CN219387428U - Herringbone holding pole connecting device - Google Patents
Herringbone holding pole connecting device Download PDFInfo
- Publication number
- CN219387428U CN219387428U CN202320462063.3U CN202320462063U CN219387428U CN 219387428 U CN219387428 U CN 219387428U CN 202320462063 U CN202320462063 U CN 202320462063U CN 219387428 U CN219387428 U CN 219387428U
- Authority
- CN
- China
- Prior art keywords
- pole
- plate
- herringbone
- supporting plate
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses a herringbone pole connecting device which comprises pole seat legs and pole caps; the pole seat feet are connected with the herringbone pole through pole mounting holes at the top, and the pole seat feet are connected with main materials at the top of the iron tower through cross arm mounting holes at the bottom; the pole holding cap comprises a connecting flat plate, a connecting lug plate and a lifting inserting plate, wherein the connecting lug plate is fixed at the bottom of the connecting flat plate, the lifting inserting plate is fixedly connected with the connecting flat plate after penetrating through the center of the connecting flat plate, the lifting inserting plate forms a 65-degree included angle with the connecting flat plate, the pole holding cap is connected with the herringbone pole through the connecting lug plate, and the pole holding cap is connected with the pulley block through the lifting inserting plate. The device has the advantages of simple structure, light weight, flexible installation and strong universality, and can improve the lifting performance of the herringbone holding pole.
Description
Technical Field
The utility model relates to a herringbone holding pole connecting device, and belongs to the technical field of lifting of herringbone holding poles of iron towers.
Background
Generally, an inner suspension holding pole is adopted for assembly of the transmission line iron tower, but an ultra-long and overweight cross arm (200 kN-400 kN in weight and 40 m-60 m in length) of a straight line tower (a cup tower of an alternating current line and a direct current line iron tower) of an extra-high voltage line engineering is difficult to directly and integrally hoist or directly hoist in a split mode, so that the cross arm can be designed in a segmented mode during iron tower design, a main holding pole is adopted for hoisting an inner section of the cross arm, and an auxiliary hoisting system with an additional herringbone holding pole is adopted for hoisting an outer section of the cross arm.
The herringbone pole is generally of a single-limb structure, two herringbone pole heads are connected through pole caps, and the herringbone pole caps special for the market are few and complex in structure, poor in lifting capacity and universality and to be improved.
In addition, 2 mounting holes are reserved at proper positions of the end parts of the main materials of the inner sections of the cross arms in the conventional hoisting mode, and the herringbone holding rods are mounted on the main materials of the inner sections of the cross arms through herringbone holding rod seat feet used for the tops of the towers. Because the inclination of the main material of the cross arm of each tower type in the horizontal plane can have great difference along with the change of the opening size of the cross arm and the length of the cross arm, in order to ensure the hoisting performance, the cross arm structures of different tower types need to be provided with special herringbone pole seat feet, and although the design can better adapt to the cross arm structures of different tower types, the universality of the special herringbone pole seat feet is extremely poor, the rotating direction of the herringbone pole seat feet is single after being matched with the herringbone pole, the root opening range of the applicable herringbone pole is fixed, and when the root opening of the herringbone pole is slightly changed, the herringbone pole seat feet are easy to collide with the bottom structure of the holding pole to cause rotation difficulty and abrasion.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a herringbone pole connecting device, which solves the problems of weak lifting capacity of the existing pole cap, poor universality of the existing pole seat foot and single rotation direction.
In order to solve the technical problems, the utility model adopts the following technical means:
the utility model provides a herringbone pole connecting device which comprises pole seat legs and pole caps;
the top of the pole seat foot is provided with pole mounting holes, the bottom of the pole seat foot is provided with two cross arm mounting holes, the pole seat foot is connected with the herringbone pole through the pole mounting holes, and the pole seat foot is connected with the main material at the top of the iron tower through the cross arm mounting holes;
the pole holding cap comprises a connecting flat plate, a connecting lug plate and a lifting inserting plate, wherein the connecting lug plate is fixed at the bottom of the connecting flat plate, the lifting inserting plate is fixedly connected with the connecting flat plate after penetrating through the center position of the connecting flat plate, the lifting inserting plate forms a 65-degree included angle with the connecting flat plate, the pole holding cap is connected with the herringbone pole through the connecting lug plate, and the pole holding cap is connected with the pulley block through the lifting inserting plate.
