Positioning antiskid pulley bracket for power transmission and transformation construction

Abstract

The utility model discloses a positioning antiskid pulley bracket for power transmission and transformation construction, which relates to the field of power transmission and transformation and comprises a base, and a first roller is mounted in the base; according to the positioning anti-skid pulley bracket for power transmission and transformation construction, the positioning frame can drive the second roller to move to the position over a cable, the cable can be positioned through the positioning frame and the supporting plate, the cable can be prevented from being separated from the surface of the first roller in the moving process, and the stability of the pulley bracket in the moving process is improved; when the base moves upwards, the distance between the base and the positioning frame can be shortened, and when the distance is shortened, a thin cable can be positioned, so that the use limitation of the bracket on cable types is reduced, and the use efficiency of the pulley bracket is further improved; and after the first roller is positioned to a specified angle, the resistance to the cable during bending can be reduced, and meanwhile, the use efficiency of the pulley bracket is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission and transformation, in particular to a positioning and anti-skid pulley bracket for power transmission and transformation construction. Background Art

[0002] Power transmission and transformation is an important part of the power system, which is used to transmit the high-voltage electricity generated by power plants to various places through transmission lines. Power transmission and transformation construction refers to related engineering activities in the process of transmission line and substation construction, such as line laying, pole tower installation, equipment commissioning, etc., to ensure the reliable operation and safety of the power system. Pulley brackets will be used in the construction process. This is a device used to support and guide lines or cables. It has certain strength and corrosion resistance. The pulley guides the line or cable along the designed route, thereby reducing the friction resistance of laying and making the construction smoother and more efficient.

[0003] In the prior art, a Chinese patent with the authorization announcement number CN220570190U discloses a pulley bracket for power transmission and transformation construction, which belongs to the field of power transmission and transformation. Its technical points include an installation assembly, a fixed rod is fixedly connected to the top of the installation assembly, a pulley assembly is arranged at the bottom end of the fixed rod, a top frame and a bottom frame in the installation assembly are respectively located at the top and the bottom, a screw rod is connected to the inner center of the top frame in a lateral rotation, and sliders are axially threadedly sleeved on both sides of the outer wall of the screw rod, and a second installation rod is welded to the front and rear ends of the slider. The utility model drives the upper ends of the first connecting plate and the second connecting plate to move through the screw rod in the installation assembly, thereby adjusting the spacing between the top frame and the bottom frame through the first connecting plate and the second connecting plate, and drives the U-shaped frame and the roller to move through the threaded rod in the pulley assembly, thereby solving the existing problems of being inconvenient to adjust its transmission height and being inconvenient to transmit cables of different thicknesses or quantities.

[0004] At present, most pulley brackets on the market still have certain shortcomings when used. As shown in the above-mentioned document, the device uses a screw rod to drive the distance adjustment between the connecting plate and the top frame and the bottom frame, and solves the adjustment of the cable transmission height through the threaded rod in the pulley assembly. However, the device is not convenient for placing the cable inside for transmission, and passing it through the middle will greatly affect the efficiency of the project construction. Secondly, the device is not convenient for adjusting the angle according to the direction of the cable, which will increase the resistance and may cause damage to the cable surface, making it inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning and anti-skid pulley bracket for power transmission and transformation construction, so as to solve the problems proposed in the above background technology that the pulley bracket is not convenient for positioning and anti-skidding of the cable, which easily causes the cable to fall off and cause losses, and the bracket is not convenient for turning according to the direction of the cable, thereby increasing friction resistance and affecting construction efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning and anti-skid pulley bracket for power transmission and transformation construction, comprising a base, wherein a first roller is installed inside the base;

[0007] The bottom of the base is provided with a positioning mechanism for limiting the cable, the positioning mechanism includes a connecting seat, and the connecting seat is connected to the bottom of the base, support plates are fixed on both sides of the surface of the connecting seat, the top of the support plate on the left side is rotatably connected to a positioning frame, three through grooves are opened on the top of the positioning frame, a second roller is rotated inside the through groove, a first rotating groove is opened on the right side of the positioning frame, a rotating block is rotated inside the first rotating groove, a torsion spring is connected between the rotating block and the first rotating groove, a lever is fixed on the top of the rotating block, and a clamping groove is opened on the side of the support plate on the right side;

[0008] A first sliding groove is provided at the bottom of the base, and an adjusting mechanism for adjusting the height of the pulley is also provided at the bottom of the base.

[0009] Furthermore, the rotating block is integrally connected to the shifting rod, the rotating block is rotationally connected to the first rotating groove, and the rotating block and the engaging groove are an engaging structure.

