CN209104404U

CN209104404U - A kind of novel gravity locking universal grounding rod of anti-dropout

Info

Publication number: CN209104404U
Application number: CN201821856695.3U
Authority: CN
Inventors: 文峰; 周宇; 梅成高; 陈建昆; 胡绍勇; 陈朝勇; 周仕新; 陈诚
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2019-07-12
Anticipated expiration: 2028-11-12

Abstract

The utility model discloses a kind of novel gravities to lock the universal grounding rod of anti-dropout, including clamp head, dynamic collet and insulation tube, clamp head includes vertical portion, its both ends is respectively equipped with horizontal part, two horizontal parts are located at the same side of vertical portion, insulation tube top is connected with lower horizontal portion, dynamic collet is between two horizontal parts, it is horizontal in upper horizontal portion to be equipped with supporter, one rope starting point lifts dynamic collet, end is around supporter and extend into insulation tube, it is sequentially connected along its length in insulation tube equipped with bracket, pawl, solve lock key, the end of rope is connected with bracket, solution lock key is connected with pull rod, unlock is provided along its length sliding slot on the key, pawl free end is equipped with connecting rod, it is slideably positioned in sliding slot, unlock key end towards pawl is right-angled trapezium in the longitudinal direction, in insulation tube along its length It is fixed with rack gear, pawl sharp portion can be inserted into the rack gear age of a draught animal, and right-angled trapezium bevel edge is arranged away from rack gear；The grounding rod is easy to operate, is hardly damaged, and it is firm to contact.

Description

A kind of novel gravity locking universal grounding rod of anti-dropout

Technical field

The utility model relates to be grounded field, in particular to a kind of novel gravity locks the universal grounding rod of anti-dropout.

Background technique

Ground line is exactly the line for being directly connected to the earth, is referred to as safety return circuit line, it can will be generated because of a variety of causes Unsafe charge-conduction to greatly, be ensure safety lifeline.Ground line is to have a power failure in the power system Equipment and route on guarantee the important tool of staff when unexpectedly there is voltage, ground line is needed through grounding rod and line Road, equipment etc. are connected, and existing grounding rod has plain end screw compression type, double-spring type etc., and plain end screw compression type is grounded cumbersome, spiral shell Line rust corrosion easy to damage, and double-spring type is easy poor contact, therefore, it is desirable to design a kind of novel grounding bar to overcome above-mentioned skill Art problem.

Utility model content

In view of this, the purpose of the utility model is to provide a kind of novel gravities to lock the universal grounding rod of anti-dropout, operation It is convenient, it is hardly damaged, it is firm to contact.

The purpose of this utility model is achieved through the following technical solutions:

A kind of novel gravity locking universal grounding rod of anti-dropout, including clamp head, dynamic collet and insulation tube, the clamp head Including vertical portion, the vertical portion both ends, which are respectively perpendicular, is provided with horizontal part, and two horizontal parts are located at the same side of vertical portion, described It is connected at the top of insulation tube with the bottom surface in lower horizontal portion, the dynamic collet is between two horizontal parts, the upside of the clamp head Being horizontally disposed on horizontal part has supporter, and a rope starting point lifts dynamic collet, and end is around supporter and extend into insulation tube In, the rope ends in insulation tube are connected with bracket, and the bracket free end is connected with pawl, also sets up in the insulation tube There is solution lock key, the solution lock key is arranged along insulation tube length direction, and the unlock is provided with along its length on the key Sliding slot, the pawl free end are provided with connecting rod along its width direction, and the connecting rod is slideably positioned in sliding slot, towards spine The unlock key end of pawl is right-angled trapezium in the longitudinal direction, and the solution lock key free end is connected with a pull rod, in the insulation tube It is further fixedly arranged on rack gear, the rack gear is arranged along insulation tube length direction, and the pawl sharp portion can be inserted into the rack gear age of a draught animal, The right-angled trapezium bevel edge of unlock on the key is arranged away from rack gear, is provided with ground line on the clamp head.

