower side of the front end of the terminal housing 81 to facilitate the insertion of a wire, the terminal housing 81 and the bottom of the fixing head 83 are fixed into a whole, the link mechanism 85 is installed and fixed inside the terminal housing 81, the output end of the rotating mechanism 84 is rotatably connected with the link mechanism 85, and the link mechanism 85 is fixed with the upper end of the clamping mechanism 86.

Referring to fig. 9, the present invention provides an electric protector with excellent shock resistance by improving the structure, wherein the rotating mechanism 84 includes a knob 841, a rotating rod 842 and a torsion spring 843, the rotating rod 842 is embedded in the inner side of the right end of the fixed head 83, the rotating rod 842 is rotatably connected with the inner side of the right end of the fixed head 83, the knob 841 is fixed to the top of the rotating rod 842, and the torsion spring 843 is sleeved at the lower end of the rotating rod 842 to facilitate the restoring action of the rotating rod 842.

Referring to fig. 10, the present invention provides an electric protector with excellent shock resistance by improving, wherein the link mechanism 85 includes a rotating plate 851, a first movable rod 852, a sliding block 853, a second movable rod 854, a sliding seat 855, a second return spring 856 and a positioning shaft 857, the rotating plate 851 is rotatably connected to a left end of the rotating rod 842, one end of the first movable rod 852 is rotatably fitted to a right lower end of the rotating plate 851 through a hinge shaft, the other end of the first movable rod 852 extends to an upper side of a front end of the sliding block 853 and is rotatably connected to the upper side, the second movable rod 854 is rotatably fitted to a lower end of the front end of the sliding block 853 through a hinge shaft, the sliding block 853 slides along an inner side of the sliding seat 855, the sliding block 853 is elastically connected to an inner upper end of the sliding seat 855 through the second return spring 856, the positioning shaft 857 is movably nested at a lower end of the second movable rod 854, the cross-section of the sliding seat 855 is in a "U" shape ", an inner side wall of the sliding seat 855 is smooth, the first movable rod 852 is eccentrically connected to the rotating plate 851, and first movable rod 852 and second movable rod 854 all are flat rectangular form, do benefit to and play electronic location axle 857 and carry out the effect of removing, and second reset spring 856 is alloy steel material, and elastic potential energy is good.

Referring to fig. 11, the present invention provides an electric protector with excellent shock resistance by improvement, wherein the clamping mechanism 86 includes a second metal sheet 861, a fixed base 862, a first pressing plate 863, a first metal sheet 864, and a second pressing plate 865, a positioning shaft 857 is movably nested at an upper end of the fixed base 862, the fixed base 862 is fixedly connected to an upper end of the first pressing plate 863, the first metal sheet 864 is fixed to a lower end of the first pressing plate 863, the first pressing plate 863 is inserted into an upper end of the second pressing plate 865, the second metal sheet 861 is fixedly connected to an upper end of the second pressing plate 865, the first pressing plate 863 and the second pressing plate 865 have the same structure, the first pressing plate 863 and the second pressing plate 865 are symmetrically distributed, the clamping mechanism 86 has six clamping mechanisms 86, the clamping mechanisms 86 are equidistantly distributed along the lower end of the positioning shaft 857, of course, the number of the clamping mechanisms 86 may be more, which is not limited, and the first pressing plate 863 and the second pressing plate 865 are made of phenolic resin, the insulating property is excellent.

Example two:

the invention provides an electric protector with excellent shock resistance through improvement, the upper end of a knob 841 is provided with strip-shaped anti-skid grains which are distributed at equal intervals along the edge of the upper end of the knob 841, so that the anti-skid effect is favorably realized, the number of compression bars 71 is two, the compression bars 71 are symmetrically distributed along the left end and the right end inside a slot 6, the upper ends of the two compression bars 71 are respectively provided with a compression spring 72, a swinging rod 73, an L-shaped plate 74, a clamping block 75, a telescopic rod 76 and a first reset spring 77, the right end of the clamping block 75 is provided with a convex block 751, and the upper end of the other clamping block 75 is provided with a groove 751 corresponding to the convex block, so that the effect of fixing a connecting wire head is favorably realized.

