Suspension derrick tower leg steering pulley experiment tool

Abstract

The invention belongs to the technical field of power transmission line construction, and particularly relates to a tool for a suspension derrick tower leg steering pulley experiment. Comprising a main bottom plate, and a first U-shaped hanging ring part, a connecting base part and a second U-shaped hanging ring part are arranged on the main bottom plate; the first U-shaped hanging ring part comprises a supporting vertical base, a movable support is connected to the side face of the supporting vertical base, a rotating ring sleeve is connected to the movable support, and a first U-shaped hanging ring is connected to the rotating ring sleeve; the connecting base part comprises a connecting guide rail which is connected with a connecting base; the second U-shaped hanging ring part comprises a supporting vertical lug fixedly arranged on the main bottom plate, the supporting vertical lug is rotationally connected with a rotating shaft rod, and the rotating shaft rod is connected with a second U-shaped hanging ring; the device can effectively assist a worker in testing the structural strength of the leg steering tackle in the suspended derrick tower, is suitable for various tackle specifications and test condition requirements, improves the test efficiency, and guarantees the stable and safe operation of the leg steering tackle in the construction of the suspended derrick tower.

Description

Technical Field

[0001] The invention belongs to the technical field of power transmission line construction, and in particular relates to a tooling for experimenting with a steering pulley for a suspended pole group tower leg. Background Art

[0002] The construction of transmission lines includes the foundation construction of transmission lines, the construction of transmission line towers and wires, and the maintenance and overhaul of transmission lines. The foundation construction requires foundation excavation, pit drainage, backfilling of tower foundation pits, and other operations; the towers mainly play the role of supporting the transmission lines, and the construction is mainly considered from three aspects: the stress of the transmission lines, the external structure of the towers, and the assembly method of the towers. The service life of the towers is relatively long. In order to ensure that the towers have a strong bearing capacity, the towers must have strong rigidity and hardness. The wire construction mainly includes pre-construction preparations, connecting the wires and grounding wires, tracking and observing the slack of the lines, installing auxiliary components of the transmission lines, and tightening the lines. The wire construction needs to comprehensively consider the relationship between the wire style and the wire requirements, and select the appropriate wire laying method based on the actual situation of the wire construction. Suspended pole tower assembly is the main method of pole tower construction, which includes construction preparation, pole erection, ground tower assembly, pole lifting, tower upper hoisting, pole removal, tower maintenance and other steps. When performing pole erection, pole lifting, tower upper hoisting and other operations, the cooperation of the steering pulley is required. Therefore, the stability and structural strength of the steering pulley need to be guaranteed. It is necessary to provide a suspended pole tower assembly leg steering pulley experimental tooling to assist in testing it and ensure safe and stable construction. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a test tool for the leg steering pulley of a suspended boom tower, which can effectively assist staff in conducting structural strength tests on the leg steering pulleys in the suspended boom tower, adapt to various pulley specifications and test conditions, improve test efficiency, and ensure the stable and safe operation of the leg steering pulleys during the construction of the suspended boom tower.

[0004] The object of the present invention is achieved as follows: A suspended pole assembly tower leg steering pulley test tooling comprises a main bottom plate, on which a first U-shaped hanging ring portion, a connecting base portion, and a second U-shaped hanging ring portion are sequentially arranged from left to right; The first U-shaped hanging ring portion includes a supporting stand fixedly arranged on the main bottom plate, a movable support is slidably connected to the side surface of the supporting stand, a rotating ring sleeve is rotatably connected to the movable support, the axis of the rotating ring sleeve when rotating is parallel to the length direction of the main bottom plate, and the rotating ring sleeve is connected to the first U-shaped hanging ring; The connecting base portion includes a connecting rail arranged on the main base plate, and the connecting rail is connected to a connecting base; The second U-shaped hanging ring portion includes a supporting ear fixedly arranged on the main bottom plate, the supporting ear is rotatably connected to a rotating shaft rod, the rotating shaft rod is connected to the second U-shaped hanging ring, and the axis of the rotating shaft rod when rotating is parallel to the width direction of the main bottom plate.

[0005] Furthermore, the support stand comprises a support vertical plate fixedly arranged on the main bottom plate, a vertical plate reinforcement plate is connected to the left side surface of the support vertical plate, and the bottom of the vertical plate reinforcement plate is connected to the main bottom plate.

[0006] Furthermore, a T-shaped guide plate is fixedly provided on the right side surface of the supporting vertical plate, and the movable support includes a connecting vertical plate. A connecting hanging plate is provided on the left side surface of the connecting vertical plate, and the connecting hanging plate is slidably connected with the T-shaped guide plate.