Further, the pole seat foot comprises unequal angle steel, a second supporting plate, a trunnion plate and an ear plate shaft; one limb of the unequal angle steel is used as a bottom plate, two cross arm mounting holes are formed in the bottom plate, the other limb of the unequal angle steel is used as a first supporting plate, and a shaft hole is formed in the middle of the first supporting plate; the second supporting plate is fixed on one side of the bottom plate far away from the first supporting plate and is parallel to the first supporting plate, and a shaft hole is formed in the middle of the second supporting plate; the ear plate shaft penetrates through shaft holes in the first supporting plate and the second supporting plate and is movably connected with the first supporting plate and the second supporting plate; the trunnion plate is located between the first supporting plate and the second supporting plate, the bottom of the trunnion plate is fixedly connected with the trunnion shaft, and the top of the trunnion plate is provided with a holding pole mounting hole.
Further, 2 cross arm mounting holes are formed in two ends of the bottom plate.
Further, a plurality of stiffening plates are arranged between the first supporting plate and the bottom plate and between the second supporting plate and the bottom plate.
Further, the stiffening plates are symmetrically distributed on two sides of the cross arm mounting hole.
Further, the top of the trunnion plate is arc-shaped.
Further, the pole holding cap comprises 2 connecting lug plates, and one ends of the 2 connecting lug plates are respectively fixed at two ends of the bottom of the connecting flat plate; the other ends of the 2 connecting lug plates are respectively provided with a connecting hole for connecting the herringbone holding rod; the other ends of the 2 connecting lug plates are arc-shaped.
Further, the two ends of the lifting plugboard are respectively provided with lifting holes for connecting the pulley blocks, and the two ends of the lifting plugboard are arc-shaped.
The following advantages can be obtained by adopting the technical means:
the utility model provides a herringbone holding pole connecting device which comprises holding pole seat legs and holding pole caps, wherein the herringbone holding pole can be smoothly positioned on a main material of a cross arm at the top of a tower through the holding pole seat legs, and is convenient to adjust, so that the installation of an auxiliary lifting system of the herringbone holding pole is fully solved, and the lifting requirement of an ultra-long cross arm is met. The lifting plugboard of the derrick cap is fixedly connected with the connecting flat plate in a 65-degree included angle manner, so that the lifting plugboard is mainly stressed in the lifting process, the pressure transmitted to the herringbone derrick by the derrick cap is reduced, the pressure of a tower top main material supporting the herringbone derrick is further reduced, the lifting capacity of the derrick cap is improved, and the safety and reliability of the whole lifting system are improved.
The device has the advantages of simple structure, light weight, low manufacturing cost, flexible installation, strong universality and wide application range.
Drawings
Fig. 1 is a schematic structural view of a pole pedestal in an embodiment of the present utility model;
fig. 2 is a front view of a pole cap in an embodiment of the utility model;
fig. 3 is a left side view of a pole cap in an embodiment of the utility model
In the figure, 1-unequal angle steel, 2-second supporting plates, 3-trunnion plates, 4-lug shafts, 5-cross arm mounting holes, 6-shaft holes, 7-holding pole mounting holes, 8-stiffening plates, 9-connecting plates, 10-connecting lug plates, 11-lifting inserting plates, 12-connecting holes and 13-lifting holes.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
the utility model provides a herringbone holding pole connecting device which comprises holding pole seat legs and holding pole caps, wherein the holding pole seat legs are arranged on a main material at the top of an iron tower and used for supporting and fixing herringbone holding pole lifting tower pieces, and the holding pole caps are used for connecting herringbone holding poles and trolley groups for lifting.
