CN208423627U - Gripping mechanism and insulator clamp apparatus - Google Patents

Abstract

The utility model provides a kind of gripping mechanism and insulator clamp apparatus, is related to maintenance circuit technical field.The gripping mechanism includes master card and subcard, and master card includes the lower deck and upper blocking seat that cross section is arcuation, and upper blocking seat is detachable to be fixed on lower deck, and the cyclic annular pedestal of inner hollow is constituted with lower deck；Subcard includes regulating part and hold-down head, and hold-down head is set to the inside cavity of master card, and regulating part is affixed along the side wall and hold-down head of the radial penetration master card of master card, and regulating part can be along the radiai adjustment position of master card；The insulator clamp apparatus includes connecting rod and two above-mentioned gripping mechanisms, and the master card of gripping mechanism is equipped with engaging lug along its circumferential two sides, and connecting rod is two, and two connecting rods are connected on two gripping mechanisms between corresponding two engaging lugs.The length that part protrudes into mother card internal is controlled to adjust in gripping mechanism, hold-down head can carry out clamping fixed to the insulator of different model, have a wide range of application, strong applicability.

Description

Gripping mechanism and insulator clamp apparatus

Technical field

The utility model relates to maintenance circuit technical field more particularly to a kind of gripping mechanisms and insulator clamp apparatus.

Background technique

The conducting wire of ultra-high-tension power transmission line passes through insulator chain mostly and is suspended on electric power line pole tower, and insulator chain is by multi-disc The bulb of suspension insulator and steel cap with ball-and-socket concatenate, and every insulator all has very high electrically and mechanically intensity, It ensure that the reliability service of transmission line of electricity.But after running for many years, individual insulators can occur to deteriorate and fail, and need at any time It is replaced, is not due to replacing insulator by line outage, it is necessary to carry out livewire work on ultra-high-tension power transmission line, online A piece of Faulty insulator is not taken out from an insulator string by worker under power-off condition on road, it is necessary to using a kind of with tightening The special mould clamp of device, it is therefore an objective to so that Faulty insulator is become relaxed state from stress, it in a relaxed state could will be bad The bulb and steel cap for changing insulator are disengaged from the corresponding steel cap of adjacent insulator and bulb, it is taken out from insulator chain It is replaced.

Existing fixture can only generally be directed to a kind of insulator of model, and application range is small, poor for applicability.

Utility model content

The purpose of this utility model is to provide a kind of gripping mechanism and insulator clamp apparatus, to solve to exist in the prior art Fixture generally can only be directed to a kind of model insulator, the technical problem that application range is small, poor for applicability.

Gripping mechanism provided by the utility model, including master card and subcard, the master card include that cross section is arcuation Lower deck and upper blocking seat, the upper blocking seat is detachable to be fixed on the lower deck, and is constituted in inside with the lower deck Empty cyclic annular pedestal；

The subcard includes regulating part and hold-down head, and the hold-down head is set to the inside cavity of the master card, the adjusting The side wall and the hold-down head of master card described in radial penetration of the part along the master card are affixed, and the regulating part can be along the master card Radiai adjustment position.

Further, the regulating part includes threaded fastener, and the master card is equipped with threaded hole, the threaded fastener Cooperation is engaged with the threaded hole, and passes through the threaded hole and hold-down head pivot joint.

Further, the regulating part be it is multiple, multiple regulating parts along the master card circumferential dispersed distribution, it is described Hold-down head corresponding to the regulating part is also multiple, and multiple hold-down heads surround compression chamber jointly.

Further, the subcard is multiple groups, and subcard described in multiple groups is successively arranged along the axial direction of master card.

Further, the corresponding hold-down head in position is fixed in together by connector in subcard described in adjacent each group.

Further, the hold-down head in subcard described in adjacent each group is fixed in together, and forms guide groove, the master card Guide head is radially provided inwardly on inner sidewall, the guide groove matches with the guide head.

Further, the connecting portion of the hold-down head and the regulating part is equipped with reinforcer, and the regulating part passes through The reinforcer and the hold-down head are affixed.

Further, the upper blocking seat is articulated on the lower deck along its circumferential side, and the other side passes through locking member It is detachable to lock on the lower deck.