[0007] Furthermore, a hanging column is fixedly provided on the right side surface of the connecting vertical plate, and a hanging baffle is fixedly connected to the end of the hanging column. The rotating ring sleeve is sleeved on the outside of the hanging column and is rotatably connected thereto; the rotating ring sleeve can be blocked in the axial direction by the hanging baffle.

[0008] Furthermore, the rotating ring sleeve is composed of two hanging half ring sleeves, and the ends of the two hanging half ring sleeves are connected by a bolt pair; the hanging half ring sleeve is provided with a connecting vertical ear, the first U-shaped hanging ring is connected to the connecting vertical ear, and can be fixed by a locking nut.

[0009] Furthermore, an adjustment mechanism is provided on the support seat, the adjustment mechanism is connected to the movable support, and the adjustment mechanism is used to drive the movable support to move up and down.

[0010] Furthermore, the adjustment mechanism includes an adjustment support plate arranged on the supporting vertical plate and a lower seat arranged on the main bottom plate, the adjustment support plate is provided with an upper seat, an adjustment screw is rotatably connected between the lower seat and the upper seat, the upper end of the adjustment screw passes through the upper seat and is connected to an adjustment cap; a drive plate is provided on the right side surface of the connecting vertical plate, the adjustment screw passes through the drive plate and is threadedly connected thereto; the adjustment screw can be operated to rotate by the adjustment cap.

[0011] Furthermore, a connecting guide plate is provided on the main base plate, and two adjacent connecting guide plates form the connecting guide rail. The connecting base is in an inverted U shape as a whole, and a connecting hole is provided on the connecting base. Avoidance holes are provided at positions corresponding to the connecting base on the main base plate; a fixed seat is provided on the side of the connecting guide plate, and a fixing bolt passes through the fixed seat to fix the connecting guide rail and the connecting base, and a reinforcing base is provided at the bottom of the main base plate.

[0012] Furthermore, sleeve connectors are provided on the left and right side surfaces of the supporting ears, the rotating shaft rod passes through the sleeve connector and is rotatably connected thereto, the rotating shaft rod is fixedly connected to a shaft connector, the shaft connector is provided with a hanging ring connector, and the hanging ring connector is connected to the second U-shaped hanging ring.

[0013] The beneficial effects of the present invention are as follows: the first U-shaped hanging ring part is composed of a supporting seat, a movable support, a rotating ring sleeve and a first U-shaped hanging ring; the height position of the movable support on the supporting seat can be adjusted, so as to adjust the overall height of the first U-shaped hanging ring according to actual needs, so as to adapt to the requirements of pulleys of different sizes and the inclination of the pull rope; in the process of connecting with the pull rope, the direction of the first U-shaped hanging ring can be adjusted by rotating the rotating ring sleeve, so as to avoid the connection inconvenience and pull rope torsional stress caused by the twisting of the pull rope; the connecting base part is composed of a connecting guide rail and a connecting base, and the steering pulley to be tested can be connected and fixed by the connecting base, and the connecting The position of the base on the connecting guide rail adjusts the distance between it and the first U-shaped hanging ring part to adapt to the requirements of pulleys of different sizes and pull ropes of different lengths during actual testing; the second U-shaped hanging ring part includes a supporting ear and a second U-shaped hanging ring rotatably connected thereto, which can adapt to the pulling forces in different directions through the rotation of the second U-shaped hanging ring, thereby further improving the adaptability of the tooling of the present invention during use; a tooling for experimenting with the leg steering pulley of a suspended boom tower group according to the present invention has a reasonable structure and is easy to use. It can effectively assist the staff in performing structural strength tests on the leg steering pulleys in the suspended boom tower group, adapts to various pulley specifications and test conditions, improves test efficiency, and ensures the stable and safe operation of the leg steering pulleys during the construction of the suspended boom tower group. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 The figure is a three-dimensional structural schematic diagram of a tooling for a suspended arm tower leg steering pulley experiment.

[0016] Figure 2 This is a schematic structural diagram of a suspended arm tower leg steering pulley test tooling from the front.

[0017] Figure 3This is a schematic diagram of the structure of a suspended arm tower leg steering pulley test tooling from a top view.

[0018] Figure 4 This is a structural schematic diagram of the left view of a tooling for a suspended boom tower leg steering pulley experiment.

[0019] Figure 5 The present invention is a structural schematic diagram of the first U-shaped hanging ring part of a tooling for a suspended arm tower leg steering pulley experiment.