The invention provides an electric protector with excellent shock resistance through improvement, and the working principle is as follows;

firstly, before use, an electric protector with excellent shock resistance is horizontally placed, so that a bottom plate 1 fixedly supports the protector;

secondly, when the electric protector is used, the bottom of the bottom plate 1 is additionally provided with the buffer spring 9, so that the shock resistance of the electric protector is improved;

thirdly, when the electric protector is to be connected with an external power supply and display equipment, a connecting wire is needed to be used, then the connector is inserted into the slot 6 to be fixed with the connector 10, in the downward moving process of the connector, the pressing rod 71 is pressed to move towards the lower end, the pressing rod 71 presses the pressing spring 72 to deform and contract, the pressing rod 71 pulls the L-shaped plate 74 to move towards the middle of the slot 6 through the swinging rod 73, so that the clamping block 75 clamps and fixes the connector to assist in fixing the connector, and the telescopic rod 76 plays a role in guiding the L-shaped plate 74;

fourthly, when the conducting wire is to be connected, the knob 841 is rotated to enable the knob 841 to drive the rotary table 851 to rotate through the rotary rod 842, so that the rotary table 851 drives the slide block 853 to move towards the upper end of the slide carriage 855 through the first movable rod 852, so that the second movable rod 854 drives the first press plate 863 to move towards the upper end through the positioning shaft 857, then the conducting wire is inserted into the inner sides of the first press plate 863 and the second press plate 865, then the upper end rotating force of the knob 841 is removed, the torsion spring 843 drives the rotary rod 842 to rotate reversely through the elastic potential energy of the restored deformation, so that the rotary table 851 is restored to the original position, so that the first press plate 863 is restored, the elastic potential energy of the restored deformation through the second restoring spring 856 drives the first metal sheet 864 and the second metal sheet 861 inside the first press plate 863 and the second press plate 865 to stably clamp the conducting wire, and simultaneously the first press plate 863 and the second press plate 865 are made of phenolic resin material, the safety of wire connection is improved, the original mode of fixing the wire through the bolt is changed, and the fixing is convenient and fast.

The invention provides an electric protector with excellent shock resistance through improvement, a clamping mechanism 7 is arranged in a slot 6, a connector is inserted into the slot 6 and fixed with a connector 10, a pressure rod 71 is pressed to move towards the lower end in the downward movement process of the connector, the pressure rod 71 pulls an L-shaped plate 74 to move towards the middle of the slot 6 through a swinging rod 73, so that a clamping block 75 clamps and fixes the connector, and the advantage of auxiliary fixing of the connector is achieved, a connecting rod mechanism 85 is arranged at the upper end of a connecting mechanism 8, a knob 841 is rotated to drive a rotary disc 851 to rotate through a rotary rod 842, so that the rotary disc 851 drives a slide block 853 to move towards the upper end of a slide seat through a first movable rod 852, and a second movable rod 854 drives a first pressure plate 863 to move towards the upper end through a positioning shaft 857, and the advantage of rapidly driving a clamping mechanism 86 to carry out linkage is achieved 855, by arranging the rotating mechanism 84 on the upper end of the connecting mechanism 8, when the rotating force on the upper end of the knob 841 is removed, the torsion spring 843 can drive the rotating rod 842 to rotate reversely through the elastic potential energy recovered from deformation, so that the rotating disc 851 is recovered to the original position, thereby resetting the first pressing plate 863, and achieving the advantage of quickly resetting the first pressing plate 863, by arranging the clamping mechanism 86 on the upper end of the connecting mechanism 8, after the lead is inserted into the inner sides of the first pressing plate 863 and the second pressing plate 865, the elastic potential energy recovered from deformation by the second resetting spring 856 can drive the first metal sheet 864 and the second metal sheet 861 on the inner sides of the first pressing plate 863 and the second pressing plate 865 to stably clamp the lead, and meanwhile, the first pressing plate 863 and the second pressing plate 865 are made of phenolic resin, so as to increase the safety of lead connection, and change the original mode of fixing the lead through bolts, the fixation is convenient and fast.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric protector with excellent shock resistance comprises a bottom plate (1), an electric protector body (2), a slot (6), a buffer spring (9) and a connector lug (10), wherein the electric protector body (2) is arranged at the top of the bottom plate (1), a switch (3) is arranged on the left side of the front end of the electric protector body (2), indicator lamps (4) are distributed on the right lower side of the front end of the electric protector body (2) at equal intervals, and an adjusting button (5) is arranged on the right upper side of the front end of the electric protector body (2);

