Power transmission line iron tower foundation insertion angle steel positioning and aligning device

Abstract

The utility model discloses a power transmission line iron tower foundation insertion angle steel positioning and aligning device which comprises two sets of positioning and aligning devices which are connected with the two sides of angle steel respectively and are arranged perpendicularly, and each set of positioning and aligning device comprises a right-hand and left-hand threaded rod, an adjusting handle, a connecting plate and an extension rod. Nuts are welded to the connecting plate and the extension rod and matched with the screw, the connecting plate is connected with one side of the insertion angle steel, and the extension rod is connected with the fixing rod inserted into the ground. The positioning and aligning device is convenient to process and manufacture on a construction site, and required material components are common construction materials for a power transmission line engineering project; the positioning and aligning device is high in strength, can be pulled or pressed, can be mounted on any side of the foundation pit, and is convenient for reserving a construction channel on site; according to the positioning alignment device, the positive and negative thread integrated screw rod is used, the adjustment stroke is long, and alignment adjustment can be completed by adjusting the handle with one hand. The utility model has the advantages of simple operation, low cost, high safety and good practical value.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power engineering construction, and belongs to the technical field of auxiliary equipment design in the construction of transmission line tower foundations. Specifically, it is an installation positioning and reinforcement device for positioning and aligning the inserted angle steel of the tower foundation. Background Technique

[0002] In the construction of transmission line tower foundations, the inserted angle steel is a common connecting component between the foundation and the tower, which needs to be embedded in the concrete during foundation construction. Before the concrete foundation pouring construction, the inserted angle steel is pre-fixed in the concrete foundation steel bars. The positioning and alignment of the inserted angle steel are the core processes and key points of technical control in foundation construction. If the positioning deviates from the permitted error, it will lead to difficulties in tower erection or even impossible tower erection. Summary of the Invention

[0003] The utility model provides a positioning and alignment device for the inserted angle steel of a transmission line tower foundation according to the deficiencies of the prior art. The purpose of the utility model is to provide a device that can effectively solve the problem that the inserted angle steel is easily displaced due to the influence of concrete pouring vibration during construction, and realize the fixation and positioning adjustment of the inserted angle steel.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A positioning and alignment device for the inserted angle steel of a transmission line tower foundation, which is used to position and adjust the inserted angle steel pre-fixed in the concrete of the tower foundation; it is characterized in that: two sets of positioning and alignment devices are connected to both sides of the angle steel respectively, and the two sets of positioning and alignment devices are arranged perpendicular to each other;

[0006] Each set of positioning and alignment devices includes: a positive and reverse screw rod, with threads of opposite directions arranged at both ends of the positive and reverse screw rod, and an adjustment handle is vertically fixed in the middle; a connecting plate, which is welded to the front-end nut, and the connecting plate is used to be vertically connected to one side of the inserted angle steel through bolts perpendicular to the longitudinal direction of the angle steel, and the front-end nut is threadedly combined with one end of the positive and reverse screw rod; an extension rod, which is welded to the rear-end nut, and the rear-end nut is threadedly combined with the other end of the positive and reverse screw rod, and the rear end of the extension rod is supported and fixed by a fixing rod inserted into the ground.

[0007] Furthermore, the fixing rod has a sharp end for inserting into the ground, and the fixing rod is connected to the extension rod through a cross-shaped fastener.

[0008] Furthermore, the cross-shaped fastener includes a connecting shaft, which is used to pass through the through holes provided in the fixing rod and the extension rod, and rotatably connects the fixing rod and the extension rod. One end of the connecting shaft is perpendicularly welded with a horizontal shaft, and the other end is provided with external threads to be combined with the internal threads of the perforation in the middle of another horizontal shaft to form a cross-shaped fastener.

[0009] Furthermore, the extension rod is a hollow sleeve, the inner diameter of the sleeve is larger than the diameter of the left - hand and right - hand screw rod, the rear nut is welded and fixed at the front - end opening, and the sleeve is sleeved on the left - hand and right - hand screw rod.

[0010] Furthermore, bolt perforations for connecting with the inserted angle steel are arranged at the end of the connecting plate.

[0011] Furthermore, the adjusting handle is a cross - shaped driving handle perpendicular to the longitudinal direction of the left - hand and right - hand screw rod and welded and fixed to the left - hand and right - hand screw rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The positioning and alignment device of the utility model is convenient for on - site processing and production, and the required material components are all common construction materials for transmission line engineering projects. The positioning and alignment device has high strength, can be in tension or compression, can be installed on any side of the foundation pit, and is convenient for reserving construction channels on site; the traditional alignment device has insufficient strength and can generally only be installed on the outside of the foundation pit to keep itself in tension. The regulator of the positioning and alignment device of the utility model uses a left - hand and right - hand screw rod integrated with a screw, and the adjustment stroke of the left - hand and right - hand screw rod is long, which is twice the adjustment stroke of the traditional turnbuckle regulator; the adjusting handle can complete the alignment adjustment with one hand. The utility model is simple to operate, low in cost, high in safety, and has good practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the screw part of the positioning and alignment device of the utility model;

[0015] Figure 2 is a schematic diagram of the positioning and alignment device of the utility model;

[0016] Figure 3 is a schematic diagram of the application state of the positioning and alignment device of the utility model;

[0017] Reference numerals in the drawings:

[0018] 1 - left - hand and right - hand screw rod, 2 - adjusting handle, 3 - front nut, 4 - rear nut, 5 - connecting plate, 6 - extension rod, 7 - fixed rod, 8 - cross fastener, 9 - fixing bolt, 10 - inserted angle steel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following further describes the utility model in conjunction with the specific embodiments. The specific embodiments are further explanations of the principle of the utility model and do not limit the utility model in any way. The technologies identical or similar to the utility model do not exceed the protection scope of the utility model.

[0020] Combined with the attached drawings.

[0021] As shown in the figure, the utility model provides a positioning and alignment device for the inserted angle steel of the transmission line tower foundation. The device is composed of a connecting plate 5, an adjusting left - right hand screw rod 1, an extension rod 6, and a fixing rod 7.

[0022] As shown in the figure, in this example, the connecting plate 5 is a Q345 steel plate. One hole with a diameter of 16 mm and one hole with a diameter of 24 mm are opened at the front end of the connecting plate 5, which is convenient for using different bolts to connect different specifications of inserted angle steels 10.

[0023] The left - right hand screw rod 1 consists of a carbon steel screw rod with left - hand and right - hand threads integrated. Both ends of the left - right hand screw rod 1 are provided with screw rods and two matching nuts to form a telescopic adjustment structure. Among them, in this example, the length of the left - right hand screw rod 1 is 0.8 - 1 m, there is no thread in the middle section, and there are left - hand and right - hand threads at both ends. A cross - shaped steel bar is vertically welded in the middle of the left - right hand screw rod 1 as an adjustment handle 2.

[0024] A front - end nut 3 is welded and fixed behind the connecting plate 5. The front - end nut 3 is in threaded cooperation with one end of the left - right hand screw rod 1.

[0025] The extension rod 6 is a thin - wall steel pipe. The rear - end nut 4 is embedded in the steel pipe of the extension rod 6 and welded and fixed. The rear - end nut 4 is in threaded cooperation with the other end of the left - right hand screw rod 1. The length of the extension rod 6 is processed according to the scale of the engineering foundation pit.

[0026] The fixing rod 7 is a thin - wall steel pipe. One end is cut at a 45 - degree bevel for easy insertion into the ground. The fixing rod 7 is connected to the extension rod 6 through a cross - shaped fastener 8.

[0027] The cross - shaped fastener 8 includes a connecting shaft. The connecting shaft is used to pass through the through - holes provided in the fixing rod and the extension rod, and rotatably connect the fixing rod and the extension rod. One end of the connecting shaft is vertically welded with a horizontal shaft, and the other end is provided with external threads that are combined with the internal threads of the perforation in the middle of another horizontal shaft to form a cross - shaped fastener.

[0028] As shown in the figure, the positioning and alignment device is composed of a left - right hand screw rod 1, an adjustment handle 2, a front - end nut 3, a rear - end nut 4, a connecting plate 5, an extension rod 6, a fixing rod 7, and a cross - shaped fastener 8. By welding and fixing the front - end nut 3 of the adjuster to the connecting plate 5, welding and fixing the rear - end nut 4 to the opening of the extension rod 6 pipe, and connecting the extension rod 6 and the fixing rod 7 through the cross - shaped fastener 8, a set of fixing and alignment devices for the inserted angle steel 10 is formed.

[0029] When using this alignment device, connect the connecting plate 5 of the first set of fixing and alignment devices to the inserted angle steel 10 through a fixing bolt 9, and hammer the fixing rod 7 into the ground for fixation. Then, connect the connecting plate 5 of the second set of fixing and alignment devices to the other limb of the inserted angle steel 10 through a fixing bolt 9, and also hammer the fixing rod 7 of the second set of fixing and alignment devices into the ground for fixation. After installing the two sets of fixing and alignment devices on the two limbs of the inserted angle steel 10, by respectively rotating the adjustment handles 2 of the two sets of devices, the inserted angle steel 10 can be driven to move axially in the extension rod 6 of the fixing and alignment device, realizing the positioning adjustment of the inserted angle steel 10.

Claims

1. A positioning and alignment device for the inserted angle steel of a transmission line tower foundation, which is used to position and adjust the inserted angle steel pre-fixed in the concrete of the tower foundation; characterized in that: Two sets of positioning and alignment devices are respectively connected to both sides of the angle steel, and the two sets of positioning and alignment devices are arranged perpendicular to each other. Each set of positioning and alignment devices includes: a left - and - right - hand screw, with threads of opposite helix directions arranged at both ends of the left - and - right - hand screw, and an adjustment handle is vertically and fixedly arranged in the middle; a connecting plate, which is welded to the front - end nut, and the connecting plate is used to be vertically connected to one side of the inserted angle steel through bolts perpendicular to the longitudinal direction of the angle steel, and the front - end nut is threadedly engaged with one end of the left - and - right - hand screw; an extension rod, which is welded to the rear - end nut, and the rear - end nut is threadedly engaged with the other end of the left - and - right - hand screw, and the rear end of the extension rod is supported and fixed by a fixing rod inserted into the ground.

2. The positioning and alignment device for the inserted angle steel of the transmission line tower foundation according to claim 1, characterized in that: The fixing rod has a sharp end for inserting into the ground, and the fixing rod is connected to the extension rod through a cross - shaped fastener.

3. The positioning and alignment device for the inserted angle steel of the transmission line tower foundation according to claim 2, wherein: The cross - shaped fastener includes a connecting shaft, which is used to pass through the through - holes provided in the fixing rod and the extension rod and rotatably connect the fixing rod and the extension rod. One end of the connecting shaft is vertically welded with a horizontal shaft, and the other end is provided with external threads to be combined with the internal threads of the perforation in the middle of another horizontal shaft to form a cross - shaped fastener.

4. The positioning and alignment device for the inserted angle steel of the transmission line tower foundation according to claim 1, wherein: The extension rod is a hollow sleeve, the inner diameter of the sleeve is larger than the diameter of the left - and - right - hand screw, and the rear - end nut is welded and fixed at the front - end opening and sleeved on the left - and - right - hand screw.

5. The positioning and alignment device for the inserted angle steel of the transmission line tower foundation according to claim 1, characterized in that: The end of the connecting plate is provided with bolt perforations for connecting with the inserted angle steel.

6. The positioning and alignment device for the inserted angle steel of the transmission line tower foundation according to claim 1, characterized in that: The adjustment handle is a cross - shaped driving handle that is perpendicular to the longitudinal direction of the left - and - right - hand screw and is welded and fixed to the left - and - right - hand screw.

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