[0020] Figure 6 The present invention is a structural schematic diagram of a suspended arm tower leg steering pulley experimental tooling connected to the base portion.

[0021] Figure 7 The present invention is a structural schematic diagram of the second U-shaped hanging ring part of a tooling for a suspended arm tower leg steering pulley experiment. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up-down-left-right-front-back...) are only used to explain the relative position relationship - movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.

[0026] like Figure 1-7 As shown, a suspended pole assembly tower leg steering pulley test tool of the present invention comprises a main bottom plate 6, on which a first U-shaped hanging ring portion, a connecting base portion, and a second U-shaped hanging ring portion are sequentially arranged from left to right; The first U-shaped hanging ring portion includes a support stand 1 fixedly arranged on the main bottom plate 6, a movable support 3 is slidably connected to the side of the support stand 1, a rotating ring sleeve 4 is rotatably connected to the movable support 3, the axis of the rotating ring sleeve 4 when rotating is parallel to the length direction of the main bottom plate 6, and the rotating ring sleeve 4 is connected to the first U-shaped hanging ring 5; The connecting base portion includes a connecting rail disposed on the main bottom plate 6, and the connecting rail is connected to a connecting base 8; The second U-shaped hanging ring portion includes a supporting ear 10 fixedly arranged on the main base plate 6, and the supporting ear 10 is rotatably connected to a rotating shaft 32, and the rotating shaft 32 is connected to the second U-shaped hanging ring 11, and the axis of the rotating shaft 32 when rotating is parallel to the width direction of the main base plate 6.

[0027] When the suspended arm group tower leg steering pulley experimental tooling of the present invention is in use, the steering pulley to be tested can be connected and fixed by the connecting base 8, and the distance between the connecting base 8 and the first U-shaped hanging ring part can be adjusted by adjusting the position of the connecting base 8 on the connecting guide rail to adapt to the requirements of pulleys of different sizes and pull ropes of different lengths during the actual test process; the height position of the movable support 3 on the supporting stand 1 can be adjusted to adjust the overall height of the first U-shaped hanging ring 5 according to actual needs to adapt to the requirements of pulleys of different sizes and the inclination of the pull rope; in the process of connecting with the pull rope, the direction of the first U-shaped hanging ring 5 can be adjusted by rotating the rotating ring sleeve 4 to avoid connection inconvenience and pull rope torsional stress caused by twisting of the pull rope; the second U-shaped hanging ring 11 can be rotated to adapt to the pulling forces in different directions, further improving the adaptability of the tooling of the present invention during use.

[0028] Furthermore, in one embodiment, the support stand 1 includes a support stand 12 fixedly arranged on the main base plate 6, and a stand reinforcement plate 13 is connected to the left side surface of the support stand 12, and the bottom of the stand reinforcement plate 13 is connected to the main base plate 6; the structure is simple and reasonable, and the support stand 12 is supported and strengthened by the stand reinforcement plate 13 to ensure the overall structural strength and stability of the support stand 1.

[0029] Furthermore, in one embodiment, a T-shaped guide plate 17 is fixedly provided on the right side surface of the supporting vertical plate 12, and the movable support 3 includes a connecting vertical plate 14, and a connecting hanging plate 16 is provided on the left side surface of the connecting vertical plate 14, and the connecting hanging plate 16 is connected to the T-shaped guide plate 17 by sliding cooperation; through the sliding cooperation connection between the connecting hanging plate 16 and the T-shaped guide plate 17, the overall height of the movable support 3 can be adjusted, the structure is simple and reasonable, and the operation is convenient and quick.

[0030] Furthermore, in one embodiment, a hanging column 15 is fixedly provided on the right side surface of the connecting vertical plate 14, and a hanging baffle 22 is fixedly connected to the end of the hanging column 15, and the rotating ring sleeve 4 is sleeved on the outside of the hanging column 15 and rotatably connected thereto; the rotating ring sleeve 4 can be blocked in the axial direction by the hanging baffle 22 to withstand the tension of the pull rope during the test, and the direction of the first U-shaped hanging ring 5 can be adjusted by the rotational cooperation connection between the rotating ring sleeve 4 and the hanging column 15 to facilitate the connection of the hanging rope and the release of its torsional force.

[0031] Furthermore, in one embodiment, the rotating ring sleeve 4 is composed of two hanging half ring sleeves 24, and the ends of the two hanging half ring sleeves 24 are connected by a bolt pair 23; a connecting vertical ear 25 is provided on the hanging half ring sleeve 24, and the first U-shaped hanging ring 5 is connected to the connecting vertical ear 25 and can be fixed by a locking nut 26; the structure is simple and reasonable, and the connection is convenient and efficient.