[0010] Furthermore, the adjustment mechanism includes a first sliding block, and the first sliding block slides inside the first sliding groove, and a first rotating shaft is fixed between the first sliding block and the bottom of the base.

[0011] Furthermore, a second sliding groove is provided at the top of the connecting seat, a second sliding block slides inside the second sliding groove, and a second rotating shaft is fixed to the second sliding block and the top of the connecting seat.

[0012] Furthermore, a lifting frame is rotatably connected between the second rotating shaft and the first rotating shaft, a threaded rod is rotatably penetrated inside the second sliding groove and the second sliding block, and the threaded rod is threadedly connected to the second sliding block.

[0013] Furthermore, a rotating mechanism for adjusting the pulley angle is provided at the bottom of the connecting seat, and the rotating mechanism includes an external seat, and the external seat is connected to the bottom of the connecting seat.

[0014] Furthermore, a second rotating groove is provided on the top of the external seat, a limiting groove is provided through the inner side of the second rotating groove, a rotating disk rotates inside the second rotating groove, the rotating disk is fixed to the bottom of the connecting seat, a bolt is fixed on the surface of the rotating disk, the bolt passes through and slides inside the limiting groove, and a nut is connected to the surface of the bolt.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The positioning and non-slip pulley bracket for power transmission and transformation construction, the positioning frame can drive the second roller to move to the top of the cable, the cable can be positioned through the positioning frame and the support plate, the cable can be prevented from detaching from the surface of the first roller during movement, and the stability of the pulley bracket during movement can be improved. When the base moves upward, the distance with the positioning frame can be shortened. When the distance is shortened, thinner cables can be positioned, reducing the use restrictions of the bracket on the cable category, and further improving the use efficiency of the pulley bracket. When the nut is positioned, the first roller can be driven to position. After the first roller is positioned to a specified angle, the resistance of the cable when it is bent can be reduced, and at the same time, the use efficiency of the pulley bracket is improved;

[0017] 2. A torsion spring is provided, through which the position of the rotating block can be maintained, so that the rotating block can be engaged in the engagement groove for positioning, which is simple and convenient to operate and use, and improves the operating efficiency of the pulley bracket for positioning the cable;

[0018] 3. A rotating block is provided. The inclined surface of the rotating block can directly push the positioning frame when positioning with the engaging groove. The positioning frame can drive the inclined surface of the rotating block to press against the support plate, thereby directly driving the rotating block to rotate into the engaging groove. The operation is convenient and the positioning efficiency is greatly improved.

[0019] 4. A lifting frame is provided, and the base can be pushed upward by the rotation and lifting of the lifting frame, so that the distance between the first roller and the positioning frame is reduced, thereby reducing the restriction on the thickness of the cable and improving the efficiency of the bracket;

[0020] 5. Nuts and bolts are provided, and the bolts can be positioned by squeezing the external seat with the nut. This squeezing method is relatively stable, and can drive the external seat and the rotating disk to be stably positioned, thereby improving the stability of the bracket after the angle is rotated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall front-view three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall rear-view stereoscopic structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the cutaway three-dimensional structure of the positioning frame of the utility model;

[0024] Figure 4 This is a schematic diagram of the cross-sectional three-dimensional structure of the connecting seat of the utility model;

[0025] Figure 5 It is a schematic diagram of the cutaway three-dimensional structure of the external seat of the utility model.

[0026] In the figure: 1, base; 2, first roller; 101, connecting seat; 102, supporting plate; 103, positioning frame; 104, through groove; 105, second roller; 106, first rotating groove; 107, rotating block; 108, torsion spring; 109, lever; 110, engaging groove; 111, first sliding groove; 112, first sliding block; 113, first rotating shaft; 114, second sliding groove; 115, second sliding block; 116, second rotating shaft; 117, lifting frame; 118, threaded rod; 119, external seat; 120, second rotating groove; 121, limiting groove; 122, rotating disk; 123, bolt; 124, nut. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1:

[0029] like Figure 1-Figure 3 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the pulley bracket is inconvenient to position the cable on the surface, which easily causes it to fall off and thus damage the surface of the cable, a positioning mechanism is disclosed:

[0030] The invention comprises a base 1, a first roller 2 is installed inside the base 1, a positioning mechanism for limiting the cable is arranged at the bottom of the base 1, the positioning mechanism comprises a connecting seat 101, and the connecting seat 101 is connected to the bottom of the base 1, support plates 102 are fixed on both sides of the surface of the connecting seat 101, a positioning frame 103 is rotatably connected to the top of the left support plate 102, three through grooves 104 are opened on the top of the positioning frame 103, a second roller 105 is rotatably arranged inside the through groove 104, a first rotating groove 106 is opened on the right side of the positioning frame 103, and the first rotating groove 106 is fixed on the right side of the positioning frame 103. 06 has a rotating block 107 rotating inside, a torsion spring 108 is connected between the rotating block 107 and the first rotating groove 106, a lever 109 is fixed on the top of the rotating block 107, a clamping groove 110 is provided on the side of the right support plate 102, a first sliding groove 111 is provided at the bottom of the base 1, and an adjusting mechanism for adjusting the height of the pulley is also provided at the bottom of the base 1, the rotating block 107 is integrally connected with the lever 109, the rotating block 107 is rotatably connected with the first rotating groove 106, and the rotating block 107 and the clamping groove 110 are a clamping structure;

[0031] When the pulley bracket is in use, the cable is placed on the surface of the first roller 2 and the positioning frame 103 is pushed. When the positioning frame 103 is pushed, the support plate 102 can be rotated. When the positioning frame 103 rotates, the second roller 105 and the rotating block 107 can be driven to rotate. When the inclined surface of the rotating block 107 rotates to the top of the support plate 102 on the right side, it can be squeezed. When the rotating block 107 is squeezed, it can be rotated through the first rotating groove 106. When the rotating block 107 is rotated, the torsion spring 108 can be tightened. When the rotating block 107 is tightened to a certain position, it can be rotated to the side of the engaging groove 110. At this time, the rotating block 107 can be reset under the torsion force of the torsion spring 108. When the rotating block 107 is reset, it can be engaged and positioned with the engaging groove 110. At this time, the positioning frame 103 can drive the second roller 105 to move to the top of the cable. The cable can be positioned by the positioning frame 103 and the support plate 102, which can prevent the cable from detaching from the surface of the first roller 2 during movement, thereby improving the stability of the pulley bracket during movement.

[0032] Embodiment 2:

[0033] like Figure 1 and Figure 4 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the positioning mechanism of the pulley bracket is difficult to adapt to cables of different sizes, an adjustment mechanism is disclosed:

[0034] The adjustment mechanism includes a first sliding block 112, and the first sliding block 112 slides inside the first sliding groove 111, a first rotating shaft 113 is fixed to the first sliding block 112 and the bottom of the base 1, a second sliding groove 114 is opened on the top of the connecting seat 101, a second sliding block 115 slides inside the second sliding groove 114, a second rotating shaft 116 is fixed to the second sliding block 115 and the top of the connecting seat 101, and a lifting frame 117 is rotatably connected between the second rotating shaft 116 and the first rotating shaft 113, a threaded rod 118 is rotatably penetrated inside the second sliding groove 114 and the second sliding block 115, and the threaded rod 118 is threadedly connected to the second sliding block 115;

[0035] When the pulley bracket needs to drag a thinner cable, the threaded rod 118 can be rotated through the second sliding groove 114. When the threaded rod 118 rotates, it can drive the second sliding block 115 to slide threadedly. When the second sliding block 115 slides threadedly, it can slide through the second sliding groove 114. When the second sliding block 115 slides, it can drive the second rotating shaft 116 to move. The lifting frame 117 can be driven to rotate through the two second rotating shafts 116. When the lifting frame 117 rotates, it can drive the first rotating shaft 113 to move. At the same time, the lifting frame 117 can move with the first rotating shaft 113. The shaft 113 rotates, and when the first rotating shaft 113 moves, it can drive the first sliding block 112 to move. When the first sliding block 112 moves, it can slide through the first sliding groove 111. When the first sliding block 112 slides, it can squeeze the inside of the first sliding groove 111. When the first sliding block 112 squeezes, it can push the base 1 to move upward. When the base 1 moves upward, it can shorten the distance with the positioning frame 103. When the distance is shortened, thinner cables can be positioned, which reduces the restrictions on the use of cable types by the bracket and further improves the use efficiency of the pulley bracket.