Further, the supporter is fixed pulley, closes at vertical portion and is vertically arranged between the dynamic collet two horizontal parts Slideway, dynamic collet correspond to slideway end and are provided with frame-type sliding slot, and slideway is placed in sliding slot, the dynamic chuck end between slideway and vertical portion Movable pulley is fixed on face, fixed pulley is aligned with movable pulley in the longitudinal direction, and the axis of the movable pulley is located at the extension of dynamic collet On direction, rope starting point is fixed on the clamp head on movable pulley, and the downside of end elder generation follow-up pulley bypasses again from fixed pulley Upside lay out after from lower horizontal portion enter insulation tube.

Further, connecting plate A, the lower end the connecting plate A are vertically arranged on clamp head lower horizontal subordinate bottom surface At semicircle, the top horizontal of the insulation tube is provided with top plate, and two opposite connecting plate B are vertically arranged on the top plate, The upper end the connecting plate B at semicircle, the connecting plate A between two connecting plate B, the connecting plate A upper half round nose The center point is provided with axis hole A, and the center point of corresponding connecting plate B upper half round nose is provided with axis hole B, and a shaft passes through axis hole A With axis hole B, the edge of the connecting plate A upper half round nose is arranged at intervals with multiple semi-circular recesses, and the connecting plate B is upper right Lower section is provided with through-hole, and an angle lock dead axle may pass through through-hole on connecting plate B and wherein a semi-circular recesses, the angle lock Dead axle lower right is provided with a torque spring, and the first end of torque spring is fixed on top plate, second end and angle lock dead axle phase Even, the through-hole is strip, is arranged in the torque spring second end direction of motion, and it is fixed that the torque spring is set in one On bar, the fixed link is horizontally set between two connecting plate B.

Further, be provided with steel spring hose at the top of the insulation tube, the top plate setting at the top of the steel spring hose on.

Further, the slideway is " I " fonts in the transversal cross-section of left and right, and corresponding frame-type sliding slot is in left and right transverse cutting It is " I " fonts in face.

Further, rotation is provided with 2 needle bearings respectively on the side of front and back in the sliding slot, and the needle bearing is along dynamic folder Head length direction setting.Further, the clamp head and dynamic collet are made of alloy aluminium, and the ground line is fine copper conducting wire, The fine copper conducting wire is connected by cuprum aluminum transition joint with clamp head.

Further, the rope ends in insulation tube are connected with spring, and the spring free end is connected with bracket.

Further, the spring is placed in a closed cylinder of the other end open at one end, and the spring free end is fixed In cylinder closed end, cylinder closed end is connected with bracket.

The beneficial effects of the utility model are:

A kind of novel gravity of the utility model locks the universal grounding rod of anti-dropout, pulls dynamic collet to lean on it by rope Nearly clamp head upper horizontal portion realizes clamping conducting wire, passes through the gravity retaining clip head clamping conducting wire of insulation tube after clamping, when tearing open Push rod need to only be touched when lower ground line upwards makes the sharp portion of pawl be detached from rack gear teeth, and operation is extremely convenient, contact jail It leans on, is hardly damaged.

Other advantages, target and feature of the utility model will be explained in the following description to a certain extent It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following Bright book and claims are achieved and obtained.

Detailed description of the invention

It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer It is novel to be described in further detail, in which:

Fig. 1 is that the utility model moves collet, clamp head, the mutual attachment structure schematic diagram of insulating bar；

Fig. 2 is the structural schematic diagram of each component in the utility model insulation tube；

Fig. 3 is the attachment structure schematic diagram of each component in the utility model insulation tube；

Fig. 4 is the attachment structure schematic diagram one between the utility model clamp head lower horizontal portion and insulating bar top；

Fig. 5 is the attachment structure schematic diagram two between the utility model clamp head lower horizontal portion and insulating bar top；

Fig. 6 is to enumerate status diagram after the utility model clamp head opposing insulation bar rotates；

Fig. 7 is the attachment structure schematic diagram of outer tube and insulation tube.

Specific embodiment

Hereinafter reference will be made to the drawings, and the preferred embodiment of the utility model is described in detail.It should be appreciated that preferably real Example is applied only for illustrating the utility model, rather than in order to limit the protection scope of the utility model.