[0032] Furthermore, in one embodiment, an adjustment mechanism 2 is provided on the support seat 1, and the adjustment mechanism 2 is connected to the movable support 3, and the adjustment mechanism 2 is used to drive the movable support 3 to move up and down; the height position of the movable support 3 can be adjusted as needed, and the operation is convenient and the adaptability is strong.

[0033] Furthermore, in one embodiment, the adjustment mechanism 2 includes an adjustment support plate 27 arranged on the supporting vertical plate 12 and a lower seat 21 arranged on the main bottom plate 6, the adjustment support plate 27 is provided with an upper seat 19, an adjustment screw 18 is rotatably connected between the lower seat 21 and the upper seat 19, the upper end of the adjustment screw 18 passes through the upper seat 19 and is connected with an adjustment cap 20; a driving plate is provided on the right side surface of the connecting vertical plate 14, the adjusting screw 18 passes through the driving plate and is threadedly connected to it; the adjusting screw 18 can be operated to rotate by the adjusting cap 20, thereby driving the driving plate threadedly connected to it to move up and down, thereby driving the connecting vertical plate 14 to move, thereby realizing the adjustment of the height position of the first U-shaped hanging ring 5.

[0034] Furthermore, in one embodiment, a connecting guide plate 7 is provided on the main base plate 6, and two adjacent connecting guide plates 7 form the connecting guide rail. The connecting base 8 is in an inverted U shape as a whole, and a connecting hole 29 is provided on the connecting base 8. An avoidance hole 30 is provided at a position corresponding to the connecting base 8 on the main base plate 6; a fixed seat 31 is provided on the side of the connecting guide plate 7, and a fixing bolt 28 passes through the fixed seat 31 to fix the connecting guide rail and the connecting base 8. At the same time, the position of the connecting base 8 on the connecting guide rail can be adjusted as needed, which is convenient to operate and has strong adaptability; a reinforcing base plate 9 is provided at the bottom of the main base plate 6 to ensure its overall structural strength.

[0035] Furthermore, in one embodiment, sleeve connectors 35 are provided on the left and right side surfaces of the supporting ear 10, the rotating shaft rod 32 passes through the sleeve connector 35 and is rotatably connected thereto, the rotating shaft rod 32 is fixedly connected to a shaft rod connector 34, the shaft rod connector 34 is provided with a hanging ring connector 33, and the hanging ring connector 33 is connected to the second U-shaped hanging ring 11; the inclination of the second U-shaped hanging ring 11 can be adjusted by rotating the rotating shaft rod 32, and the operation is convenient and quick.

[0036] In summary, the present invention is a suspended pole group tower leg steering pulley test tooling, the first U-shaped hanging ring part is composed of a supporting seat 1, a movable support 3, a rotating ring sleeve 4 and a first U-shaped hanging ring 5; the height position of the movable support 3 on the supporting seat 1 can be adjusted to adjust the overall height of the first U-shaped hanging ring 5 according to actual needs, so as to adapt to the requirements of pulleys of different sizes and the inclination of the pull rope; in the process of connecting with the pull rope, the direction of the first U-shaped hanging ring 5 can be adjusted by rotating the rotating ring sleeve 4 to avoid connection inconvenience and pull rope torsional stress caused by torsion of the pull rope; the connecting base part is composed of a connecting guide rail and a connecting base 8, and the connecting base 8 can be used to connect and fix the steering pulley to be tested, and the connecting base can be adjusted The position of the seat 8 on the connecting guide rail adjusts the distance between it and the first U-shaped hanging ring part to adapt to the requirements of pulleys of different sizes and pull ropes of different lengths during the actual test process; the second U-shaped hanging ring part includes a supporting ear 10 and a second U-shaped hanging ring 11 rotatably connected thereto, which can adapt to the pulling forces in different directions through the rotation of the second U-shaped hanging ring 11, thereby further improving the adaptability of the tooling of the present invention during use; the tooling for the experiment of the leg steering pulley of the suspended boom tower group of the present invention has a reasonable structure and is easy to use. It can effectively assist the staff to perform structural strength tests on the leg steering pulleys in the suspended boom tower group, adapt to various pulley specifications and test conditions, improve test efficiency, and ensure the stable and safe operation of the leg steering pulleys during the construction of the suspended boom tower group.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A tooling for testing the steering pulley of the legs of a suspended mast tower assembly, characterized in that: It comprises a main bottom plate (6), on which a first U-shaped hanging ring portion, a connecting base portion and a second U-shaped hanging ring portion are arranged in sequence from left to right; The first U-shaped hanging ring portion comprises a supporting stand (1) fixedly arranged on the main bottom plate (6), a movable support (3) is slidably connected to the side surface of the supporting stand (1), a rotating ring sleeve (4) is rotatably connected to the movable support (3), the axis of the rotating ring sleeve (4) when rotating is parallel to the length direction of the main bottom plate (6), and the rotating ring sleeve (4) is connected to the first U-shaped hanging ring (5); The connecting base portion comprises a connecting guide rail arranged on the main base plate (6), and the connecting guide rail is connected to a connecting base (8); The second U-shaped hanging ring portion comprises a supporting ear (10) fixedly arranged on the main bottom plate (6), the supporting ear (10) being rotatably connected to a rotating shaft (32), the rotating shaft (32) being connected to the second U-shaped hanging ring (11), and the axis of the rotating shaft (32) when rotating is parallel to the width direction of the main bottom plate (6).

2. A suspended arm tower leg steering pulley test tool as claimed in claim 1, characterized in that: The support stand (1) comprises a support stand (12) fixedly arranged on the main bottom plate (6), a stand reinforcement plate (13) being connected to the left side surface of the support stand (12), and a bottom of the stand reinforcement plate (13) being connected to the main bottom plate (6).

3. A suspended arm tower leg steering pulley test tool as claimed in claim 2, characterized in that: A T-shaped guide plate (17) is fixedly arranged on the right side surface of the supporting vertical plate (12), and the movable support (3) comprises a connecting vertical plate (14). A connecting hanging plate (16) is arranged on the left side surface of the connecting vertical plate (14), and the connecting hanging plate (16) is connected to the T-shaped guide plate (17) in a sliding manner.

4. A suspended arm tower leg steering pulley test tool as claimed in claim 3, characterized in that: A hanging column (15) is fixedly provided on the right side surface of the connecting vertical plate (14), a hanging baffle (22) is fixedly connected to the end of the hanging column (15), and the rotating ring sleeve (4) is sleeved on the outside of the hanging column (15) and is rotatably connected thereto.

5. The suspended arm tower leg steering pulley test tooling as claimed in claim 1, characterized in that: The rotating ring sleeve (4) is composed of two hanging half ring sleeves (24), and the ends of the two hanging half ring sleeves (24) are connected by a bolt pair (23); the hanging half ring sleeve (24) is provided with a connecting ear (25), and the first U-shaped hanging ring (5) is connected to the connecting ear (25).

6. The suspended arm tower leg steering pulley test tooling as claimed in claim 3, characterized in that: The support stand (1) is provided with an adjustment mechanism (2), the adjustment mechanism (2) is connected to the movable support (3), and the adjustment mechanism (2) is used to drive the movable support (3) to move up and down.

7. A suspended arm tower leg steering pulley test tool as claimed in claim 6, characterized in that: The adjustment mechanism (2) comprises an adjustment support plate (27) arranged on the supporting upright plate (12) and a lower connecting seat (21) arranged on the main bottom plate (6); an upper connecting seat (19) is arranged on the adjustment support plate (27); an adjustment screw (18) is rotatably connected between the lower connecting seat (21) and the upper connecting seat (19); the upper end of the adjustment screw (18) passes through the upper connecting seat (19) and is connected to an adjustment cap (20); a driving plate is arranged on the right side surface of the connecting upright plate (14); the adjustment screw (18) passes through the driving plate and is threadedly connected to the driving plate.

8. The suspended arm tower leg steering pulley test tooling as claimed in claim 1, characterized in that: A connecting guide plate (7) is provided on the main bottom plate (6), two adjacent connecting guide plates (7) form the connecting guide rail, the connecting base (8) is in an inverted U shape as a whole, a connecting hole (29) is provided on the connecting base (8), and an avoidance hole (30) is provided on the main bottom plate (6) at a position corresponding to the connecting base (8).

9. The suspended arm tower leg steering pulley test tooling as claimed in claim 1, characterized in that: The left and right side surfaces of the supporting ears (10) are provided with sleeve connectors (35), the rotating shaft (32) passes through the sleeve connector (35) and is rotatably connected thereto, the rotating shaft (32) is fixedly connected to a shaft connector (34), the shaft connector (34) is provided with a hanging ring connector (33), and the hanging ring connector (33) is connected to the second U-shaped hanging ring (11).

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