Quick adjusting device for spanning frame foot margin

Abstract

The invention discloses a rapid adjusting device for a crossing frame foot margin, and relates to the technical field of foot margin adjusting.The rapid adjusting device comprises a shell, a notch is formed in the shell, a fixing plate is fixedly connected in the notch, the top face of the fixing plate is flush with the top face of the shell, a driving assembly is fixedly connected to the top face of the shell, the driving assembly is in transmission connection with a disc, and the disc is located below the fixing plate; an adjusting assembly is installed in the disc, the adjusting assembly extends out of the disc and is symmetrically and fixedly connected with chains, the chains are used for clamping foot margin leveling nuts, a sliding assembly is installed in the shell and detachably connected with the adjusting assembly, and range finders are symmetrically installed on the bottom face of the shell and used for measuring the distance between the shell and the ground. According to the anchor leveling nut clamping device, anchor leveling nuts of different sizes can be clamped, and then the anchor leveling nut clamping device can be suitable for most anchor leveling construction, so that the application range of the anchor leveling nut clamping device is widened, and practicability is high.

Description

Technical Field

[0001] The invention relates to the technical field of foot adjustment, and in particular to a quick adjustment device for a foot of a straddle frame. Background Art

[0002] In the field of power transmission, a span is a structural device used to support power lines to cross obstacles, which usually include roads, rivers, and railways. During the construction of the span, the first thing to do is to install the anchor device. Due to the complex ground shape, the time required to adjust the anchor plane accounts for more than one-third of the overall span erection time, which not only wastes a lot of manpower, but also affects the progress of construction work. As the foundation for supporting the span, the stability of the anchor is directly related to the safety of the entire structure.

[0003] The existing anchor adjustment equipment has a complex structure and is very inconvenient to use. It can only be adjusted for nuts of fixed sizes. Different sizes of anchor leveling nuts may be used for different terrains, making the existing equipment unusable.

[0004] Therefore, there is an urgent need for a quick adjustment device for the foot of a straddle frame to solve the problems existing in the above-mentioned prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a quick adjustment device for the foot of a spanning frame to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following solution: The present invention provides a quick adjustment device for a cross-frame foot, comprising a shell, a notch is opened on the shell, a fixing plate is fixedly connected in the notch, the top surface of the fixing plate is flush with the top surface of the shell, a driving assembly is fixedly connected to the top surface of the shell, the driving assembly is transmission-connected with a disc, the disc is located below the fixing plate, an adjusting assembly is installed in the disc, the adjusting assembly extends out of the disc and is symmetrically fixed with a chain, the chain is used to clamp a foot leveling nut, a sliding assembly is installed in the shell, the sliding assembly is detachably connected to the adjusting assembly, a rangefinder is symmetrically installed on the bottom surface of the shell, and the rangefinder is used to measure the distance between the shell and the ground.

[0007] Preferably, the driving assembly includes a first transmission wheel rotatably connected to the top surface of the fixed plate, a connecting shaft is fixedly connected to the center of the first transmission wheel, the bottom of the connecting shaft passes through the fixed plate and is fixedly connected to the disc, the first transmission wheel is connected to the second transmission wheel through a transmission belt, and a motor is fixedly connected to the center of the second transmission wheel.

[0008] Preferably, a mounting frame is fixedly connected to the top surface of the shell, and the mounting frame cover is arranged above the motor and fixedly connected to the top surface of the motor.

[0009] Preferably, the adjustment component includes a forward and reverse screw that is rotatably connected to the disc, a limiting groove is symmetrically provided in the disc, a sliding plate is slidably connected in the limiting groove, the forward and reverse screw passes through the sliding plate and is threadedly connected to the sliding plate, the end of the forward and reverse screw extends out of the disc and is estimated to have a connecting component, and the component is detachably connected to the sliding component.

[0010] Preferably, the disc is symmetrically provided with slide grooves, the slide grooves are connected with the limiting grooves, a protrusion is slidably connected in the slide grooves, the chain is fixed between two adjacent protrusions in the horizontal direction, the protrusion extends into the limiting grooves and is fixed to the sliding plate.

[0011] Preferably, the connecting assembly includes a worm wheel fixedly connected to the end of the forward and reverse screws, the worm wheel is meshed with a worm, both ends of the worm are rotatably connected to brackets, the brackets are fixed to the side walls of the disc, a first gear is fixed to the worm, and the first gear is detachably connected to the sliding assembly.

[0012] Preferably, the sliding assembly includes a second gear detachably connected to the first gear, the second gear meshes with a third gear, the second gear and the third gear are fixed together by a connecting plate, a rotating rod is fixedly connected to the center of the third gear, a groove is provided in the shell, the rotating rod is located in the groove and is rotatably connected to the groove, a second wedge block is rotatably sleeved on the outer side of the rotating rod, one end of a plurality of second springs is fixedly connected to the side wall of the second wedge block, the other end of the second spring is fixedly connected to the inner wall of the groove, the second wedge block is slidably connected to an extrusion assembly, and the extrusion assembly is slidably connected to the groove.