As shown in Figure 1-3, a kind of novel gravity locks the universal grounding rod of anti-dropout, including clamp head 1, dynamic collet 2 and absolutely Edge pipe 3, they are the prior art, and clamp head 1 includes vertical portion, and vertical portion both ends, which are respectively perpendicular, is provided with horizontal part, two water Flat portion is located at the same side of vertical portion, and 3 top of insulation tube is connected with the bottom surface in lower horizontal portion, moves collet 2 and is located at two levels Between portion, being horizontally disposed in the upper horizontal portion of clamp head 1 has supporter, and 4 starting point of a rope lifts dynamic collet 2, and end bypasses Supporter is simultaneously extend into insulation tube 3, and insulating cord is preferably wirerope, securely, 4 end of the rope connection in insulation tube 3 There is spring 5, be compressed spring, 5 free end of spring is connected with bracket 6, and 6 free end of bracket is connected with pawl 7, in insulation tube 3 It is additionally provided with solution lock key 8, solution lock key 8 is arranged along 3 length direction of insulation tube, solves and is arranged along its length on lock key 8 There is sliding slot 9,7 free end of pawl is provided with connecting rod along its width direction, and connecting rod is slideably positioned in sliding slot 9, towards pawl 7 8 end of solution lock key be in the longitudinal direction right-angled trapezium, i.e., the unlock key end towards pawl side is very thin, can be inserted into pawl with Between the rack gear of lower theory, solution 8 free end of lock key is connected with a pull rod 10, and rack gear 11, rack gear 11 are further fixedly arranged in insulation tube 3 It is arranged along 3 length direction of insulation tube, 7 sharp portion of pawl can be inserted into 11 age of a draught animal of rack gear, solve the right-angled trapezium bevel edge on lock key 8 It is arranged away from rack gear 11, is provided with ground line 12 on clamp head 1.

The grounding rod when in use, pulls downward on pull rod first, and rope for traction, rope pass through each component on pull rod together Supporter makes collet realize clamping conducting wire close to the upper horizontal portion of clamp head, and releasing lever pawl sharp portion enters tooth later Engaging is realized in age of a draught animal, due to the weight of insulation tube, dynamic collet will not be far from clamp head upper horizontal portion, and clamping is reliable；

When needing to remove grounding rod, pull rod is pushed up, injects rack gear and pawl towards the unlock key end at pawl end Between, so that pawl sharp portion is detached from rack gear, dynamic collet is easy to use far from clamp head upper horizontal portion at this time

When upper and lower collet closes up, energy-stored spring energy storage, the dynamic collet of guarantee well and obtains bigger with the contact of clamp head Clamping force.

Supporter is fixed pulley 13, closes at vertical portion between dynamic 2 two horizontal parts of collet and is vertically arranged with slideway 14, moves collet 2 corresponding slideway ends are provided with frame-type sliding slot, and slideway 14 is placed in sliding slot, on 2 end face of dynamic collet between slideway 14 and vertical portion It is fixed with movable pulley 15, fixed pulley 13 is aligned with movable pulley 15 in the longitudinal direction, and the axis of movable pulley 15 is located at the extension of dynamic collet 2 On direction, 4 starting point of rope is fixed on the clamp head 1 on movable pulley 15, the downside of end elder generation follow-up pulley 15 around again from The upside of fixed pulley 13 from lower horizontal portion enters insulation tube 3 after laying out, and by the cooperation of fixed pulley and movable pulley, need to only move Collet is moved in the power energy pull-up of collet half, therefore use is extremely laborsaving.

As Figure 4-Figure 6, connecting plate A 16, connecting plate A 16 are vertically arranged on 1 lower horizontal subordinate bottom surface of clamp head At semicircle, the top horizontal of insulation tube 3 is provided with top plate 17 for lower end, and two opposite connecting plate B are vertically arranged on top plate 17 18 upper end 18, connecting plate B is at semicircle, and connecting plate A 16 is between two connecting plate B 18,16 upper half round nose of connecting plate A The center point be provided with axis hole A, the center point of corresponding 18 upper half round nose of connecting plate B is provided with axis hole B, and a shaft 19 is worn Axis hole A and axis hole B are crossed, the edge of 16 upper half round nose of connecting plate A is arranged at intervals with multiple semi-circular recesses, connecting plate B Lower right is provided with through-hole on 18, and an angle locking 21 may pass through through-hole on connecting plate B 18 and wherein a semi-circular recesses, 21 lower right of angle lock dead axle is provided with a torque spring 2), the first end of torque spring 22 is fixed on top plate 17, second end It is connected with angle lock dead axle 21, through-hole is strip, is arranged in the 22 second end direction of motion of torque spring, torque spring 22 It is set in a fixed link 23, fixed link 23 is horizontally set between two connecting plate B 18, is passed through not by angle lock dead axle 21 Same semi-circular recesses realize the adjustment of collet angle, in use, first moving angle lock dead axle 21 away from original half with hand Circular groove, then moves release angle lock dead axle 21 after collet is adjusted in place, and enters under the action of torque spring 22 new Semi-circular recesses in locking, stable structure is reliable, easy to use, adapts to the ground connection needs of different location angle.