Further, positioning protrusion is respectively equipped with along its two circumferential side position on the lower deck, on the upper blocking seat Two side positions circumferential along it are respectively equipped with locating slot, and the locating slot matches with the positioning protrusion.

Another of the utility model is designed to provide a kind of insulator clamp apparatus, including connecting rod and two above-mentioned clampings The master card of device, the gripping mechanism is equipped with engaging lug along its circumferential two sides, and the connecting rod is two, two companies Extension bar is connected on two gripping mechanisms between corresponding two engaging lugs, which has above-mentioned All technical effects of gripping mechanism.

The utility model gripping mechanism and insulator clamp apparatus have the beneficial effect that

Gripping mechanism and insulator clamp apparatus provided by the utility model, wherein gripping mechanism includes as clamping pedestal Master card and the subcard that direct clamping fixed is carried out to insulator, master card include that can assemble to form cyclic annular pedestal and can dismantle To install the upper blocking seat and lower deck of insulator, subcard includes hold-down head for being fixed to insulator and for adjusting Save the regulating part of hold-down head position；Wherein, insulator clamp apparatus includes two above-mentioned for carrying out the card of clamping fixed to insulator Tight device and the connecting rod for two gripping mechanisms to link together.

When initial, the hold-down head of subcard is connected on the upper blocking seat and lower deck of master card by regulating part, is needed to insulation When clamping is fixed in substring, under the upper blocking seat of one of gripping mechanism on insulator clamp apparatus is dismantled from lower deck Come, the opening of the lower deck of arcuation is in open state, will need the lower deck of the corresponding loading of the steel cap on fixed insulator In opening, then upper blocking seat is fitted on lower deck, then the length of regulating part insertion mother card internal is adjusted, Correspondingly, radial position of the hold-down head inside master card ring-type pedestal is adjusted, until hold-down head is by the steel cap pressure of insulator Tightly, insulator is clamped on gripping mechanism；Similar, another gripping mechanism on insulator clamp apparatus is to another on insulator chain One insulator carries out clamping fixed, two gripping mechanism the distance between affixed by connecting rod between two gripping mechanisms Constant, then the spacing on insulator chain between two fixed insulators immobilizes, the insulator of the deterioration needed replacing Between fixed two insulators, the insulator two sides of the deterioration are in relaxed state, and operator is by the deterioration Insulator disassembles, and new replacing insulator is installed.

After the completion of replacement, the upper blocking seat of two gripping mechanisms is removed from lower deck, gripping mechanism is removed.

The length for protruding into mother card internal in the gripping mechanism by adjusting regulating part, can adjust the clamping ruler of hold-down head It is very little, that is, subcard can carry out clamping fixed to the insulator of different outer dimensions, have a wide range of application, strong applicability.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of gripping mechanism provided by the embodiment of the utility model, wherein upper blocking seat is matched with lower deck Close connection；

Fig. 2 is first schematic cross-sectional view in the direction A-A in Fig. 1, wherein regulating part adjusts the pressure that hold-down head is formed The diameter of tight chamber is smaller；

Fig. 3 is second schematic cross-sectional view in the direction A-A in Fig. 1, wherein regulating part adjusts the pressure that hold-down head is formed Tight chamber is relatively large in diameter.

Icon: deck under 1-；11- positioning protrusion；12- engaging lug；2- upper blocking seat；21- locating slot；3- is adjusted Part；4- hold-down head；41- guide groove；5- guide head；6- reinforcer；7- locking member.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The present embodiment provides a kind of gripping mechanisms, and as shown in Figure 1-Figure 3, including master card and subcard, master card include cross section It is the lower deck 1 and upper blocking seat 2 of arcuation, upper blocking seat 2 is detachable to be fixed on lower deck 1, and constitutes inside with lower deck 1 Hollow cyclic annular pedestal；Subcard includes regulating part 3 and hold-down head 4, and hold-down head 4 is set to the inside cavity of master card, 3 edge of regulating part The side wall and hold-down head 4 of the radial penetration master card of master card are affixed, and regulating part 3 can be along the radiai adjustment position of master card.

The present embodiment also provides a kind of insulator clamp apparatus, including connecting rod and two above-mentioned gripping mechanisms, gripping mechanism Master card is equipped with engaging lug 12 along its circumferential two sides, and connecting rod is two, and two connecting rods are connected to two clamping dresses It sets between corresponding two engaging lugs 12.

Gripping mechanism and insulator clamp apparatus provided in this embodiment, wherein gripping mechanism includes the mother as clamping pedestal Card and the subcard of direct clamping fixed is carried out to insulator, master card include can assemble to be formed cyclic annular pedestal and can dismantle with The upper blocking seat 2 and lower deck 1 of insulator are installed, subcard includes hold-down head 4 for being fixed to insulator and is used for Adjust the regulating part 3 of 4 position of hold-down head；Wherein, insulator clamp apparatus includes two above-mentioned for carrying out clamping fixed to insulator Gripping mechanism and connecting rod for two gripping mechanisms to link together.

When initial, the hold-down head 4 of subcard is connected on the upper blocking seat 2 and lower deck 1 of master card by regulating part 3, is needed pair When clamping is fixed in insulator chain, the upper blocking seat 2 of one of gripping mechanism on insulator clamp apparatus is torn open from lower deck 1 It unloads down, the opening of the lower deck 1 of arcuation is in open state, under needing the steel cap on fixed insulator is corresponding to be packed into In the opening of deck 1, then upper blocking seat 2 is fitted on lower deck 1, the length of mother card internal is then inserted into regulating part 3 Degree is adjusted, correspondingly, radial position of the hold-down head 4 inside master card ring-type pedestal is adjusted, until hold-down head 4 will be exhausted The steel cap of edge compresses, and insulator is clamped on gripping mechanism；Similar, another gripping mechanism on insulator clamp apparatus is to exhausted Another insulator on edge substring carries out clamping fixed, two clamping dresses affixed by connecting rod between two gripping mechanisms The distance between set constant, then the spacing on insulator chain between two fixed insulators immobilizes, and needs replacing For the insulator of deterioration between fixed two insulators, the insulator two sides of the deterioration are in relaxed state, operator Member disassembles the insulator of the deterioration, and new replacing insulator is installed.

After the completion of replacement, the upper blocking seat 2 of two gripping mechanisms is removed from lower deck 1, gripping mechanism is removed.

The length for protruding into mother card internal in the gripping mechanism by adjusting regulating part 3, can adjust the clamping ruler of hold-down head 4 It is very little, that is, subcard can carry out clamping fixed to the insulator of different model, have a wide range of application, strong applicability.

In the present embodiment, regulating part 3 may include threaded fastener, and master card is equipped with threaded hole, threaded fastener and spiral shell Pit engagement cooperation, and pass through threaded hole and the pivot joint of hold-down head 4.It here is a kind of concrete form of regulating part 3, for different shaped Number insulator, threaded fastener may be implemented in the built-in length of master card radial direction by rotating threaded fastener, corresponding adjusting Hold-down head 4 enables hold-down head 4 that can be fixed different size of insulator in the compression distance of mother card internal；Its In, during threaded fastener rotation is threaded in or out mother card internal, threaded fastener is rotated, threaded fastener and hold-down head 4 connection one end relatively rotate, and hold-down head 4 is only with the axial movement of threaded fastener, not circumferentially rotating with threaded fastener, On the basis of realizing that compressing size is adjusted, reduces the rotation of hold-down head 4 and cause to compress situations such as shakiness causes insulator to loosen Generation.

In the present embodiment, as shown in Figure 1, regulating part 3 can be multiple, circumferential dispersion point of multiple regulating parts 3 along master card Cloth, hold-down head corresponding to regulating part 3 is also multiple, and multiple hold-down heads surround compression chamber jointly.Multiple regulating parts 3 are along master card Circumferential dispersed distribution can be adjusted multiple regulating parts 3, that is, hold-down head 4 is multiple for the insulator of different model The compression size of direction and position can be adjusted therewith, to further increase clamping of the gripping mechanism to different model insulator Applicability, while multiple hold-down heads 4 are fixed the different location of insulator, can effectively improve subcard to insulator Fix tightly solidity.

Specifically, regulating part 3 can be six, wherein three regulating parts 3 are set on the upper blocking seat 2 of master card, in addition three A regulating part 3 is arranged on the lower deck 1 of master card, six regulating parts 3 being arranged radially along master card, six 3 ends of regulating part Cricoid compression chamber is formed between the hold-down head 4 of connection, when being fixed, it is intracavitary that insulator is pressed in compression.

In the present embodiment, as shown in Figures 2 and 3, subcard can be multiple groups, and multiple groups subcard is successively arranged along the axial direction of master card Cloth.The multiple regulating parts 3 being circumferentially arranged in master card along it are one group, and it is first that the different location axial along it is provided with multiple groups subcard First, the different location of insulator axial direction can be fixed in multiple groups subcard, and fixed point increases, the enhancing of fix tightly solidity；Secondly, Multiple regulating parts 3 in every group of subcard relatively independent can be adjusted, the adjusting pressure that pressure head therewith can be relatively independent Tight position, so that gripping mechanism can be suitable for the insulator of different model, and clamping fastness is strong, it is ensured that electric power operation Process is normally carried out.

In the present embodiment, as shown in Figures 2 and 3, the corresponding hold-down head 4 in position is solid by connector in adjacent each group subcard It is connected together.The hold-down heads 4 of the corresponding different groups in position are fixed in (column in master card axial direction) together, can be right when adjusting The regulating part 3 of same row is adjusted, and improves the Connected degree between hold-down head 4, correspondinglys increase hold-down head 4 to the compression of insulator Firmness.

In the present embodiment, the hold-down head 4 in adjacent each group subcard is fixed in together, and formed guide groove 41, master card it is interior Guide head 5 is radially provided inwardly on side wall, guide groove 41 matches with guide head 5.Regulating part 3 is carried out along the radial direction of master card When adjusting, guide groove 41 is oriented to the movement of regulating part 3 and hold-down head 4 with guide head 5, to improve regulating part 3 and compress First 4 displacement accuracy, it is ensured that hold-down head 4 is positive to compress insulator, reduces 3 angle offset of regulating part and hold-down head 4 is caused to compress When regulating part 3 by side active force occur bending and so on.

In the present embodiment, as shown in Figures 2 and 3, the connecting portion of hold-down head 4 and regulating part 3 is equipped with reinforcer 6, adjusts Section part 3 passes through reinforcer 6 and connect with hold-down head 4.The setting of reinforcer 6, on the one hand, the intensity that can be improved hold-down head 4 subtracts The generation that its intensity stress generates rupture event is destroyed due to opening up connecting hole etc. on few hold-down head 4；On the other hand, regulating part 3 Affixed across reinforcer 6 and hold-down head 4, regulating part 3 and reinforcer 6 are also at connection status, and regulating part 3 and hold-down head 4 are dual Connection, accordingly further increases the firmness of the connection of regulating part 3 Yu hold-down head 4.

In the present embodiment, upper blocking seat 2 is articulated on lower deck 1 along its circumferential side, and the other side is removable by locking member 7 The formula of unloading is lock on lower deck 1.Here it is a kind of concrete form that upper blocking seat 2 and lower deck 1 are detachably connected, needs to install absolutely The edge period of the day from 11 p.m. to 1 a.m removes locking member 7, at upper blocking seat 2 and lower 1 hinged place of deck rotation upper blocking seat 2, upper blocking seat 2 and lower deck 1 It is in the open state in the opening of separated position, lower deck 1, insulator is packed into it from the opening of lower deck 1, then around The hinged place of upper blocking seat 2, which is gone back to, to be fastened on lower deck 1, and the correspondence of upper blocking seat 2 is locked at one with lower deck 1 using locking member 7 It rises；After master card locking, the length adjustment hold-down head 4 stretched out by adjusting regulating part 3 in mother card internal, so that hold-down head 4 is corresponding The size of insulator compresses insulator, completes clamping of the gripping mechanism to insulator；It needs from insulator to tear gripping mechanism open When lower, locking member 7 is removed, opens master card.