As shown in fig. 1, the pole seat leg comprises an unequal angle steel 1, a second supporting plate 2, a trunnion plate 3 and a trunnion plate shaft 4; one limb of the unequal angle steel is used as a bottom plate, two cross arm mounting holes 5 are formed in the bottom plate, the base foot of the holding pole can be connected with a main material at the top of the iron tower through the cross arm mounting holes, the other limb of the unequal angle steel is used as a first supporting plate, and a shaft hole 6 is formed in the middle of the first supporting plate; the second supporting plate is fixed on one side of the bottom plate far away from the first supporting plate and is parallel to the first supporting plate, the length of the second supporting plate is equal to the side length of the unequal angle steel, a shaft hole is also formed in the middle of the second supporting plate, and two shaft holes in the first supporting plate and the second supporting plate are positioned on the same horizontal line; the ear plate shaft penetrates through shaft holes in the first supporting plate and the second supporting plate and is movably connected with the first supporting plate and the second supporting plate; the trunnion plate is located in the middle of first backup pad and the second backup pad, and the bottom and the trunnion shaft fixed connection of trunnion plate, and the trunnion plate can rotate along with the trunnion shaft back and forth, is equipped with the pole mounting hole 7 at the top of trunnion plate, and pole pedestal foot can be connected with the herringbone pole through the pole mounting hole, and the size of pole mounting hole is supporting with the mounting hole of herringbone pole tip.
2 mounting holes are reserved at the end part of the main material of the inner side section of the cross arm of the iron tower under most conditions, so that 2 cross arm mounting holes are also formed in the base plate of the base foot of the pole, the 2 cross arm mounting holes are formed in the central axis of the base plate, and the distance between the 2 cross arm mounting holes is equal to the distance between the mounting holes on the cross arm.
In order to improve the intensity of whole pole seat foot, be provided with a plurality of stiffening plates 8 between first backup pad and bottom plate, between second backup pad and the bottom plate, specifically, stiffening plates symmetric distribution is in the both sides of cross arm mounting hole. The stiffening plate is preferably isosceles right triangle, so that the material is saved and better supporting and reinforcing effects are achieved.
In the embodiment of the utility model, the unequal angle steel is welded with the second supporting plate, the stiffening plate is fixedly connected with the unequal angle steel and the second supporting plate in a welding mode, and the trunnion plate is fixedly connected with the trunnion plate in a welding mode.
When the pole seat leg is manufactured, in order to prevent loss of parts, the lug plate shaft and the trunnion plate are welded together, then the lug plate shaft penetrates through shaft holes of the first supporting plate and the second supporting plate, and finally the second supporting plate is welded on the bottom plate. The top of the trunnion plate is made into an arc shape so as to meet the anti-collision requirement when the herringbone holding pole rotates left and right.
As shown in fig. 2 and 3, the pole holding cap comprises 1 connecting flat plate 9, connecting lug plates 10 and a lifting plugboard 11, one ends of the 2 connecting lug plates are respectively fixed at two ends of the bottom of the connecting flat plate, and the other ends of the 2 connecting lug plates are respectively provided with a connecting hole 12 for connecting a herringbone pole holding; the lifting plugboard passes through the center of the connecting flat plate and is fixedly connected with the connecting flat plate, the lifting plugboard and the connecting flat plate form an included angle of 65 degrees (namely a=65 degrees), and the two ends of the lifting plugboard are respectively provided with lifting holes 13 for connecting the pulley blocks. The pole holding cap is connected with the top end of the herringbone pole through the connecting lug plate, so that the herringbone pole forms an integral system, and the pole holding cap is connected with the pulley block through the lifting inserting plate.
In the embodiment of the utility model, the other end of the connecting lug plate is arc-shaped, so that the opening of the herringbone holding pole root can be flexibly adjusted when the herringbone holding pole is connected by using the holding pole cap, and the grinding and touching condition of the connecting part of the connecting lug plate and the single-limb herringbone holding pole is reduced. The lifting plugboard is a whole board, and both ends of the lifting plugboard are arc-shaped, so that the tool and the tool can move conveniently during connection and the grinding collision can be reduced.
