CN205304106U - A gripper -like drawing head for construction of electric power tension stringing - Google Patents
A gripper -like drawing head for construction of electric power tension stringing Download PDFInfo
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- CN205304106U CN205304106U CN201521124255.5U CN201521124255U CN205304106U CN 205304106 U CN205304106 U CN 205304106U CN 201521124255 U CN201521124255 U CN 201521124255U CN 205304106 U CN205304106 U CN 205304106U
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 58
- 239000004020 conductor Substances 0.000 claims abstract description 58
- 210000000078 claw Anatomy 0.000 claims description 99
- 238000009434 installation Methods 0.000 abstract description 21
- 238000002788 crimping Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000001802 infusion Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
A gripper -like drawing head for construction of electric power tension stringing, including the left -hand cylinder body that has same infusion set, right barrel and middle mount pad, the left end of right barrel is uncovered, and right barrel right -hand member is equipped with the connection otic placode, and middle mount pad is established in the left -hand cylinder body and right barrel, the second cylindrical section that middle mount pad circumferential surface personally experienced sth. Part of the body with the left -hand cylinder respectively and the inner wall threaded connection of right barrel. The utility model discloses need not the crimping, only needing to press from both sides tight steel strand wires and steel core through the hydraulic pressure mode respectively with aluminum stranded conductor jack catch and steel core jack catch, the clamping pressing type that the wire was put in the exhibition of can realizing connects, and gripper -like drawing head installation effectiveness is high. Accomplish the tension exhibition section of a putting back, the clamping -force of wire is put to the exhibition to this gripper -like drawing head dismountable aluminum stranded conductor jack catch and steel core jack catch, realizes the used repeatedly of gripper -like drawing head, the waste of reduction material, reduce project cost.
Description
Technical field
This utility model belongs to technical field of electric power construction, is specifically related to a kind of jack catchs type drawing head for electric power construction under tension stringing.
Background technology
At present, in electric power construction under tension stringing, tension stringing drawing head continues up use compression joint type drawing head, the drawing head of this kind of form needs the crimping of special press-connection machine, crimping length is long, causes drawing head joint efficiency low, simultaneously, compression joint type drawing head is used only once, tension stringing section needs after completing to clip this drawing head, it is impossible to reuses, sells cheap only as waste product, cause waste of material, add construction cost.
Utility model content
This utility model is in order to solve weak point of the prior art, it is provided that a kind of easily operated, safe and reliable, the jack catchs type drawing head for electric power construction under tension stringing that can repeatedly use.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that the jack catchs type drawing head for electric power construction under tension stringing, including the left-hand cylinder body with same level centrage, right cylinder and middle mounting seat, left inner barrel cavity is coaxial the first cylindrical section set gradually from left to right, conical section and the second cylindrical section are constituted, conical section is conical structure left small and right large, the diameter of conical section left end and the diameter of the first cylindrical section are identical, the diameter of conical section right-hand member and the diameter of the second cylindrical section are identical, three lobe aluminum stranded conductor claws it are uniformly provided with in conical section, the external form of three lobe aluminum stranded conductor claws is conical structure left small and right large and suitable with conical section, three lobe aluminum stranded conductor claws are centrally formed and the first cylindrical hole of the concentricity line of conical section, it is equipped with the first draw-in groove with rear side on front side of left-hand cylinder body, it is equipped with the second draw-in groove with rear side on front side of left-hand cylinder body, first draw-in groove is positioned on the left of the second draw-in groove,
The left end of right cylinder is uncovered, and right cylinder right-hand member is provided with connection otic placode, and middle mounting seat is located in left-hand cylinder body and right cylinder, and middle mounting seat circumferential outer surface is connected with the second cylindrical section of left-hand cylinder body and the inner thread of right cylinder respectively;
The center of middle mounting seat offers conical bore, cylindrical hole and holding tank from right to left successively, conical bore is left small and right large, the diameter of conical bore left end is be more than or equal to the diameter of cylindrical hole, three lobe steel core claws it are uniformly provided with in conical bore, the external form of three lobe steel core claws is conical structure left small and right large and suitable with conical bore, three lobe steel core claws are centrally formed and the second cylindrical hole of the concentricity line of conical bore, and the inwall of aluminum stranded conductor claw and steel core claw is equipped with the helicitic texture for increasing frictional force.
Described left-hand cylinder body right-hand member is provided with the first breach, and right cylinder left end is provided with the second breach, and middle mounting seat excircle is radially provided with bolt corresponding with the first breach and the second breach respectively.
Adopt technique scheme,
Installation of the present utility model needs handling jack, the mounting tool of hydraulic hand-pump and a kind of unique texture, this mounting tool includes base plate, base plate is provided with bearing, base plate left vertical is provided with the first left clamp and the second left clamp, base plate Right vertical is provided with the first right clamp, second right clamp, 3rd right clamp and the 4th right clamp, first left clamp, second left clamp, 3rd right clamp and the 4th right clamp are arranged all along the longitudinal direction, first left clamp, second left clamp, the middle part of the 3rd right clamp and the 4th right clamp is equipped with penetrating the first mounting groove of open top and left and right, first right clamp and the second right clamp are all arranged in left-right direction, penetrating the second mounting groove of open top and front and back it is correspondingly provided with before and after on first right clamp and the second right clamp, it is provided with between first left clamp and the second left clamp and lays respectively on front side of the first mounting groove and the left gyroaxis of rear side, a piece left gyroaxis is rotatably connected to left FE Tiler, the left gyroaxis of another root is rotatably connected to left fastening bolt, the threaded left wing nut having for compressing left FE Tiler on left fastening bolt, it is provided with between 3rd right clamp and the 4th right clamp and lays respectively on front side of the first mounting groove and the right-hand rotation axle of rear side, a piece right-hand rotation axle is rotatably connected to right FE Tiler, another root right-hand rotation axle is rotatably connected to right fastening bolt, the threaded right wing nut having for compressing right FE Tiler on right fastening bolt. one piece of bearing rib fixing to be connected with base plate it is equipped with on the left of first left clamp, on the right side of the second left clamp, on rear side of the first right clamp and on front side of the second right clamp.
When mounted, left-hand cylinder body in this utility model lies in a horizontal plane in the first mounting groove on the first left clamp and the second left clamp, left FE Tiler is pressed on left-hand cylinder body by tightening left wing nut, the first draw-in groove and the first left clamp snap-fit engagement, the second draw-in groove and the second left clamp snap-fit engagement.
Front and rear on the left of handling jack is equipped with and supports the alignment pin being positioned in the second mounting groove, handling jack rear portion is placed in the first mounting groove on the 3rd right clamp and the 4th right clamp, and right FE Tiler is pressed on handling jack by tightening right wing nut; Hydraulic hand-pump is connected with handling jack by high-pressure oil pipe. The first top cylinder that the left end of handling jack is coaxial to be connected to for pushing up jewelling twisted wire claw, for pushing up the second top cylinder or for dismantling aluminum stranded conductor claw and the anchor restorer of steel core claw of compressed steel core claw, first top cylinder and the second top cylinder left end are all uncovered, and the external diameter of the first top cylinder and internal diameter are respectively greater than external diameter and the internal diameter of the second top cylinder.
The connection otic placode of jack catchs type drawing head and right cylinder are integrated to be made, and right cylinder is threadeded with middle mounting seat left part. During for preventing Poling Construction, the left-hand cylinder body of jack catchs type drawing head and right cylinder relatively rotate, and offer the first breach, to offer the second breach on right cylinder spacing with a bolt snap-fit engagement respectively on left-hand cylinder body. The first draw-in groove with the first left clamp snap-fit engagement being respectively provided with rear side on front side of left-hand cylinder body, the second draw-in groove with the second left clamp snap-fit engagement being respectively provided with rear side on front side of left-hand cylinder body, jack catchs type drawing head can be made quick and easy for installation on mounting tool, during installation, left-hand cylinder body is directly placed at the first mounting groove in the first left clamp and the second left clamp.
The design of aluminum stranded conductor claw and steel core claw is the taper three equal separation structure of lobe, the inner surface design of aluminum stranded conductor claw and steel core claw increases the screw thread of frictional force, conical bore in the conical section of left-hand cylinder body and middle mounting seat is respectively provided with same frustoconical bevel angle, aluminum stranded conductor and steel core are by after pulling force, the counter-force relying on conical surface pressure makes aluminum stranded conductor claw and steel core claw by aluminum stranded conductor and steel core locking, draws tighter and tighter.
The connection otic placode of jack catchs type drawing head can support the use with rotary connector, and each parts of jack catchs type drawing head adopt machining center polish, each parts appearance looks elegant, without corner angle, meet by releasing pulley construction requirement.
Mounting tool mainly includes the parts compositions such as drawing head fixing chuck plate, drawing head FE Tiler mechanism, jack clamp and jack FE Tiler mechanism.
Before and after the cylinder body of handling jack, the alignment pin of side is located in the second mounting groove on the first right clamp and the second right clamp, realize the location of handling jack right position, the postmedian of handling jack is supported in the first mounting groove on the 3rd right clamp and the 4th right clamp, and use right FE Tiler will load and unload jack pressure holding, prevent from tilting when loading and unloading jack pressure operation, it is ensured that stability.
Left FE Tiler by left-hand cylinder body pressure holding on the first left clamp and the second left clamp, it is ensured that top jewelling twisted wire claw and the stability of left-hand cylinder body during steel core claw.
The critical component of jack catchs type drawing head is steel core claw and aluminum stranded conductor claw, during the construction line-putting wire tension conduction by steel core claw and aluminum stranded conductor claw enclasping force to steel core and aluminum stranded conductor respectively, the mounting means of the two, the size of installation pretightening force is particularly significant. So for mounting design special mounting tool and the installation tool of steel core claw and aluminum stranded conductor claw. Concrete installation steps are as follows:
(1) aluminum stranded conductor claw is installed: be first placed to by left-hand cylinder body in the first mounting groove on the first left clamp and the second left clamp, rotate left FE Tiler, tightening left wing nut makes left FE Tiler compress left-hand cylinder body, wire penetrates left-hand cylinder body from left to right, aluminum stranded conductor claw is arranged on aluminum stranded conductor outer end and fills in conical section, and makes three lobe aluminum stranded conductor claw spacing divide equally, and then installs the first top cylinder at handling jack left end, rotate right FE Tiler, tighten right wing nut and make right FE Tiler be fixed handling jack. Preparation can operate hydraulic hand-pump after completing, the piston rod of handling jack promotes the first top cylinder progressively inwardly to be advanced by aluminum stranded conductor claw, holds, for aluminum stranded conductor claw, the pretightning force that aluminum stranded conductor provides powerful tightly;
(2) steel core claw is installed: after aluminum stranded conductor claw installation, lay down handling jack internal oil pressure, the piston rod of handling jack drives the first top cylinder self-return, now unload the first top cylinder, centre mounting seat is threadeded with left-hand cylinder body, and the first indentation, there screw on prevent rotate bolt. Then steel core claw is installed in steel core periphery so that three lobe steel core claw spacing are divided equally, then at handling jack left end, the second top cylinder is installed. Preparation can operate hydraulic hand-pump after completing and suppress, and the piston rod of handling jack promotes the second top cylinder progressively inwardly to be advanced by steel core claw, holds, for steel core claw, the pretightning force that steel core provides powerful tightly;
(3) right cylinder is installed: after steel core claw installation, lay down handling jack internal oil pressure, the piston rod of handling jack drives the second top cylinder self-return, now unload the second top cylinder, right cylinder is threadeded with middle mounting seat, and the second indentation, there screw on prevent rotate bolt, complete the installation of entire card claw drawing head.
After line laying work completes, rotary connector is separated with jack catchs type drawing head, then right cylinder is separated with middle mounting seat, anchor restorer is installed to handling jack left end, wire steel core is inserted anchor restorer, anchor restorer Internal jigging clamping steel core, operation hydraulic hand-pump is suppressed, push away before the piston rod of anchor restorer, piston masthead is on middle mounting seat, at steel core under counteracting force, steel core claw will be backed off middle mounting seat, and progressively aluminum stranded conductor claw be exited, it is achieved the quick dismounting of jack catchs type drawing head.
In sum, this utility model is reasonable in design, simple in construction and compact, and aluminum stranded conductor claw and steel core claw, without crimping, only need to be clamped steel strand wires and steel core by hydraulic way by this utility model respectively, can realizing the cartridge connection of spreading conducting wire, jack catchs type drawing head installation effectiveness is high.After completing a showing and placing of the tension section, this jack catchs type drawing head can pull down aluminum stranded conductor claw and the steel core claw chucking power to spreading conducting wire, it is achieved reusing of jack catchs type drawing head, reduces waste of material, reduces construction costs.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation when aluminum stranded conductor claw is installed;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of mounting tool in this utility model;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is this utility model top view when aluminum stranded conductor claw is installed;
Fig. 6 is A-A sectional view in Fig. 1;
Fig. 7 is B-B sectional view in Fig. 1;
Fig. 8 is C-C sectional view in Fig. 1;
Fig. 9 is this utility model top view when steel core claw is installed;
Figure 10 is this utility model structural representation when dismantling steel core claw and aluminum stranded conductor claw.
Detailed description of the invention
As shown in Fig. 1-Figure 10, jack catchs type drawing head for electric power construction under tension stringing of the present utility model, including left-hand cylinder body 21, right cylinder 22 and middle mounting seat 23, left-hand cylinder body 21 internal cavity is coaxial the first cylindrical section set gradually from left to right, conical section and the second cylindrical section are constituted, conical section is conical structure left small and right large, the diameter of conical section left end and the diameter of the first cylindrical section are identical, the diameter of conical section right-hand member and the diameter of the second cylindrical section are identical, three lobe aluminum stranded conductor claws 24 it are uniformly provided with in conical section, the external form of three lobe aluminum stranded conductor claws 24 is conical structure left small and right large and suitable with conical section, three lobe aluminum stranded conductor claws 24 are centrally formed and the first cylindrical hole of the concentricity line of conical section, it is equipped with and the first draw-in groove 25 of the first left clamp 5 snap-fit engagement with rear side on front side of left-hand cylinder body 21, it is equipped with and the second draw-in groove 26 of the second left clamp 6 snap-fit engagement with rear side on front side of left-hand cylinder body 21.
The left end of right cylinder 22 is uncovered, and right cylinder 22 right-hand member is provided with connection otic placode 27, and middle mounting seat 23 is located in left-hand cylinder body 21 and right cylinder 22, and middle mounting seat 23 circumferential outer surface is connected with the second cylindrical section of left-hand cylinder body 21 and the inner thread of right cylinder 22 respectively.
The center of middle mounting seat 23 offers conical bore, cylindrical hole and holding tank 41 from right to left successively, holding tank 41 is used for holding aluminum stranded conductor, conical bore is left small and right large, the diameter of conical bore left end is be more than or equal to the diameter of cylindrical hole, three lobe steel core claws 28 it are uniformly provided with in conical bore, the external form of three lobe steel core claws 28 is conical structure left small and right large and suitable with conical bore, three lobe steel core claws 28 are centrally formed and the second cylindrical hole of the concentricity line of conical bore, and the inwall of aluminum stranded conductor claw 24 and steel core claw 28 is equipped with the helicitic texture for increasing frictional force.
Left-hand cylinder body 21 right-hand member is provided with the first breach 34, and right cylinder 22 left end is provided with the second breach 35, and middle mounting seat 23 excircle is radially provided with bolt 36 corresponding with the first breach 34 and the second breach 35 respectively.
