Splicing sleeve straightener for overhead transmission line construction

Abstract

The utility model discloses a splicing sleeve straightener for overhead transmission line construction, which relates to the technical field of electric power engineering equipment and comprises a supporting seat, a straightening mechanism is arranged at the top end of the supporting seat, and the straightening mechanism is used for straightening a splicing sleeve; symmetrically-distributed bases are welded to the two sides of the supporting seat correspondingly, sliding frames are slidably connected to the outer sides of the bases, and the bases are used for supporting and guiding the sliding frames. According to the utility model, the supporting shafts are connected between the fixed seat and the sliding frame and between the movable seat and the mounting plate through the bearings, so that the fixed seat and the movable seat can adaptively deflect and transversely move, thereby preventing more scratches caused by friction between the connecting pipe and the contact parts of the movable seat and the fixed seat in the process that the connecting pipe becomes straight from bending; the quality of the splicing sleeve is ensured; through the cooperation of the damping pad and the friction increasing mechanism, the slippage frame is prevented from shifting when the splicing sleeve is fixed, and the positioning convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power engineering equipment technical field, concretely is a kind of overhead transmission line construction with splicing pipe straightener. BACKGROUND

[0002] Splicing pipe, refers to the compression type strain clamp and liquid oil compression type splicing pipe, repair pipe for transmission line, is an important component of transmission line, and the quantity is huge in each voltage level transmission line.In the construction process, due to process, equipment and other reasons, part of splicing pipe is bent after compression or pay-off, and the bending degree exceeding 2% will be regarded as unqualified, especially conductor compression pipe, since the outer tube mainly bearing electric function is made of aluminum, length is relatively long, and it is very easy to bend, but the inner tube mainly bearing mechanical load is made of steel, length is short, and it is not easy to bend, and the transmission line construction specification stipulates that the joint tensile strength after conductor compression shall not be less than 95% of the conductor calculated tensile force, so most of the bent compression pipe can still meet the requirements after correction, so splicing pipe correction operation is a very important project in transmission line operation and inspection.

[0003] According to the straightening device for splicing pipe for overhead transmission line construction with the announcement number CN217165909U, it relates to the technical field of power engineering equipment, and includes a straightening platform, the straightening platform is a T-shaped plate structure, the top of the straightening platform is provided with a straightening mechanism for straightening the splicing pipe, two sliding seats are slidingly connected on the straightening platform, the top of the two sliding seats is provided with a fixing mechanism for fixing the splicing pipe, the straightening mechanism includes a straightening block, a hydraulic cylinder, a sliding groove and a sliding block, the straightening block is slidingly connected to the top of the straightening platform, the hydraulic cylinder is fixedly installed on the top of the straightening platform, and the piston rod end of the hydraulic cylinder is fixedly connected with one side of the straightening block.

[0004] For the above-mentioned related scheme, the above-mentioned compression and fixation of splicing pipe are realized by the cooperation of movable seat and fixed seat, and the straightening operation of splicing pipe is realized by the transverse movement of straightening block, but in the process of straightening the bent splicing pipe, the splicing pipe and the movable seat and the fixed seat will produce the deflection in front and back direction and the force of sliding to both sides, and the position of movable seat and fixed seat is fixed, so that the friction of the contact part of splicing pipe and movable seat and fixed seat causes more scratches, thereby affecting the quality of splicing pipe. Utility model content

[0005] The utility model aims at providing a kind of overhead transmission line construction with splicing pipe straightener to solve the technical problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: An overhead transmission line construction is with the straightener of jointing pipe, including support base, the top of support base is provided with straightening mechanism, and straightening mechanism is used for straightening operation to jointing pipe;

[0007] The both sides of support base are welded with the base of symmetrical distribution, the outside of base is slidably connected with sliding frame, and base is used for realizing the support guide of sliding frame, the top of sliding frame is welded with support frame, the top of support frame penetrates the installation of air cylinder, the one end of air cylinder near sliding frame is provided with mounting plate, the bottom of mounting plate and the top of sliding frame are all welded with support shaft, the bottom of one support shaft is connected with movable seat through bearing, the top of another support shaft is connected with fixed seat through bearing, and support shaft is used for making movable seat and fixed seat can deflect around shaft, the inside of base is provided with friction increasing mechanism, and friction increasing mechanism is used for preventing sliding frame displacement when fixed jointing pipe.

[0008] Preferably, the top of movable seat and the bottom of fixed seat are all welded with guide rod at equal angle, the bottom of mounting plate and the top of sliding frame are all provided with guide groove which constitutes sliding structure with guide rod, and guide rod and guide groove are matched for reducing the stress of support shaft.

[0009] Preferably, the inside of sliding frame is fixedly connected with damping pad, and damping pad is used for increasing the friction between sliding frame and base.

[0010] Preferably, the friction increasing mechanism includes the resisting plate slidably connected with base and the antiskid pad fixedly connected at the top of resisting plate, and the antiskid pad is used for further increasing the friction between sliding frame and base.

[0011] Preferably, the reset spring is fixedly connected between resisting plate and base, and the reset spring is used for making antiskid pad abut against damping pad to increase the friction.

[0012] Preferably, the straightening mechanism includes the vertical plate welded at the top of support base and the hydraulic cylinder installed through the inside of vertical plate, and the hydraulic cylinder is used for driving straightening plate to move laterally, and the rear end of hydraulic cylinder is provided with straightening plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The straightener of jointing pipe for overhead transmission line construction is provided with support shafts connected through bearings between fixed seat and sliding frame and between movable seat and mounting plate, so that fixed seat and movable seat can adaptively deflect and move laterally, thereby preventing more scratches caused by the friction of contact position between jointing pipe and movable seat and fixed seat during the process of straightening the curved jointing pipe, and ensuring the quality of jointing pipe.

[0015] 2. The splicing pipe straightener for overhead transmission line construction, by installing damping pad in the inside of the sliding frame, so that the friction of the damping pad can be used to resist the slight thrust, and at the same time, by applying vertical pressure through the friction increasing mechanism, the static friction is increased by increasing the normal pressure, preventing the sliding frame from moving when the splicing pipe is fixed, and improving the convenience of positioning. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional sectional structure schematic diagram of the utility model;

[0018] Figure 3 It is a three-dimensional exploded structure schematic diagram of the utility model movable seat and sliding frame;

[0019] Figure 4 It is a three-dimensional exploded structure schematic diagram of the utility model base and friction increasing mechanism.

[0020] In the drawing: 1, support seat; 2, base; 3, sliding frame; 4, friction increasing mechanism; 401, non-slip pad; 402, stop plate; 403, return spring; 5, damping pad; 6, straightening mechanism; 601, vertical plate; 602, hydraulic cylinder; 603, straightening plate; 7, movable seat; 8, fixed seat; 9, mounting plate; 10, air cylinder; 11, support shaft; 12, guide rod; 13, guide groove; 14, support frame. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figure 1 And Figure 2 The utility model provides a kind of technical scheme: a splicing pipe straightener for overhead transmission line construction, including support seat 1, the top of support seat 1 is provided with straightening mechanism 6, straightening mechanism 6 is used to straighten operation to splicing pipe, straightening mechanism 6 includes vertical plate 601 welded in the top of support seat 1 and hydraulic cylinder 602 installed in the inside of vertical plate 601, hydraulic cylinder 602 is used to drive straightening plate 603 transverse movement, the rear end of hydraulic cylinder 602 is provided with straightening plate 603;

[0023] Specifically, after the direct continuation pipe to be calibrated is positioned, the hydraulic cylinder 602 is started to extend and drive the straightening plate 603 to move horizontally, so that the calibration operation can be performed on the continuation pipe.

[0024] In Figures 1-3 , the two sides of the support base 1 are welded with symmetrically distributed bases 2, the outer sides of the bases 2 are slidingly connected with sliding frames 3, the bases 2 are used to support and guide the sliding frames 3, the top ends of the sliding frames 3 are welded with support frames 14, the top ends of the support frames 14 are penetratingly installed with air cylinders 10, and the air cylinders 10 are used to drive the installed plates 9 to vertically ascend and descend.

[0025] Specifically, the air cylinder 10 is started to extend and drive the movable seat 7 to vertically move through the installed plate 9.

[0026] In Figures 1-3 , one end of the air cylinder 10 close to the sliding frame 3 is provided with the installed plate 9, the bottom end of the installed plate 9 and the top end of the sliding frame 3 are welded with support shafts 11, the bottom end of one support shaft 11 is connected with the movable seat 7 through a bearing, the top end of the other support shaft 11 is connected with the fixed seat 8 through a bearing, the support shafts 11 are used to enable the movable seat 7 and the fixed seat 8 to pivot around the shafts, the inner surfaces of the movable seat 7 and the fixed seat 8 are provided with rubber pads, which are used to prevent the continuation pipe from being in hard contact with the movable seat 7 and the fixed seat 8 and play a protection role.

[0027] Specifically, since the fixed seat 8 and the sliding frame 3, and the movable seat 7 and the installed plate 9 are all rotationally connected through the support shafts 11 and the bearings, after the continuation pipe to be calibrated is placed on the fixed seat 8, the fixed seat 8 is in an inclined state, when the air cylinder 10 works, the air cylinder 10 extends and drives the movable seat 7 to vertically descend through the installed plate 9, so as to realize the compression and fixation of the continuation pipe through the cooperation of the movable seat 7 and the fixed seat 8, to prevent the continuation pipe from loosening, and in the process of the calibration operation on the continuation pipe, the movable seat 7 and the fixed seat 8 pivot around the support shafts 11 and reset, and since the sliding frame 3 is slidingly connected with the base 2, the sliding frame 3 slides away from the straightening plate 603, through the self-adaptive pivoting and lateral movement, it can be prevented that the contact part of the continuation pipe with the movable seat 7 and the fixed seat 8 is rubbed to cause more scratches in the process of the continuation pipe being straightened from being bent, so as to ensure the quality of the continuation pipe.

[0028] In Figures 1-3 , the top end of the movable seat 7 and the bottom end of the fixed seat 8 are equally angularly welded with guide rods 12, the bottom end of the installed plate 9 and the top end of the sliding frame 3 are both provided with guide grooves 13 which constitute sliding structures with the guide rods 12, and the guide rods 12 and the guide grooves 13 are used to reduce the stress of the support shafts 11.

[0029] Specifically, through the cooperation of the guide rods 12 and the guide grooves 13, the movable seat 7 and the fixed seat 8 can be supported, so that the stress of the support shafts 11 can be reduced.

[0030] In Figures 1-3 , the inner side of the sliding frame 3 is fixedly connected with a damping pad 5, which is used to increase the friction between the sliding frame 3 and the base 2.

[0031] Specifically, the friction between the sliding frame 3 and the base 2 is increased by the damping pad 5, so as to resist the slight thrust by the friction.

[0032] In Figure 1 , Figure 2 and Figure 4 , the inside of the base 2 is provided with a friction increasing mechanism 4, which is used to prevent the sliding frame 3 from being displaced when fixing the connecting pipe, and the friction increasing mechanism 4 comprises a resisting plate 402 in sliding connection with the base 2 and an anti-skid pad 401 fixedly connected to the top end of the resisting plate 402, the anti-skid pad 401 is used to further increase the friction between the sliding frame 3 and the base 2, and the resisting plate 402 is fixedly connected with the base 2 with a return spring 403, which is used to upwardly push the anti-skid pad 401 and the resisting plate 402 by the elastic restoring force, so as to make the anti-skid pad 401 abut against the damping pad 5 and increase the friction.

[0033] Specifically, the vertical pressure is applied by the return spring 403, so as to increase the static friction by increasing the normal pressure, thereby preventing the support frame 14 from being displaced when fixing the connecting pipe, and improving the positioning convenience.

[0034] By the rotating action of the fixed seat 8 and the sliding frame 3 and the movable seat 7 and the mounting plate 9, after the connecting pipe to be straightened is placed on the fixed seat 8, the fixed seat 8 is in an inclined state, at this time the air cylinder 10 is started to make it extend and drive the movable seat 7 to vertically downwardly move through the mounting plate 9, so as to realize the compression and fixing of the connecting pipe by the cooperation of the movable seat 7 and the fixed seat 8, to prevent it from loosening, then the hydraulic cylinder 602 is started to make it extend and drive the straightening plate 603 to horizontally move, so that the straightening operation of the connecting pipe can be performed, in this process, the movable seat 7 and the fixed seat 8 are deflected around the support shaft 11 and reset, and at the same time, the sliding frame 3 is slid away from the straightening plate 603 by the sliding action of the sliding frame 3 and the base 2, by the self-adaptive deflection and transverse movement, it can be prevented that the friction of the contact part of the connecting pipe with the movable seat 7 and the fixed seat 8 during the process of changing from bending to straightening causes more scratches, thereby ensuring the quality of the connecting pipe;

[0035] The electrical equipment (including but not limited to motor, motor, electric push rod, etc.) is safely powered by an external power supply and controlled by a control box. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0036] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An overhead power transmission line construction jointing pipe straightener, comprising a support seat (1), the top end of the support seat (1) is provided with a straightening mechanism (6), and the straightening mechanism (6) is used for straightening operation of the jointing pipe; characterized in that: The bottom of the support seat (1) is welded with symmetrically distributed bases (2), the outer side of the base (2) is slidably connected with a sliding frame (3), and the base (2) is used for supporting and guiding the sliding frame (3), the top end of the sliding frame (3) is welded with a support frame (14), the support frame (14) is penetrated and installed with a gas cylinder (10) at the top end, the end of the gas cylinder (10) close to the sliding frame (3) is provided with a mounting plate (9), the bottom end of the mounting plate (9) and the top end of the sliding frame (3) are welded with support shafts (11), the bottom end of one of the support shafts (11) is connected with a movable seat (7) through a bearing, the top end of the other support shaft (11) is connected with a fixed seat (8) through a bearing, and the support shaft (11) is used for enabling the movable seat (7) and the fixed seat (8) to deflect around the shaft, the inside of the base (2) is provided with a friction increasing mechanism (4), and the friction increasing mechanism (4) is used for preventing the sliding frame (3) from moving when the jointing pipe is fixed.

2. The jointing tube straightener for overhead transmission line construction according to claim 1, characterized in that: The top end of the movable seat (7) and the bottom end of the fixed seat (8) are welded with guide rods (12) at equal angles, the bottom end of the mounting plate (9) and the top end of the sliding frame (3) are provided with guide grooves (13) which constitute sliding structures with the guide rods (12), and the guide rods (12) and the guide grooves (13) are matched to reduce the stress of the support shaft (11).

3. The jointing tube straightener for overhead transmission line construction according to claim 1, characterized in that: The inner side of the sliding frame (3) is fixedly connected with a damping pad (5), and the damping pad (5) is used for increasing the friction between the sliding frame (3) and the base (2).

4. The jointing tube straightener for overhead transmission line construction according to claim 1, characterized in that: The friction increasing mechanism (4) comprises a resisting plate (402) slidably connected with the base (2) and an anti-skid pad (401) fixedly connected at the top end of the resisting plate (402), and the anti-skid pad (401) is used for further increasing the friction between the sliding frame (3) and the base (2).

5. The splicing tube straightener for overhead transmission line construction according to claim 4, characterized in that: The resisting plate (402) and the base (2) are fixedly connected with a return spring (403), and the return spring (403) is used for abutting the anti-skid pad (401) and the damping pad (5) to increase the friction.

6. The jointing tube straightener for overhead transmission line construction of claim 1, wherein: The straightening mechanism (6) comprises a vertical plate (601) welded at the top end of the support seat (1) and a hydraulic cylinder (602) penetrated and installed in the inside of the vertical plate (601), and the hydraulic cylinder (602) is used for driving a straightening plate (603) to move horizontally, and the rear end of the hydraulic cylinder (602) is provided with the straightening plate (603).

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