The connecting flat plate and the connecting lug plate and the connecting flat plate and the lifting plugboard are welded and fixed, and form a whole after being fixed. The 2 connecting lug plates are welded and fixedly connected with the connecting flat plate according to the maximum included angle formed by the maximum distance between the main materials of the cross arm and the length of the herringbone holding pole required by technical design, and the inclination is considered.
When the herringbone holding pole is installed, the cross arm installation holes in the holding pole seat feet are aligned with the installation holes on the cross arms, the bolts are used for fixing, then the assembled herringbone holding pole bottom installation holes are connected and fastened with the holding pole installation holes of the holding pole seat feet, then the herringbone holding pole top is connected with the connecting lug plate of the holding pole cap, and finally the herringbone holding pole is connected with the main holding pole pulley block for the tower through the lifting inserting plate of the holding pole cap and is adjusted until the required inclination angle of lifting is met.
The device has the advantages of simple structure, light weight, low manufacturing cost, flexible installation, strong universality and wide application range. The trunnion plate of the pole seat foot in the device can rotate back and forth, after being connected with the herringbone pole, the rotation of the two limbs of the herringbone pole in the direction of the main material can be ensured, then the herringbone pole is matched with the single limb to rotate left and right, the inclined adjustment of the herringbone pole in the direction of the cross arm and the adjustment of the herringbone pole root opening direction can be realized, the installation and the lifting tower of the herringbone pole are very convenient, the problem that the single limb of the herringbone pole rotates and the whole rotation is completed by different parts is solved, one type of processing for each type of tower type is not needed, the device is suitable for the lifting of various types of tower type overlength cross arms, and the universality is strong. The lifting plugboard of the pole holding cap is fixedly connected with the connecting flat plate in a 65-degree included angle manner, so that the lifting plugboard is mainly stressed in the lifting process, the pressure of the pole holding cap transmitted to the herringbone pole is reduced, the pressure of a tower top main material supporting the herringbone pole is further reduced, the lifting capacity of the pole holding cap is improved, the safety and reliability of the whole lifting system are improved, meanwhile, the bending stress borne by the lifting plugboard can be reduced due to the design of the inclined lifting plugboard, the fatigue damage caused by the bending stress during repeated use is reduced, and the service life of the pole holding cap is prolonged. In addition, the lifting plugboard is mainly stressed, so that the pole cap does not need to be subjected to uncapping operation as in the existing part design.
In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (8)
1. The herringbone pole connecting device is characterized by comprising pole seat legs and pole caps;
the top of the pole seat foot is provided with pole mounting holes, the bottom of the pole seat foot is provided with two cross arm mounting holes, the pole seat foot is connected with the herringbone pole through the pole mounting holes, and the pole seat foot is connected with the main material at the top of the iron tower through the cross arm mounting holes;
the pole holding cap comprises a connecting flat plate, a connecting lug plate and a lifting inserting plate, wherein the connecting lug plate is fixed at the bottom of the connecting flat plate, the lifting inserting plate is fixedly connected with the connecting flat plate after penetrating through the center position of the connecting flat plate, the lifting inserting plate forms a 65-degree included angle with the connecting flat plate, the pole holding cap is connected with the herringbone pole through the connecting lug plate, and the pole holding cap is connected with the pulley block through the lifting inserting plate.