Installation of the present utility model needs handling jack 2, the mounting tool 1 of hydraulic hand-pump and 3 one kinds of unique textures, this mounting tool 1 includes base plate 4, base plate is provided with bearing 40, base plate 4 left vertical is provided with the first left clamp 5 and the second left clamp 6, base plate 4 Right vertical is provided with the first right clamp 7, second right clamp 8, 3rd right clamp 9 and the 4th right clamp 10, first left clamp 5, second left clamp 6, 3rd right clamp 9 and the 4th right clamp 10 are arranged all along the longitudinal direction, first left clamp 5, second left clamp 6, the middle part of the 3rd right clamp 9 and the 4th right clamp 10 is equipped with penetrating the first mounting groove 11 of open top and left and right, first right clamp 7 and the second right clamp 8 are all arranged in left-right direction, penetrating the second mounting groove 12 of open top and front and back it is correspondingly provided with before and after on first right clamp 7 and the second right clamp 8, it is provided with between first left clamp 5 and the second left clamp 6 and lays respectively on front side of the first mounting groove 11 and the left gyroaxis 13 of rear side, a piece left gyroaxis 13 is rotatably connected to left FE Tiler 14, the left gyroaxis of another root 13 is rotatably connected to left fastening bolt 15, the threaded left wing nut 16 having for compressing left FE Tiler 14 on left fastening bolt 15,It is provided with between 3rd right clamp 9 and the 4th right clamp 10 and lays respectively on front side of the first mounting groove 11 and the right-hand rotation axle 17 of rear side, a piece right-hand rotation axle 17 is rotatably connected to right FE Tiler 18, another root right-hand rotation axle 17 is rotatably connected to right fastening bolt 19, the threaded right wing nut 20 having for compressing right FE Tiler 18 on right fastening bolt 19.
Front and rear on the left of handling jack 2 is equipped with and supports the alignment pin 29 being positioned in the second mounting groove 12, handling jack 2 rear portion is placed in the first mounting groove 11 on the 3rd right clamp 9 and the 4th right clamp 10, and right FE Tiler 18 is pressed on handling jack 2 by tightening right wing nut 20; Hydraulic hand-pump 3 is connected with handling jack 2 by high-pressure oil pipe 30.
The first top cylinder 31 that the left end of handling jack 2 is coaxial to be connected to for pushing up jewelling twisted wire claw 24, for pushing up the second top cylinder 32 or for dismantling the anchor restorer 33 of aluminum stranded conductor claw 24 and steel core claw 28 of compressed steel core claw 28, first top cylinder 31 and the second top cylinder 32 left end are all uncovered, and the external diameter of the first top cylinder 31 and internal diameter are respectively greater than external diameter and the internal diameter of the second top cylinder 32.
One piece of bearing rib 37 of being connected fixing with base plate 4 it is equipped with on the left of first left clamp 5, on the right side of the second left clamp 6, on rear side of the first right clamp 7 and on front side of the second right clamp 8.
Left-hand cylinder body 21 of the present utility model lies in a horizontal plane in the first mounting groove 11 on the first left clamp 5 and the second left clamp 6, left FE Tiler 14 is pressed on left-hand cylinder body 21 by tightening left wing nut 16, the first draw-in groove 25 in this utility model and the second draw-in groove 26 respectively with the first left clamp 5 and the second left clamp 6 snap-fit engagement.
Connection otic placode 27 and the right cylinder 22 of jack catchs type drawing head are integrated to be made, and right cylinder 22 is threadeded with middle mounting seat 23 left part. During for preventing Poling Construction, the left-hand cylinder body 21 of jack catchs type drawing head and right cylinder 22 relatively rotate, and offer the first breach 34, to offer the second breach 35 on right cylinder 22 spacing with bolt 36 snap-fit engagement respectively on left-hand cylinder body 21. The first draw-in groove 25 with the first left clamp 5 snap-fit engagement being respectively provided with rear side on front side of left-hand cylinder body 21, the second draw-in groove 26 with the second left clamp 6 snap-fit engagement being respectively provided with rear side on front side of left-hand cylinder body 21, jack catchs type drawing head can be made quick and easy for installation on mounting tool 1, during installation, left-hand cylinder body 21 is directly placed at the first mounting groove 11 in the first left clamp 5 and the second left clamp 6.
The design of aluminum stranded conductor claw 24 and steel core claw 28 is the taper three equal separation structure of lobe, the inner surface design of aluminum stranded conductor claw 24 and steel core claw 28 increases the screw thread of frictional force, conical bore in the conical section of left-hand cylinder body 21 and middle mounting seat 23 is respectively provided with same frustoconical bevel angle, aluminum stranded conductor and steel core are by after pulling force, the counter-force relying on conical surface pressure makes aluminum stranded conductor claw 24 and steel core claw 28 by aluminum stranded conductor and steel core locking, draws tighter and tighter.
The connection otic placode 27 of jack catchs type drawing head can support the use with rotary connector, and each parts of jack catchs type drawing head adopt machining center polish, each parts appearance looks elegant, without corner angle, meet by releasing pulley construction requirement.
Mounting tool 1 mainly includes the parts compositions such as drawing head fixing chuck plate, drawing head FE Tiler mechanism, jack clamp and jack FE Tiler mechanism.
Before and after the cylinder body of handling jack 2, the alignment pin 29 of side is located in the second mounting groove 12 on the first right clamp 7 and the second right clamp 8, realize the location of handling jack 2 right position, the postmedian of handling jack 2 is supported in the first mounting groove 11 on the 3rd right clamp 9 and the 4th right clamp 10, and use right FE Tiler 18 will load and unload jack 2 pressure holding, prevent from tilting when operation pressed by handling jack 2, it is ensured that stability.
Left FE Tiler 14 by left-hand cylinder body 21 pressure holding on the first left clamp 5 and the second left clamp 6, it is ensured that top jewelling twisted wire claw 24 and the stability of left-hand cylinder body 21 during steel core claw 28.
The critical component of jack catchs type drawing head is steel core claw 28 and aluminum stranded conductor claw 24, during the construction line-putting wire tension conduction by steel core claw 28 and aluminum stranded conductor claw 24 enclasping force to steel core and aluminum stranded conductor respectively, the mounting means of the two, the size of installation pretightening force is particularly significant. So for mounting design special mounting tool 1 and the installation tool of steel core claw 28 and aluminum stranded conductor claw 24. Concrete installation steps are as follows:
(1) aluminum stranded conductor claw 24 is installed: be first placed to by left-hand cylinder body 21 in the first mounting groove 11 on first left clamp 5 and the second left clamp 6, rotate left FE Tiler 14, tightening left wing nut 16 makes left FE Tiler 14 compress left-hand cylinder body 21, wire penetrates left-hand cylinder body 21 from left to right, aluminum stranded conductor claw 24 is arranged on aluminum stranded conductor 38 outer end and fills in conical section, and make three lobe aluminum stranded conductor claw 24 spacing divide equally, then at handling jack 2 left end, the first top cylinder 31 is installed, rotate right FE Tiler 18, tighten right wing nut 20 and make right FE Tiler 18 be fixed handling jack 2. Preparation can operate hydraulic hand-pump 3 after completing, the piston rod of handling jack 2 promotes the first top cylinder 31 progressively inwardly to be advanced by aluminum stranded conductor claw 24, holds, for aluminum stranded conductor claw 24, the pretightning force that aluminum stranded conductor 38 provides powerful tightly;
(2) steel core claw 28 is installed: after aluminum stranded conductor claw 24 installation, lay down handling jack 2 internal oil pressure, the piston rod of handling jack 2 drives the first top cylinder 31 self-return, now unload the first top cylinder 31, centre mounting seat 23 is threadeded with left-hand cylinder body 21, and the bolt 36 preventing rotating of screwing at the first breach 34 place. Then at steel core 39 peripheral installation steel core claw 28 so that three lobe steel core claw 28 spacing are divided equally, then at handling jack 2 left end, the second top cylinder 32 is installed. Preparation can operate hydraulic hand-pump 3 after completing and suppress, and the piston rod of handling jack 2 promotes the second top cylinder 32 progressively inwardly to be advanced by steel core claw 28, holds, for steel core claw 28, the pretightning force that steel core 39 provides powerful tightly;
(3) right cylinder 22 is installed: after steel core claw 28 installation, lay down handling jack 2 internal oil pressure, the piston rod of handling jack 2 drives the second top cylinder 32 self-return, now unload the second top cylinder 32, right cylinder 22 is threadeded with middle mounting seat 23, and the bolt 36 preventing rotating of screwing at the second breach 35 place, complete the installation of entire card claw drawing head.
After line laying work completes, rotary connector is separated with jack catchs type drawing head, then right cylinder 22 is separated with middle mounting seat 23, anchor restorer 33 is installed to handling jack 2 left end, wire steel core 39 is inserted anchor restorer 33, anchor restorer 33 Internal jigging clamping steel core 39, operation hydraulic hand-pump 3 is suppressed, push away before the piston rod of anchor restorer 33, piston masthead is on middle mounting seat 23, at steel core under counteracting force 39, steel core claw 28 will be backed off middle mounting seat 23, and progressively aluminum stranded conductor claw 24 be exited, it is achieved the quick dismounting of jack catchs type drawing head.
Above example is only in order to illustrative not limiting the technical solution of the utility model, although this utility model being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still this utility model can be modified or equivalent replacement, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. for the jack catchs type drawing head of electric power construction under tension stringing, it is characterized in that: include the left-hand cylinder body with same level centrage, right cylinder and middle mounting seat, left inner barrel cavity is coaxial the first cylindrical section set gradually from left to right, conical section and the second cylindrical section are constituted, conical section is conical structure left small and right large, the diameter of conical section left end and the diameter of the first cylindrical section are identical, the diameter of conical section right-hand member and the diameter of the second cylindrical section are identical, three lobe aluminum stranded conductor claws it are uniformly provided with in conical section, the external form of three lobe aluminum stranded conductor claws is conical structure left small and right large and suitable with conical section, three lobe aluminum stranded conductor claws are centrally formed and the first cylindrical hole of the concentricity line of conical section, it is equipped with the first draw-in groove with rear side on front side of left-hand cylinder body, it is equipped with the second draw-in groove with rear side on front side of left-hand cylinder body, first draw-in groove is positioned on the left of the second draw-in groove,
The left end of right cylinder is uncovered, and right cylinder right-hand member is provided with connection otic placode, and middle mounting seat is located in left-hand cylinder body and right cylinder, and middle mounting seat circumferential outer surface is connected with the second cylindrical section of left-hand cylinder body and the inner thread of right cylinder respectively;
The center of middle mounting seat offers conical bore, cylindrical hole and holding tank from right to left successively, conical bore is left small and right large, the diameter of conical bore left end is be more than or equal to the diameter of cylindrical hole, three lobe steel core claws it are uniformly provided with in conical bore, the external form of three lobe steel core claws is conical structure left small and right large and suitable with conical bore, three lobe steel core claws are centrally formed and the second cylindrical hole of the concentricity line of conical bore, and the inwall of aluminum stranded conductor claw and steel core claw is equipped with the helicitic texture for increasing frictional force.
2. the jack catchs type drawing head for electric power construction under tension stringing according to claim 1, it is characterized in that: described left-hand cylinder body right-hand member is provided with the first breach, right cylinder left end is provided with the second breach, and middle mounting seat excircle is radially provided with bolt corresponding with the first breach and the second breach respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521124255.5U CN205304106U (en) | 2015-12-31 | 2015-12-31 | A gripper -like drawing head for construction of electric power tension stringing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521124255.5U CN205304106U (en) | 2015-12-31 | 2015-12-31 | A gripper -like drawing head for construction of electric power tension stringing |
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| Publication Number | Publication Date |
|---|---|
| CN205304106U true CN205304106U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521124255.5U Active CN205304106U (en) | 2015-12-31 | 2015-12-31 | A gripper -like drawing head for construction of electric power tension stringing |
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| CN (1) | CN205304106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824051A (en) * | 2021-08-31 | 2021-12-21 | 华能莱芜发电有限公司 | Cable threading device and method |
-
2015
- 2015-12-31 CN CN201521124255.5U patent/CN205304106U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824051A (en) * | 2021-08-31 | 2021-12-21 | 华能莱芜发电有限公司 | Cable threading device and method |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181029 Address after: 450000 room 1205, hatchet tower 1, No. 11 Changchun Road, high tech Industrial Development Zone, Zhengzhou, Henan Patentee after: Zhengzhou Road Machinery Equipment Co., Ltd. Address before: 450000 building 11, Zhongyuan Road, Zhongyuan District, Zhengzhou, Henan, China 11 Patentee before: Li Yang |
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| TR01 | Transfer of patent right |