the method is characterized in that: the electric protector is characterized by further comprising a clamping mechanism (7) and a connecting mechanism (8), the clamping mechanism (7) is fixedly installed at the lower end inside the inserting groove (6), the connecting mechanism (8) is fixedly connected with the rear end of the electric protector body (2), the clamping mechanism (7) comprises a pressing rod (71), a pressure spring (72), a swinging rod (73), an L-shaped plate (74), a clamping block (75), a telescopic rod (76) and a first reset spring (77), the pressing rod (71) is embedded into the inner side of the inserting groove (6) in a clearance fit mode, the pressing rod (71) is elastically connected with the left lower end inside the inserting groove (6) through the pressure spring (72), one end of the swinging rod (73) is rotatably connected with the left lower end of the pressing rod (71) through a hinge shaft, the other end of the swinging rod (73) is movably nested at the right lower end of the L-shaped plate (74), and the L-shaped plate (74) is fixedly connected with the left end of the clamping block (75), one end of the telescopic rod (76) is fixed with the left end of the L-shaped plate (74), the other end of the telescopic rod (76) extends to the left end inside the slot (6) to be fixedly connected, a first reset spring (77) is sleeved at the upper end of the telescopic rod (76), the connecting mechanism (8) comprises a wiring terminal shell (81), wiring grooves (82), a fixing head (83), a rotating mechanism (84), a connecting rod mechanism (85) and a clamping mechanism (86), the wiring terminal shell (81) is connected with the rear end of the electric protector body (2) through bolts, the wiring grooves (82) are equidistantly distributed at the lower side of the front end of the wiring terminal shell (81), the bottoms of the wiring terminal shell (81) and the fixing head (83) are fixed into a whole, the connecting rod mechanism (85) is installed and fixed inside the wiring terminal shell (81), and the output end of the rotating mechanism (84) is rotationally connected with the connecting rod mechanism (85), the link mechanism (85) is fixed with the upper end of the clamping mechanism (86), the rotating mechanism (84) comprises a knob (841), a rotating rod (842) and a torsion spring (843), the rotating rod (842) is embedded into the inner side of the right end of the fixed head (83), the rotating rod (842) is rotatably connected with the inner side of the right end of the fixed head (83), the knob (841) is fixed with the top of the rotating rod (842), the torsion spring (843) is sleeved at the lower end of the rotating rod (842), the link mechanism (85) comprises a rotating disc (851), a first movable rod (852), a sliding block (853), a second movable rod (854), a sliding block (855), a second return spring (856) and a positioning shaft (857), the rotating disc (851) is rotatably connected with the left end of the rotating rod (842), one end of the first movable rod (852) is rotatably matched with the right lower end of the rotating disc (851) through a hinge shaft, and the other end of the first movable rod (852) extends to the upper side of the front end of the sliding block (853) and is rotatably connected with the rotating shaft, the second movable rod (854) is in running fit with the lower end of the front end of the sliding block (853) through a hinge shaft, the sliding block (853) slides along the inner side of the sliding seat (855), and the sliding block (853) is elastically connected with the inner upper end of the sliding seat (855) through a second return spring (856), a positioning shaft (857) is movably nested at the lower end of the second movable rod (854), the clamping mechanism (86) comprises a second metal sheet (861), a fixed seat (862), a first pressure plate (863), a first metal sheet (864) and a second pressure plate (865), a positioning shaft (857) is movably nested at the upper end of the fixed seat (862), the fixed seat (862) is fixedly connected with the upper end of the first pressure plate (863), a first metal sheet (864) is fixed at the lower end of the first pressure plate (863), the first pressure plate (863) is inserted with the upper end of the second pressure plate (865), the second metal sheet (861) is fixedly connected with the upper end of the second pressing plate (865).

2. An electromotive protector excellent in vibration resistance according to claim 1, characterized in that: electric protector body (2) top rear end equidistance distributes there are slot (6), electric protector body (2) distribute through buffer spring (9) and bottom plate (1) top equidistance, inside connector lug (10) that is provided with of slot (6).

3. An electromotive protector excellent in vibration resistance according to claim 1, characterized in that: the first pressing plate (863) and the second pressing plate (865) are identical in structure, and the first pressing plate (863) and the second pressing plate (865) are symmetrically distributed.

4. An electromotive protector excellent in vibration resistance according to claim 1, characterized in that: six clamping mechanisms (86) are arranged, and the clamping mechanisms (86) are distributed at equal intervals along the lower end of the positioning shaft (857).

5. An electromotive protector excellent in vibration resistance according to claim 1, characterized in that: the cross section of the sliding seat (855) is U-shaped, and the inner side wall of the sliding seat (855) is smooth.

6. An electromotive protector excellent in vibration resistance according to claim 1, characterized in that: the first movable rod (852) is eccentrically connected with the rotating disc (851), and the first movable rod (852) and the second movable rod (854) are both in a flat long shape.