The top of insulation tube 3 is provided with steel spring hose, the setting of top plate 17 at the top of the steel spring hose on, it is soft by setting steel spring Pipe is around the barrier encountered during ground connection.

Slideway 14 is " I " fonts in the transversal cross-section of left and right, and corresponding frame-type sliding slot is " work " in the transversal cross-section of left and right Font, structure is firm, will not block.

Rotation is provided with 2 needle bearings respectively on the side of front and back in sliding slot, and the setting of collet length direction is moved on needle bearing edge, The needle bearing of setting can avoid phase bite between dynamic collet 2 and slideway 14.

Clamp head 1 and dynamic collet 2 are made of alloy aluminium, and ground line 12 is fine copper conducting wire, and fine copper conducting wire passes through copper aluminium mistake It crosses connector to be connected with clamp head 1, ground resistance can be reduced using fine copper wired earth, improve the reliability of ground connection.Pass through setting Cuprum aluminum transition joint can prevent copper aluminium and be directly connected to contact surface generation couple corrosion, especially wet environment, can avoid contact electricity Resistance increases, and situation appearance is blown in fever.

Spring is placed in a closed cylinder of the other end open at one end, and spring free end is fixed on cylinder closed end, cylinder Closed end is connected with bracket, and the setting of cylinder can prevent rack gear teeth to be stuck on spring.

As shown in fig. 7, going back sliding sleeve outside insulation tube 3 equipped with outer tube 25,25 bottom end of outer tube is provided with extension bar connector, adds Stock connector both ends are provided with screw thread, and extension bar connector is connected by screw thread with outer tube 25, and extension bar connector is another End can be connected with extension bar, and pull rod end is provided with disk, and disk outer wall is fixedly linked with outer tube lower end inner wall, pulls down outer tube When, pull rod, which follows, moves the lengthening, it can be achieved that outer tube, adapts to different height ground connection.

Strip groove is provided on insulation tube 3 along its length, is provided with along its length on strip groove inner wall several Main teeth 26 are provided with a secondary teeth 27 on corresponding 25 inner wall of outer tube, and secondary teeth 27 can be meshed with main teeth 26, when turning When its secondary teeth of dynamic outer tube are meshed with main teeth, even if lifting outer tube on someone, solution lock key will not make pawl be detached from rack gear, With anti-dropout effect, when to make collet far from clamp head upper horizontal portion, spun outer tube makes secondary teeth and main teeth point It opens, above pushes away outer tube.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program Cover in the scope of the claims of the utility model.

Claims

1. a kind of novel gravity locks the universal grounding rod of anti-dropout, it is characterised in that: including clamp head (1), dynamic collet (2) and exhausted Edge pipe (3), the clamp head (1) includes vertical portion, and the vertical portion both ends, which are respectively perpendicular, is provided with horizontal part, two horizontal parts position It is connected at the top of the same side of vertical portion, the insulation tube (3) with the bottom surface in lower horizontal portion, the dynamic collet (2) is located at Between two horizontal parts, being horizontally disposed in the upper horizontal portion of the clamp head (1) has supporter, and a rope (4) starting point lifts dynamic Collet (2), end is around supporter and extend into insulation tube (3), and rope (4) end being located in insulation tube (3) is connected with branch Frame, bracket (6) free end are connected with pawl (7), and solution lock key (8), the unlock are additionally provided in the insulation tube (3) Key (8) is arranged along insulation tube (3) length direction, is provided with sliding slot (9), institute along its length on the solution lock key (8) It states pawl (7) free end and its width direction is provided with connecting rod, the connecting rod is slideably positioned in sliding slot (9), towards spine Solution lock key (8) end of pawl (7) is right-angled trapezium in the longitudinal direction, and the solution lock key (8) free end is connected with a pull rod (10), It is further fixedly arranged on rack gear (11) in the insulation tube (3), the rack gear (11) is arranged along insulation tube (3) length direction, described Pawl (7) sharp portion can be inserted into rack gear (11) age of a draught animal, and the right-angled trapezium bevel edge in solution lock key (8) is set away from rack gear (11) It sets, is provided with ground line (12) on the clamp head (1).

2. a kind of novel gravity according to claim 1 locks the universal grounding rod of anti-dropout, it is characterised in that: the support Body is fixed pulley (13), closes at vertical portion between dynamic collet (2) two horizontal parts and is vertically arranged with slideway (14), moves collet (2) corresponding slideway end is provided with frame-type sliding slot, and slideway (14) is placed in sliding slot, the dynamic collet between slideway (14) and vertical portion (2) movable pulley (15) are fixed on end face, fixed pulley (13) is aligned with movable pulley (15) in the longitudinal direction, the movable pulley (15) Axis is located on the extending direction of dynamic collet (2), and rope (4) starting point is fixed on the clamp head (1) on movable pulley (15), end The downside of first follow-up pulley (15) is held around insulation tube is entered from lower horizontal portion after laying out on the upside of fixed pulley (13) again (3)。

3. a kind of novel gravity according to claim 1 or 2 locks the universal grounding rod of anti-dropout, it is characterised in that: described Be vertically arranged with connecting plate A (16) on clamp head (1) lower horizontal subordinate bottom surface, (16) lower end connecting plate A at semicircle, The top horizontal of the insulation tube (3) is provided with top plate (17), is vertically arranged with two opposite connecting plate B on the top plate (17) (18), (18) upper end connecting plate B is at semicircle, and the connecting plate A (16) is between two connecting plate B (18), the company The center point of fishplate bar A (16) upper half round nose is provided with axis hole A, and the center point of corresponding connecting plate B (18) upper half round nose is set It is equipped with axis hole B, a shaft (19) passes through axis hole A and axis hole B, the edge interval of connecting plate A (16) the upper half round nose are set Multiple semi-circular recesses are equipped with, lower right is provided with through-hole, angle lock dead axle (21) company of may pass through on the connecting plate B (18) Through-hole on fishplate bar B (18) and wherein a semi-circular recesses, angle lock dead axle (21) lower right are provided with a torque spring (22), the first end of torque spring (22) is fixed on top plate (17), and second end is connected with angle lock dead axle (21), the through-hole For strip, it is arranged in torque spring (22) second end direction of motion, the torque spring (22) is set in a fixed link (23) on, the fixed link (23) is horizontally set between two connecting plate B (18).

4. a kind of novel gravity according to claim 3 locks the universal grounding rod of anti-dropout, it is characterised in that: the insulation Be provided with steel spring hose at the top of pipe (3), top plate (17) setting at the top of the steel spring hose on.

5. a kind of novel gravity according to claim 2 locks the universal grounding rod of anti-dropout, it is characterised in that: the slideway It (14) is " I " fonts in the transversal cross-section of left and right, corresponding frame-type sliding slot is " I " fonts in the transversal cross-section of left and right.

6. a kind of novel gravity according to claim 2 or 5 locks the universal grounding rod of anti-dropout, it is characterised in that: described Rotation is provided with 2 needle bearings respectively on the side of front and back in sliding slot, and the needle bearing is along dynamic collet (2) length direction setting.

7. a kind of novel gravity according to claim 1 locks the universal grounding rod of anti-dropout, it is characterised in that: the clamp Head (1) and dynamic collet (2) are made of alloy aluminium, and the ground line (12) is fine copper conducting wire, and the fine copper conducting wire passes through copper aluminium Transit joint is connected with clamp head (1).

8. a kind of novel gravity according to claim 1 locks the universal grounding rod of anti-dropout, it is characterised in that: be located at insulation Rope (4) end in pipe (3) is connected with spring (5), and spring (5) free end is connected with bracket (6).

9. a kind of novel gravity according to claim 8 locks the universal grounding rod of anti-dropout, it is characterised in that: the spring (5) it is placed in a closed cylinder of the other end open at one end, the spring free end is fixed on cylinder closed end, cylinder closed end It is connected with bracket.