2. The herringbone pole coupling of claim 1, wherein the pole mount leg comprises a non-equilateral angle steel, a second support plate, a trunnion plate, and an earplate shaft; one limb of the unequal angle steel is used as a bottom plate, a cross arm mounting hole is formed in the bottom plate, the other limb of the unequal angle steel is used as a first supporting plate, and a shaft hole is formed in the middle of the first supporting plate; the second supporting plate is fixed on one side of the bottom plate far away from the first supporting plate and is parallel to the first supporting plate, and a shaft hole is formed in the middle of the second supporting plate; the ear plate shaft penetrates through shaft holes in the first supporting plate and the second supporting plate and is movably connected with the first supporting plate and the second supporting plate; the trunnion plate is located between the first supporting plate and the second supporting plate, the bottom of the trunnion plate is fixedly connected with the trunnion shaft, and the top of the trunnion plate is provided with a holding pole mounting hole.
3. A herringbone pole coupling as claimed in claim 2, wherein 2 cross arm mounting holes are provided at both ends of the base plate.
4. A herringbone pole coupling device as claimed in claim 2, wherein a plurality of stiffening plates are provided between the first support plate and the base plate and between the second support plate and the base plate.
5. The herringbone pole coupling device of claim 4, wherein the stiffening plates are symmetrically disposed on opposite sides of the cross arm mounting hole.
6. A herringbone pole coupling as claimed in claim 2, wherein the top of the trunnion plate is arcuate.
7. The herringbone pole coupling device of claim 1, wherein the pole cap comprises 2 connecting lugs, wherein one ends of the 2 connecting lugs are respectively fixed at two ends of the bottom of the connecting flat plate; the other ends of the 2 connecting lug plates are respectively provided with a connecting hole for connecting the herringbone holding rod; the other ends of the 2 connecting lug plates are arc-shaped.
8. The herringbone pole connecting device according to claim 6, wherein lifting holes for connecting the pulley blocks are respectively formed in two ends of the lifting inserting plate, and two ends of the lifting inserting plate are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320462063.3U CN219387428U (en) | 2023-03-13 | 2023-03-13 | Herringbone holding pole connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320462063.3U CN219387428U (en) | 2023-03-13 | 2023-03-13 | Herringbone holding pole connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219387428U true CN219387428U (en) | 2023-07-21 |
Family
ID=87165863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320462063.3U Active CN219387428U (en) | 2023-03-13 | 2023-03-13 | Herringbone holding pole connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219387428U (en) |
-
2023
- 2023-03-13 CN CN202320462063.3U patent/CN219387428U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109621786B (en) | Glue production and processing system | |
| CN202346635U (en) | Tower crane capable of movably weighing | |
| CN219387428U (en) | Herringbone holding pole connecting device | |
| CN213976648U (en) | Blade anchor clamps and blade lifting device | |
| CN211769938U (en) | Pulley supporting seat, pulley block and crane boom | |
| CN221374233U (en) | Novel two-section swing universal connector | |
| CN216921386U (en) | T roof beam supporting component and T roof beam bearing structure | |
| CN218507423U (en) | Back-tilting prevention device for arm support and boom | |
| CN216065561U (en) | Reinforcing mechanism of vertical machining center spindle seat | |
| CN213920559U (en) | Mounting wheel axle with inclination angle | |
| CN212560952U (en) | Movable supporting device | |
| CN219078934U (en) | Tower crane boom pin shaft mounting device | |
| CN216665611U (en) | Supporting device and tunneling equipment thereof | |
| CN216691093U (en) | Shield constructs section of jurisdiction and assembles horizontal levelling device | |
| CN211895787U (en) | Spacing frock of detachable whereabouts | |
| CN220055985U (en) | Novel bridge crane disk crane suspension beam couple device | |
| CN216034649U (en) | Mechanism for ensuring hole coaxiality | |
| CN220484307U (en) | Combined mechanical arm and logistics storage equipment | |
| CN115959584B (en) | Inverted triangle crane boom sail structure | |
| CN215770761U (en) | But height-adjusting's transformer mounting structure | |
| CN110542352A (en) | Target device | |
| CN219611310U (en) | Iron tower ground wire support end connection structure | |
| CN215483215U (en) | Dredging ship | |
| CN216177975U (en) | Clamping equipment for bridge welding | |
| CN216126743U (en) | Single-limb welding tool on tower crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |