CN223071181U - Auxiliary pliers for installing hanger of overhead line system - Google Patents

Abstract

The utility model discloses a pair of auxiliary pliers for installing a dropper of a contact net, which comprises a pliers body, a first clamping plate, a second clamping plate and a bolt fixing sleeve, wherein the first clamping plate is fixed at the end part of one pliers mouth of the pliers body, which is far away from a handle, the second clamping plate is fixed at the end part of the other pliers mouth of the pliers body, which is far away from the handle, a U-shaped wire clamping groove is formed in the second clamping plate, the bolt fixing sleeve is arranged between the two pliers mouths of the pliers body, the bolt fixing sleeve is in sliding connection with one of the pliers mouths of the pliers body, the bolt fixing sleeve slides along the pliers mouths, and the bolt fixing sleeve is used for being sleeved on a bolt and locking the rotation of the bolt. The installation auxiliary clamp is small and light in size, can fix the positions of the U-shaped wire clamp and the bolt of the hanger at one time, ensures that the angle of the current-carrying ring can be adjusted synchronously while the wire enters the groove, improves the working efficiency, reduces the number of constructors and labor intensity, and avoids the trouble caused by repeated adjustment.

Description

Auxiliary pliers for installing hanger of overhead line system

Technical Field

The utility model relates to the technical field of electric power construction, in particular to auxiliary pliers for installing a catenary hanger.

Background

The overhead contact system is a special power transmission line which is erected along the overhead of a railway line and supplies power to an electric locomotive, and consists of a contact suspension, a supporting device, a positioning device, a support and a foundation. The hanger is one of important component parts of contact suspension, the contact wire 12 is hung on the carrier cable 11 through the hanger, the structural height of the contact suspension and the working height of the contact wire 12 from a rail surface can be ensured by adjusting the length of the hanger, the suspension point of the contact wire 12 is increased, and the current taking quality of the pantograph of the electric locomotive is improved.

As shown in the structural schematic diagrams of the dropper shown in fig. 1 and 2, the end part of the dropper wire 2 corresponding to the contact wire 12 and the end part of the corresponding carrier wire 11 are bent to form a current-carrying ring 21, the upper current-carrying ring 21 is connected to the carrier wire 11 through a dropper U-shaped wire clamp 22 and a carrier wire dropper wire clamp 13, the dropper U-shaped wire clamp 22 and the carrier wire dropper wire clamp 13 are fixedly connected through a bolt 3 matched with a nut 4 penetrating through the two, the carrier wire dropper wire clamp 13 is clamped on the carrier wire 11, the lower current-carrying ring 21 is connected to the contact wire 12 through the dropper U-shaped wire clamp 22 and the contact wire dropper wire clamp 14, the dropper U-shaped wire clamp 22 and the contact wire dropper wire clamp 14 are fixedly connected through a bolt 3 matched with a nut 4 penetrating through the two, and the contact wire dropper wire clamp 14 is clamped on the contact wire 12. When installed, the upper and lower current-carrying rings 21, 21 should each be mounted inclined 45 ° to the lead (the carrier cable 11 and the contact wire 12 are collectively referred to as lead), the upper current-carrying ring 21 being opposite to the direction of travel, the lower current-carrying ring 21 being coincident with the direction of travel. In the installation construction, the nut 4 on the bolt 3 should be in an unthreaded state first, so that the notch of the contact wire dropper clamp 14 opens a certain angle to be smoothly clamped into the notch on the contact wire 12, and the notch of the carrier cable dropper clamp 13 opens a certain angle to be smoothly clamped into the notch on the carrier cable 11. And after the contact wire string clamps 14 are clamped and fixed to the contact wires 12, the carrier rope string clamps 13 are clamped and fixed on the carrier ropes 11, and then the nuts 4 are screwed.

In the existing railway electrification construction, a car ladder is often adopted for ascending when the overhead contact system dropper is installed, personnel are located in the car ladder frame for installation, two persons are often required to work cooperatively during installation, one end of the overhead contact system dropper is fixed with a bolt, and the other end of the overhead contact system dropper is fastened with a nut. Because the space in the car ladder frame is little, the operation is difficult, can appear clue not go into the groove, bolt rotates along with the nut fastening, moment is up to standard or the condition such as discovery current-carrying ring angle is not enough after the nut fastening when installing, need adjust repeatedly, just can reach the standard, the operation degree of difficulty is big, inefficiency. And the construction amount of the hanger for installing the railway line is large, and the labor cost is correspondingly increased.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model innovatively provides the auxiliary clamp for installing the hanging strings of the overhead contact system, which is small and exquisite and portable in whole, can fix the positions of the U-shaped wire clamps and the bolts of the hanging strings at one time, ensures that the angle of the current-carrying ring can be adjusted synchronously while the wires enter the grooves, improves the working efficiency, reduces the number of constructors and the labor intensity, and avoids the trouble caused by repeated adjustment.

In order to achieve the technical aim, the utility model discloses an auxiliary clamp for installing a catenary dropper, which comprises a clamp body, a first clamping plate, a second clamping plate and a bolt fixing sleeve,

The first clamping plate is fixed at the end part of one of the clamp mouths of the clamp body, which is far away from the handle, the second clamping plate is fixed at the end part of the other clamp mouth of the clamp body, which is far away from the handle, the second clamping plate is provided with a dropper U-shaped wire clamping groove,

The bolt fixing sleeve is arranged between two clamp mouths of the clamp body, the bolt fixing sleeve is in sliding connection with one clamp mouth of the clamp body, the bolt fixing sleeve slides along the clamp mouth, and the bolt fixing sleeve is used for being sleeved on a bolt and locking the rotation of the bolt.

Further, the bolt fixing sleeve is in sliding connection with the clamp mouth through a connecting plate, the bolt fixing sleeve is vertically fixed on one end portion of the connecting plate, and the other end portion of the connecting plate is sleeved on the clamp mouth.

Further, the clamp mouth is plate-shaped, a strip-shaped hole is formed in the connecting plate, and the connecting plate is sleeved on the clamp mouth through the strip-shaped hole.

Further, a wire clamping groove is formed in the first clamping plate, and the wire clamping groove is an arc-shaped groove.

Further, the two forceps mouths of the forceps body are respectively a fixed forceps mouth and a movable forceps mouth, the two handles of the forceps body are respectively a fixed handle and a movable handle, the fixed forceps mouth and the fixed handle are positioned on the same side, the movable forceps mouth and the movable handle are positioned on the same side, the fixed forceps mouth is fixedly connected with the fixed handle, the end part, close to the fixed handle, of the movable forceps mouth is rotatably connected with the fixed handle, and the movable forceps mouth is rotatably connected with the movable handle;

The auxiliary clamp for installing the catenary hanger further comprises a clamping mechanism which is respectively connected with the movable clamp mouth, the fixed handle and the movable handle and used for enabling the movable handle and the movable clamp mouth to be kept motionless after the movable clamp mouth moves to the fixed clamp mouth to a preset distance.

Further, the clamping stagnation mechanism comprises a spring, a sliding block, a card and a pulling piece, wherein one end of the spring is fixedly connected with the movable clamp mouth, the connecting point of the spring and the movable clamp mouth is located between the connecting point of the movable clamp mouth and the fixed handle and the connecting point of the movable clamp mouth and the movable handle, the other end of the spring is fixedly connected with the sliding block, a sliding groove matched with the sliding block is formed in the fixed handle, the sliding groove is formed in the length direction of the fixed handle, the sliding block is arranged in the sliding groove, one end of the card is rotationally connected with the sliding block, the other end of the card is rotationally connected with the movable handle, the middle part of the pulling piece is rotationally connected with the movable handle, a clamping groove for clamping the card is formed in the end face of the movable clamp mouth, which is close to the movable handle, the connecting point of the card and the movable handle, and the connecting point of the pulling piece and the movable handle are sequentially distributed along the direction of the movable clamp mouth, which is far away from the movable handle.

Further, the clamping stagnation mechanism further comprises a limiting block, the limiting block is fixed in the end portion, far away from the fixed clamp mouth, of the fixed handle, and the limiting block seals the end portion of the sliding groove.

Further, the stopper with fixed handle threaded connection, the stopper is equipped with the external screw thread, be equipped with in the fixed handle with screw thread matching's on the stopper screw hole, the screw hole with the spout intercommunication, the stopper keep away from the tip of spout extends to outside the fixed handle.

Further, a rotary cam is fixed at the end part of the limiting block, which is far away from the sliding groove.

Further, a protective sleeve is arranged on the handle.

The beneficial effects of the utility model are as follows:

The auxiliary clamp for installing the hanger of the overhead line system is small and exquisite and portable in whole, can fix the positions of the U-shaped wire clamps and the bolts of the hanger at one time, ensures that the angle of the current-carrying ring can be adjusted synchronously while the wire enters the groove, improves the working efficiency, reduces the number of constructors and the labor intensity, and avoids the trouble caused by repeated adjustment.

Drawings

FIG. 1 is a front view of a dropper.

Fig. 2 is a side view of a dropper.

Fig. 3 is a schematic structural view of the auxiliary clamp for installing the catenary hanger according to the embodiment of the present utility model in a use state.

Fig. 4 is a schematic structural view of the auxiliary clamp for installing the catenary hanger according to the embodiment of the present utility model in an idle state.

Fig. 5 is a schematic structural diagram of a clamping mechanism according to an embodiment of the utility model.

In the drawing the view of the figure,

11. The lifting cable comprises a carrier cable, 12, a contact wire, 13, a carrier cable dropper wire clamp, 14, a contact wire dropper wire clamp, 2, a dropper wire, 21, a current-carrying ring, 22, a dropper U-shaped wire clamp, 3, a bolt, 4, a nut, 5, a clamp body, 51, a fixed clamp mouth, 52, a movable clamp mouth, 53, a fixed handle, 531, a chute, 532, a threaded hole, 54, a movable handle, 6, a first clamping plate, 61, a wire clamping groove, 7, a second clamping plate, 71, a dropper U-shaped wire clamping groove, 8, a bolt fixing sleeve, 81, a connecting plate, 82, a strip-shaped hole, 9, a clamping mechanism, 91, a spring, 92, a sliding block, 93, a clamping plate, 94, a pulling piece, 941, a clamping groove, 10, a limiting block, 20 and a rotating cam.

Detailed Description

The auxiliary clamp for installing the catenary hanger provided by the utility model is explained and illustrated in detail below by combining the specification and the drawing.

The embodiment specifically discloses auxiliary pliers for installing contact net dropper, as shown in fig. 3 and 4, the auxiliary pliers comprise a pliers body 5, a first clamping plate 6, a second clamping plate 7 and a bolt fixing sleeve 8, wherein the first clamping plate 6 is fixed at the end part of one of the pliers mouths of the pliers body 5, which is far away from the handle, the second clamping plate 7 is fixed at the end part of the other pliers mouth of the pliers body 5, which is far away from the handle, a dropper U-shaped wire clamping groove 71 is formed in the second clamping plate 7, the bolt fixing sleeve 8 is arranged between the two pliers mouths of the pliers body 5, the bolt fixing sleeve 8 is in sliding connection with one of the pliers mouths of the pliers body 5, the bolt fixing sleeve 8 slides along the pliers mouths, and the bolt fixing sleeve 8 is used for sleeving on the bolt 3 and locking the rotation of the bolt 3. When the hanger is used, the U-shaped wire clamping groove 71 on the second clamping plate 7 is clamped on the U-shaped wire clamp 22, the first clamping plate 6 is positioned at one side of a wire (the carrier wire 11 or the contact wire 12) far away from the U-shaped wire clamp 22, the bolt fixing sleeve 8 is slid along the clamp mouth, the bolt fixing sleeve 8 is sleeved on the bolt 3, force is applied to the two handles, the two clamp mouths drive the first clamping plate 6 and the second clamping plate 7 to move towards each other, the contact wire 12 and the contact wire hanger 14 or the carrier wire 11 and the carrier wire hanger 13 are clamped between the first clamping plate 6 and the second clamping plate 7, the notch of the corresponding contact wire hanger 14 is clamped in the notch on the contact wire 12, or the notch of the carrier wire hanger 13 is clamped in the notch on the carrier wire 11, the wire fixing sleeve 8 is guaranteed, one side of the U-shaped wire clamping groove 71 is positioned in the current-carrying ring 21, the position of the U-shaped wire clamp 22 is fixed, the angle of the current-carrying ring 21 is adjusted, and the fixing sleeve 8 is fixed, and the nut 4 is not rotated along with the rotation of the bolt 4. The hanger can be installed by only one person, so that the number of constructors and the labor intensity are reduced, the hanger can be in place in one step, the trouble caused by repeated adjustment is avoided, and the operation efficiency is improved.

The inner cavity of the bolt fixing sleeve 8 is a limiting cavity, the shape of the inner cavity is matched with the shape of a nut of the bolt 3, and the inner cavity is used for preventing the bolt 3 from rotating around the axis of the inner cavity. The nut of bolt 3 is usually hexagon, therefore, in this embodiment, the inner chamber of bolt fixing sleeve 8 sets up to the hexagon that matches with the nut shape for bolt 3 no longer rotates after the cover of bolt fixing sleeve 8 is established on the nut of bolt 3, and bolt 3 keeps motionless when making the screw nut 4, improves work efficiency.

Alternatively, as shown in fig. 3 and 4, the bolt fixing sleeve 8 is slidably connected to the jaw through the connecting plate 81, the bolt fixing sleeve 8 is vertically fixed on one end portion of the connecting plate 81, the bolt fixing sleeve 8 is fixed on the plate surface of the connecting plate 81, the other end portion of the connecting plate 81 is sleeved on the jaw, and the bolt fixing sleeve 8 is driven to move in a direction approaching or separating from the bolt 3 by sliding of the connecting plate 81 along the jaw.

Further, the clamp mouth is plate-shaped, a strip-shaped hole 82 is formed in the connecting plate 81, the connecting plate 81 is sleeved on the clamp mouth through the strip-shaped hole 82, as shown in fig. 3, the length and the width of the strip-shaped hole 82 are slightly larger than the corresponding dimension of the plate-shaped clamp mouth of the sleeved part, namely, in the angle shown in fig. 3, the connecting plate 81 can move up and down and front and back a certain distance relative to the clamp mouth, and then the angle of the bolt fixing sleeve 8 can be slightly adjusted to align the inner cavity of the bolt fixing sleeve 8 with the bolt 3, and the bolt 3 can be prevented from rotating along with the rotation of the nut 4.

Optionally, as shown in fig. 3 and 4, the first clamping plate 6 is provided with a wire clamping groove 61, the wire clamping groove 61 is an arc groove, the arc groove is matched with the shapes of the contact wire 12 and the carrier rope 11, so that the contact wire and the carrier rope can be conveniently clamped and positioned, and further can smoothly enter the notch of the corresponding wire clamp, and the angles of the wire entering groove and the current-carrying ring 21 are more accurate.

In some alternative embodiments, the two jaws of the pliers body 5 are respectively a fixed jaw 51 and a movable jaw 52, the two handles of the pliers body 5 are respectively a fixed handle 53 and a movable handle 54, the fixed jaw 51 and the fixed handle 53 are on the same side, the movable jaw 52 and the movable handle 54 are on the same side, the fixed jaw 51 is fixedly connected with the fixed handle 53, preferably, the fixed jaw 51 is connected with the fixed handle 53 through a bolt and nut assembly, the end of the movable jaw 52 close to the fixed handle 53 is rotatably connected with the fixed handle 53, and the movable jaw 52 is rotatably connected with the movable handle 54, preferably, the rotational connection is realized through a rotating shaft.

In this embodiment, the fixed jaw 51 and the movable jaw 52 are both C-shaped, the first clamping plate 6 is fixed at the end of the movable jaw 52, the second clamping plate 7 is fixed at the end of the fixed jaw 51, the connecting plate 81 is sleeved on the middle section of the fixed jaw 51, and the connection point of the movable jaw 52 and the movable handle 54 is located in the middle of the section of the C-shape close to the fixed handle 53. In use, the hanger U-shaped wire clamp slot 71 can be clamped on the hanger U-shaped wire clamp 22, the fixed clamp mouth 51 and the fixed handle 53 are kept still, and the movable handle 54 is forced to move towards the direction close to the fixed handle 53 until the wire clamp slot 61 moves to the wire.

In some embodiments, as shown in fig. 3-5, the auxiliary clamp for installing the dropper of the overhead line system further comprises a clamping mechanism 9, which is respectively connected to the movable jaw 52, the fixed handle 53 and the movable handle 54, and is used for keeping the movable handle 54 and the movable jaw stationary after the movable jaw moves towards the fixed jaw to a predetermined distance (in this embodiment, the first clamping plate and the second clamping plate clamp the wire and the dropper U-shaped wire clamp 22). The clamping stagnation mechanism 9 comprises a spring 91, a sliding block 92, a card 93 and a pulling piece 94, one end of the spring 91 is fixedly connected with the movable clamp mouth 52, preferably, a spring connection hole is formed in the movable clamp mouth 52, the connection point of the spring 91 and the movable clamp mouth 52 is located between the connection point of the movable clamp mouth 52 and the fixed handle 52 and the connection point of the movable clamp mouth 52 and the movable handle 54, namely, the spring connection hole is located between the connection point of the movable clamp mouth 52 and the fixed handle 53 and the connection point of the movable clamp mouth 52 and the movable handle 54, the other end of the spring 91 is fixedly connected with the sliding block 92, preferably, the spring 91 is connected with the end of the sliding block 92 close to the fixed clamp mouth 51, a sliding groove 531 matched with the sliding block 92 is formed in the fixed handle 53, the sliding groove 531 is arranged in the length direction of the fixed handle 53, the sliding groove 92 is arranged in the sliding groove 531, one end of the sliding block 92 is rotatably connected with the sliding groove 92, the end of the fixed handle 53 is arranged on the end face of the fixed handle 53 close to the movable handle 54, the end of the card 93 enters the inner portion of the fixed handle 53, the sliding groove 531 through the hole, the sliding groove is communicated with the sliding groove 531, the sliding groove 93 is rotatably connected with the sliding groove 92 through the other end of the sliding groove 93 through the rotating shaft, the other end of the sliding groove 93 is rotatably connected with the movable handle 54, the sliding groove 94 is sequentially, and the sliding groove 94 is arranged on the movable handle 54, and the sliding groove is sequentially, and is connected with the sliding groove 94 of the movable handle 54, and the sliding plate 54 is sequentially, and the sliding plate 94 is arranged in the moving direction, and is arranged in the direction, and is moving along the direction, and is moving.

Pressing the fixed handle 53 and the movable handle 54 toward each other, the card 93 pushes the slider 92 to slide away from the fixed jaw 51, the spring 91 is stretched, after the dropper U-shaped wire clamping groove 71 is clamped on the dropper U-shaped wire clamp 22 and the wire is in the wire clamping groove 61, one side of the card 93 close to the movable handle 54 is clamped into the clamping groove 941 of the pulling piece 94, meanwhile, one end of the pulling piece 94 close to the movable jaw 52 is pressed down to be close to the movable handle 54, and one end of the pulling piece 94 away from the movable jaw 52 is tilted away from the movable handle 54, at this time, the first clamping plate 6, the second clamping plate 7, the movable jaw 52 and the fixed jaw 51 can be ensured to be kept unchanged in the clamped state, as shown in fig. 3. In order to ensure the clamping effect of the card 93, a protrusion extending toward the pulling piece 94 may be provided on the surface of the card 93 adjacent to the movable handle 54. The nut 4 rotates on the bolt 3 to realize screwing, after the screwing of the nut 4 is completed, the end part of the pulling piece 94, which is far away from the movable clamp mouth 52, can be pressed towards the direction, which is close to the movable clamp mouth 52, of the pulling piece 94, the end part of the pulling piece 94, which is close to the movable clamp mouth 52, moves towards the direction, which is far away from the movable clamp mouth 54, can be pushed to the card 93, meanwhile, the sliding block 92 slides towards the direction, which is close to the fixed clamp mouth, of the sliding block, the card 93 is driven to move, the card 93 is separated from the clamping groove 941, so that the clamping stagnation of the card 93 can be relieved, and the movable clamp mouth 54, the fixed clamp mouth 53, the movable clamp mouth 52 and the fixed clamp mouth 51 move towards the direction, which is far away from each other, as shown in a state in fig. 4. The clamp body 5 can be kept still after being clamped through the clamping stagnation mechanism 9, a worker can completely put hands on the clamp body to screw the nuts 4, and the number of constructors is further reduced.

Optionally, as shown in fig. 4 and 5, the latch mechanism 9 further includes a limiting block 10, where the limiting block 10 is fixed in an end of the fixed handle 53 away from the fixed jaw 51, and the limiting block 10 seals an end of the sliding groove 531 and can limit a maximum distance of the sliding block 92 moving along the sliding groove 531 in a direction away from the fixed jaw 51.

Further, stopper 10 and fixed handle 53 threaded connection, stopper 10 are the column, and stopper 10 is equipped with the external screw thread, is equipped with in the fixed handle 53 with the screw hole 532 of the screw thread matching on the stopper 10, screw hole 532 and spout 531 intercommunication, the stopper 10 is kept away from the tip of spout 531 and extends to outside the fixed handle 53, through threaded connection, both makes things convenient for the installation and the dismantlement of stopper 10, and the position of convenient adjustment stopper 10 again, the gliding furthest distance in fixed handle 53 of adjustment slider 92 promptly.

Optionally, a rotating cam 20 is fixed at the end of the limiting block 10 away from the chute 531, so as to facilitate rotating the limiting block 10.

Optionally, be equipped with the protective sheath on the handle, the protective sheath is preferably the silica gel protective sheath, and protection constructor hand just plays insulating effect.

The use method of the auxiliary clamp for installing the hanging string of the overhead line system is illustrated by taking the connection installation of the hanging string and the contact line as an example:

The dropper U-shaped wire clamping groove 71 of the second clamping plate 7 is aligned with the dropper U-shaped wire clamp 22 and is placed on the contact wire dropper wire clamp 14, the right part outside the dropper U-shaped wire clamping groove 71 of the second clamping plate 7 is located in the lower current carrying ring 21, at this time, the bolt fixing sleeve 8 can be slid along the fixing clamp mouth 51 to enable the bolt fixing sleeve 8 to be sleeved on the bolt 3, the movable handle 54 is forced to move towards the direction close to the fixing handle 53, namely, the first clamping plate 6 moves towards the contact wire 12 until the contact wire 12 is located in the wire clamping groove 61, the notch of the contact wire 12 is clamped into the notch of the contact wire dropper wire clamp 14, at this time, the clamping piece 93 is clamped in the clamping groove 941 of the pulling piece 94, the movable handle 54 and the movable clamp mouth 52 are not moved any more, and the auxiliary clamp can be completely clamped on the contact wire 12, the contact wire dropper wire clamp 14 and the dropper wire clamp 22. The nut 4 is screwed on the screw rod of the bolt 3 at the other side, after screwing, the pulling piece 94 can be pressed to be far away from the end part of the movable clamp mouth 52, so that the clamping piece 93 is separated from the clamping groove 941, the clamping stagnation is relieved, and the auxiliary clamp can be taken down to mount the other end of the hanging string.

The hanger and the carrier cable are connected and installed by adopting the same method, the installation mode is simple and quick, one person can operate the hanger and the carrier cable, and the installation precision is improved.

Through field test, according to the traditional installation process, each hanger can be installed in an average time of 4 minutes by 2 people, and the auxiliary pliers can be installed in an average time of 2 minutes by only 1 person, so that the construction efficiency is greatly improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to the terms "present embodiment," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any at least one embodiment or example. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model, but any modifications, equivalents, and simple improvements made within the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The auxiliary clamp for installing the catenary dropper is characterized by comprising a clamp body (5), a first clamping plate (6), a second clamping plate (7) and a bolt fixing sleeve (8),

The first clamping plate (6) is fixed at the end part of one of the clamp mouths of the clamp body (5) far away from the handle, the second clamping plate (7) is fixed at the end part of the other clamp mouth of the clamp body (5) far away from the handle, the second clamping plate (7) is provided with a dropper U-shaped line clamping groove (71),

The bolt fixing sleeve (8) is arranged between two clamp mouths of the clamp body (5), the bolt fixing sleeve (8) is in sliding connection with one clamp mouth of the clamp body (5), the bolt fixing sleeve (8) slides along the clamp mouth, and the bolt fixing sleeve (8) is used for being sleeved on the bolt (3) and locking the rotation of the bolt (3).

2. The overhead contact system hanger installation auxiliary clamp according to claim 1, wherein the bolt fixing sleeve (8) is in sliding connection with the clamp mouth through a connecting plate (81), the bolt fixing sleeve (8) is vertically fixed on one end part of the connecting plate (81), and the other end part of the connecting plate (81) is sleeved on the clamp mouth.

3. The auxiliary clamp for installing the catenary hanger according to claim 2, wherein the clamp mouth is plate-shaped, a strip-shaped hole (82) is formed in the connecting plate (81), and the connecting plate (81) is sleeved on the clamp mouth through the strip-shaped hole (82).

4. The auxiliary clamp for installing the catenary dropper according to claim 1, wherein the first clamping plate (6) is provided with a wire clamping groove (61), and the wire clamping groove (61) is an arc-shaped groove.

5. The overhead line hanger installation auxiliary clamp according to any one of claims 1 to 4, wherein two clamp mouths of the clamp body (5) are a fixed clamp mouth (51) and a movable clamp mouth (52) respectively, two handles of the clamp body (5) are a fixed handle (53) and a movable handle (54) respectively, the fixed clamp mouth (51) and the movable handle (53) are on the same side, the movable clamp mouth (52) and the movable handle (54) are on the same side, the fixed clamp mouth (51) is fixedly connected with the fixed handle (53), an end part of the movable clamp mouth (52) close to the fixed handle (53) is rotatably connected with the fixed handle (53), and the movable clamp mouth (52) is rotatably connected with the movable handle (54);

The auxiliary clamp for installing the catenary hanger further comprises a clamping stagnation mechanism (9), wherein the clamping stagnation mechanism (9) is respectively connected with the movable clamp mouth (52), the fixed handle (53) and the movable handle (54) and is used for enabling the movable handle (54) and the movable clamp mouth to be kept motionless after the movable clamp mouth moves to the direction of the fixed clamp mouth to a preset distance.

6. The auxiliary clamp for installing a dropper of a catenary according to claim 5, wherein the clamping stagnation mechanism (9) comprises a spring (91), a sliding block (92), a card (93) and a pulling piece (94), one end of the spring (91) is fixedly connected with the movable clamp mouth (52), the connection point of the spring (91) and the movable clamp mouth (52) is positioned between the connection point of the movable clamp mouth (52) and the fixed handle (53) and the connection point of the movable clamp mouth (52) and the movable handle (54), the other end of the spring (91) is fixedly connected with the sliding block (92), a sliding groove (531) matched with the sliding block (92) is arranged in the fixed handle (53), the sliding groove (531) is arranged along the length direction of the fixed handle (53), the sliding block (92) is arranged in the sliding groove (531), one end of the card (93) is rotationally connected with the sliding block (92), the other end of the card (93) is rotationally connected with the movable handle (52) and the connection point of the movable clamp mouth (52), the other end of the card (93) is rotationally connected with the sliding piece (94) and the pulling piece (94) is used for connecting the clamping stagnation mechanism (1) with the pulling piece (94), the movable clamp mouth (52) and the movable handle (54) are sequentially arranged along the direction away from the movable clamp mouth (52) on the movable handle (54), the card (93) and the movable handle (54) are connected, and the pulling sheet (94) and the movable handle (54) are connected.

7. The overhead line hanger installation auxiliary clamp according to claim 6, wherein the clamping stagnation mechanism (9) further comprises a limiting block (10), the limiting block (10) is fixed in the end portion of the fixed handle (53) away from the fixed clamp mouth (51), and the limiting block (10) closes the end portion of the sliding groove (531).

8. The overhead contact system hanger installation auxiliary clamp according to claim 7, wherein the limiting block (10) is in threaded connection with the fixed handle (53), the limiting block (10) is provided with external threads, a threaded hole (532) matched with the threads on the limiting block (10) is formed in the fixed handle (53), the threaded hole (532) is communicated with the sliding groove (531), and the end portion, away from the sliding groove (531), of the limiting block (10) extends out of the fixed handle (53).

9. The overhead line hanger installation auxiliary clamp according to claim 8, wherein a rotating cam (20) is fixed at the end of the limiting block (10) far away from the sliding groove (531).

10. The overhead line hanger installation auxiliary clamp according to claim 1, wherein a protective sleeve is arranged on the handle.