[0036] Embodiment three:

[0037] like Figure 1 , Figure 2 and Figure 5 The technical solution shown in the figure, the present invention provides the following technical solution: In order to solve the problem that the pulley bracket is inconvenient to turn according to the angle of the cable, thereby increasing the resistance when the cable is pulled and affecting the construction efficiency, a rotating mechanism is disclosed:

[0038] A rotating mechanism for adjusting the pulley angle is provided at the bottom of the connecting seat 101, and the rotating mechanism includes an external seat 119, and the external seat 119 is connected to the bottom of the connecting seat 101, and a second rotating groove 120 is provided at the top of the external seat 119, and a limiting groove 121 is penetrated through the inner side of the second rotating groove 120, and a rotating disk 122 rotates inside the second rotating groove 120, and the rotating disk 122 is fixed to the bottom of the connecting seat 101, and a bolt 123 is fixed on the surface of the rotating disk 122, and the bolt 123 penetrates and slides inside the limiting groove 121, and a nut 124 is connected to the surface of the bolt 123;

[0039] When the cable needs to turn and move, the external seat 119 is fixed at the specified position and then the connecting seat 101 is rotated. When the connecting seat 101 rotates, it can drive the rotating disk 122 to rotate. When the rotating disk 122 rotates, it can rotate through the second rotating groove 120. When the rotating disk 122 rotates, it can drive the bolt 123 to rotate. When the bolt 123 rotates, it can slide through the limiting groove 121. After the connecting seat 101 is rotated to a certain position, it can drive the first roller 2 to rotate to a specified angle. At this time, the nut 124 is moved to the top of the bolt 123 for rotation. When the nut 124 rotates, it can slide through the bolt 123. When the nut 124 slides to the surface of the external seat 119, it can be squeezed and fixed. When the nut 124 is positioned, it can drive the first roller 2 to be positioned. After the first roller 2 is positioned to the specified angle, the resistance to the cable when bending can be reduced. At the same time, the efficiency of the use of the pulley bracket is improved.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning and anti-skid pulley bracket for power transmission and transformation construction, comprising a base (1), wherein a first roller (2) is installed inside the base (1), characterized in that ； The bottom of the base (1) is provided with a positioning mechanism for limiting the cable, the positioning mechanism comprises a connecting seat (101), and the connecting seat (101) is connected to the bottom of the base (1), support plates (102) are fixed on both sides of the surface of the connecting seat (101), the top of the left support plate (102) is rotatably connected with a positioning frame (103), the top of the positioning frame (103) is provided with three through grooves (104), a second roller (105) is rotatably arranged inside the through groove (104), a first rotating groove (106) is provided on the right side of the positioning frame (103), a rotating block (107) is rotatably arranged inside the first rotating groove (106), a torsion spring (108) is connected between the rotating block (107) and the first rotating groove (106), a lever (109) is fixed on the top of the rotating block (107), and a clamping groove (110) is provided on the side of the right support plate (102); The bottom of the base (1) is provided with a first sliding groove (111), and the bottom of the base (1) is also provided with an adjustment mechanism for adjusting the height of the pulley.

2. A positioning and anti-skid pulley bracket for power transmission and transformation construction according to claim 1, characterized in that: The rotating block (107) and the shifting rod (109) are integrally connected, the rotating block (107) and the first rotating groove (106) are rotationally connected, and the rotating block (107) and the engaging groove (110) are engaging structures.

3. A positioning and anti-skid pulley bracket for power transmission and transformation construction according to claim 1, characterized in that: The adjustment mechanism comprises a first sliding block (112), and the first sliding block (112) slides inside the first sliding groove (111), and a first rotating shaft (113) is fixed between the first sliding block (112) and the bottom of the base (1).

4. A positioning and anti-skid pulley bracket for power transmission and transformation construction according to claim 1, characterized in that: A second sliding groove (114) is provided on the top of the connecting seat (101), a second sliding block (115) slides inside the second sliding groove (114), and a second rotating shaft (116) is fixed between the second sliding block (115) and the top of the connecting seat (101).

5. A positioning and anti-skid pulley bracket for power transmission and transformation construction according to claim 4, characterized in that: A lifting frame (117) is rotatably connected between the second rotating shaft (116) and the first rotating shaft (113); a threaded rod (118) is rotatably passed through the second sliding groove (114) and the second sliding block (115); and the threaded rod (118) and the second sliding block (115) are threadedly connected.

6. A positioning and anti-skid pulley bracket for power transmission and transformation construction according to claim 1, characterized in that: A rotating mechanism for adjusting the pulley angle is provided at the bottom of the connecting seat (101), and the rotating mechanism comprises an external seat (119), and the external seat (119) is connected to the bottom of the connecting seat (101).

7. A positioning and anti-skid pulley bracket for power transmission and transformation construction according to claim 6, characterized in that: A second rotating groove (120) is provided at the top of the external seat (119), a limiting groove (121) is provided through the inner side of the second rotating groove (120), a rotating disk (122) is rotated inside the second rotating groove (120), the rotating disk (122) is fixed to the bottom of the connecting seat (101), a bolt (123) is fixed on the surface of the rotating disk (122), the bolt (123) penetrates and slides inside the limiting groove (121), and a nut (124) is connected to the surface of the bolt (123).

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