In the present embodiment, as shown in Figures 2 and 3, it is fixed to be respectively equipped on lower deck 1 along its two circumferential side position Position protrusion 11 is respectively equipped with locating slot 21, locating slot 21 and 11 phase of positioning protrusion along its two circumferential side position on upper blocking seat 2 Match.It, can be by the positioning protrusion on the locating slot 21 and lower deck 1 on upper blocking seat 2 when upper blocking seat 2 is fastened on lower deck 1 11 alignments, the cooperation of positioning protrusion 11 are inserted into locating slot 21, complete the cooperation of upper blocking seat 2 and lower deck 1, pass through again after cooperation Upper blocking seat 2 and lower deck 1 are locked together and to form master card by locking member 7 etc., that is, the setting of positioning protrusion 11 and locating slot 21 The position of upper blocking seat 2 and lower deck 1 can be cooperated and play guiding and positioning function, improve the cooperation of upper blocking seat 2 and lower deck 1 Convenient degree and the cooperation position precision for ensuring upper blocking seat 2 Yu lower deck 1.

In addition to above-mentioned set-up mode, it can also determine that can be respectively equipped on upper blocking seat 2 along its two circumferential side position Position protrusion 11 is respectively equipped with locating slot 21, locating slot 21 and 11 phase of positioning protrusion along its two circumferential side position on lower deck 1 Match, principle and effect are similar to above-mentioned setting form, and which is not described herein again.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution The range of technical solution.

Claims (10)

1. a kind of gripping mechanism, which is characterized in that including master card and subcard, the master card includes the lower card that cross section is arcuation Seat (1) and upper blocking seat (2), the upper blocking seat (2) is detachable to be fixed on the lower deck (1), and with the lower deck (1) Constitute the cyclic annular pedestal of inner hollow；

The subcard includes regulating part (3) and hold-down head (4), and the hold-down head (4) is set to the inside cavity of the master card, described The side wall and the hold-down head (4) of master card described in radial penetration of the regulating part (3) along the master card are affixed, the regulating part (3) It can be along the radiai adjustment position of the master card.

2. gripping mechanism according to claim 1, which is characterized in that the regulating part (3) includes threaded fastener, described Master card is equipped with threaded hole, and the threaded fastener engages cooperation with the threaded hole, and passes through the threaded hole and the pressure Tight head (4) pivot joint.

3. gripping mechanism according to claim 2, which is characterized in that the regulating part (3) is multiple, multiple adjustings For part (3) along the circumferential dispersed distribution of the master card, the hold-down head (4) corresponding to the regulating part (3) is also multiple and multiple The hold-down head (4) surrounds compression chamber jointly.

4. gripping mechanism according to claim 3, which is characterized in that the subcard is multiple groups, and subcard described in multiple groups is along female The axial direction of card is successively arranged.

5. gripping mechanism according to claim 4, which is characterized in that the corresponding compression in position in subcard described in adjacent each group Head (4) is fixed in together by connector.

6. gripping mechanism according to claim 5, which is characterized in that the hold-down head (4) in subcard described in adjacent each group is solid It is connected together, and forms guide groove (41), be radially provided inwardly with guide head (5) on the inner sidewall of the master card, it is described to lead Match to slot (41) and the guide head (5).

7. gripping mechanism according to claim 1 to 6, which is characterized in that the hold-down head (4) and the tune The connecting portion for saving part (3) is equipped with reinforcer (6), and the regulating part (3) passes through the reinforcer (6) and the hold-down head (4) it connects.

8. gripping mechanism according to claim 1 to 6, which is characterized in that the upper blocking seat (2) is along its circumferential direction Side be articulated on the lower deck (1), the other side is lock on the lower deck (1) by the way that locking member (7) are detachable.

9. gripping mechanism according to claim 1 to 6, which is characterized in that along its week on the lower deck (1) To two side positions be respectively equipped with positioning protrusion (11), it is fixed to be respectively equipped on the upper blocking seat (2) along its two circumferential side position Position slot (21), the locating slot (21) match with the positioning protrusion (11).

10. a kind of insulator clamp apparatus, which is characterized in that including connecting rod and two cards of any of claims 1-9 The master card of tight device, the gripping mechanism is equipped with engaging lug (12) along its circumferential two sides, and the connecting rod is two, two The connecting rod is connected on two gripping mechanisms between corresponding two engaging lugs (12).