[0013] Preferably, the extrusion assembly includes a first wedge block slidably connected to the groove, a pressing rod is fixedly connected to the side wall of the first wedge block, the pressing rod extends out of the groove, a first spring is fixedly connected to one end of the first wedge block away from the pressing rod, a connecting block is fixedly connected to one end of the first spring away from the first wedge block, and the connecting block is fixedly connected to the inner wall of the groove.

[0014] Preferably, a bayonet is provided at the edge of the disc, a hydraulic rod is embedded in the fixing plate, a clamping block is fixedly connected to the output end of the hydraulic rod, and the clamping block is adapted to the bayonet.

[0015] Preferably, a connecting rod is fixedly connected to the end of the shell, and a handle is fixedly connected to one end of the connecting rod away from the shell.

[0016] The present invention discloses the following technical effects: when in use, align the notch of the shell with the nut to be adjusted, so that the nut is against the disc below the fixed plate, so that the sliding assembly moves and contacts the adjustment assembly, thereby controlling the movement of the adjustment assembly, and then adjusting the spacing between the two chains until the chain clamps the nut, and then setting the distance to be adjusted, starting the drive assembly to drive the disc to rotate, and then driving the nut to rotate, when the rangefinder detects that the distance from the ground is the set distance at this time, the drive assembly stops working, the operation is simple and convenient, and the efficiency is high. The present invention can clamp the anchor leveling nuts of different sizes, and can be applied to most anchor leveling constructions, thereby expanding the scope of application of the present application and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 is a top sectional view of the housing of the present invention;

[0020] Figure 3 For the present invention Figure 2 A partial enlarged view of middle A;

[0021] Figure 4 is a side sectional view of the fixing plate of the present invention;

[0022] Figure 5 is a cross-sectional view of the disc of the present invention;

[0023] Figure 6 A bottom view of the disc of the present invention;

[0024] In the figure: 1. shell; 2. fixing plate; 3. notch; 4. first transmission wheel; 5. transmission belt; 6. second transmission wheel; 7. motor; 8. mounting frame; 9. connecting rod; 10. handle; 11. disc; 12. groove; 13. first spring; 14. first wedge block; 15. second wedge block; 16. second spring; 17. pressing rod; 18. rotating rod; 19. bracket; 20. worm; 21. worm wheel; 22. first gear; 23. second gear; 24. third gear; 25. connecting plate; 26. forward and reverse screw; 27. limiting groove; 28. sliding plate; 29. ​​protrusion; 30. slide groove; 31. chain; 32. hydraulic rod; 33. bayonet; 34. block. DETAILED DESCRIPTION

[0025] 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.

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] Reference Figure 1-Figure 6 As shown, this embodiment provides a quick adjustment device for a cross-frame foot, including a shell 1, a notch 3 is opened on the shell 1, a fixing plate 2 is fixedly connected in the notch 3, the top surface of the fixing plate 2 is flush with the top surface of the shell 1, a driving assembly is fixedly connected to the top surface of the shell 1, the driving assembly is transmission-connected to a disc 11, the disc 11 is located below the fixing plate 2, an adjusting assembly is installed in the disc 11, the adjusting assembly extends out of the disc 11 and is symmetrically fixed with a chain 31, the chain 31 is used to clamp a foot leveling nut, a sliding assembly is installed in the shell 1, the sliding assembly is detachably connected to the adjusting assembly, a rangefinder is symmetrically installed on the bottom surface of the shell 1, and the rangefinder is used to measure the distance between the shell 1 and the ground.

[0028] When in use, align the notch 3 of the housing 1 with the nut to be adjusted, so that the nut rests on the disc 11 below the fixed plate 2, so that the sliding assembly moves and contacts the adjustment assembly, thereby controlling the movement of the adjustment assembly, and then adjusting the spacing between the two chains 31, until the chain 31 clamps the nut, and then setting the distance to be adjusted, starting the drive assembly to drive the disc 11 to rotate, and then driving the nut to rotate, when the rangefinder detects that the distance from the ground is the set distance at this time, the drive assembly stops working, the operation is simple and convenient, and the efficiency is high. The present invention can clamp the anchor leveling nuts of different sizes, and can be applied to most anchor leveling constructions, thereby expanding the scope of application of the present application and having strong practicality.

[0029] Further optimized solution, the driving assembly includes a first transmission wheel 4 rotatably connected to the top surface of the fixed plate 2, a connecting shaft fixedly connected to the center of the first transmission wheel 4, the bottom of the connecting shaft passes through the fixed plate 2 and is fixedly connected to the disc 11, the first transmission wheel 4 is connected to the second transmission wheel 6 through a transmission belt 5, and a motor 7 is fixedly connected to the center of the second transmission wheel 6. The second transmission wheel 6 drives the first transmission wheel 4 to rotate through the transmission belt 5, and the first transmission wheel 4 drives the disc 11 to rotate through the connecting shaft, thereby driving the nut to rotate for adjustment.

[0030] In a further optimized solution, a mounting frame 8 is fixedly connected to the top surface of the housing 1, and the mounting frame 8 is arranged above the motor 7 and fixedly connected to the top surface of the motor 7. The mounting frame 8 supports and protects the motor 7, ensuring the stability of the structure.

[0031] Further optimized solution, the adjustment component includes a positive and negative thread screw 26 that is rotatably connected to the disc 11, a limit slot 27 is symmetrically provided in the disc 11, a sliding plate 28 is slidably connected in the limit slot 27, the positive and negative thread screw 26 passes through the sliding plate 28 and is threadedly connected to the sliding plate 28, the end of the positive and negative thread screw 26 extends out of the disc 11 and is estimated to have a connecting component, and the component and the sliding component are detachably connected. The sliding component drives the connecting component to rotate, the connecting component drives the positive and negative thread screw 26 to rotate, and the positive and negative thread screw 26 drives the sliding plate 28 to slide in the limit slot 27, thereby performing the adjustment work.

[0032] According to a further optimized solution, the disk 11 is symmetrically provided with a slide groove 30, which is connected to the limit groove 27, and a protrusion 29 is slidably connected in the slide groove 30, and a chain 31 is fixed between two adjacent protrusions 29 in the horizontal direction, and the protrusion 29 extends into the limit groove 27 and is fixed to the sliding plate 28. The sliding plate 28 drives the protrusion 29 to slide in the slide groove 30, and when the protrusion 29 moves, the chain 31 is driven to move, so that the chain 31 is attached to and clamped with the nut, which is convenient for adjusting nuts of different sizes.

[0033] Further optimized solution, the connection assembly includes a worm wheel 21 fixedly connected to the end of the forward and reverse thread screw 26, the worm wheel 21 is meshed with a worm 20, the two ends of the worm 20 are rotatably connected to the bracket 19, the bracket 19 is fixedly connected to the side wall of the disc 11, the worm 20 is fixedly connected to the first gear 22, and the first gear 22 is detachably connected to the sliding assembly. The sliding assembly drives the first gear 22 to rotate, the first gear 22 drives the worm 20 to rotate, the worm 20 drives the worm wheel 21 to rotate, and the worm wheel 21 drives the forward and reverse thread screw 26 to rotate, so that the chain 31 clamps the nut.

[0034] In a further optimized solution, the sliding assembly includes a second gear 23 detachably connected to the first gear 22, the second gear 23 is meshed with a third gear 24, the second gear 23 and the third gear 24 are fixed together by a connecting plate 25, a rotating rod 18 is fixedly connected to the center of the third gear 24, a groove 12 is provided in the housing 1, the rotating rod 18 is located in the groove 12 and is rotatably connected to the groove 12, a second wedge block 15 is rotatably sleeved on the outer side of the rotating rod 18, one end of a plurality of second springs 16 is fixedly connected to the side wall of the second wedge block 15, the other end of the second spring 16 is fixedly connected to the inner wall of the groove 12, the second wedge block 15 is slidably connected to an extrusion assembly, and the extrusion assembly is slidably connected to the groove 12. The rotating rod 18 is rotated, the rotating rod 18 drives the third gear 24 to rotate, the third gear 24 drives the second gear 23 to rotate, and the second gear 23 drives the first gear 22 to rotate, so as to facilitate the adjustment; the connecting plate 25 is used to fix the second gear 23 and the third gear 24 together so that they always keep meshing and can move together.

[0035] Further optimized solution, the extrusion assembly includes a first wedge block 14 slidably connected with the groove 12, a pressing rod 17 is fixedly connected to the side wall of the first wedge block 14, the pressing rod 17 extends out of the groove 12, the first spring 13 is fixedly connected to the end of the first wedge block 14 away from the pressing rod 17, the first spring 13 is fixedly connected to the end of the first wedge block 14 away from the first wedge block 14, and the connecting block is fixedly connected to the inner wall of the groove 12. When adjustment is required, the pressing rod 17 is squeezed to drive the first wedge block 14 to move, the first wedge block 14 squeezes the second wedge block 15 to drive the rotating rod 18 to move, the rotating rod 18 drives the connecting plate 25 to move outward, the connecting plate 25 extends out of the housing 1 and makes the second gear 23 mesh with the first gear 22, so as to perform the adjustment work, the first spring 13 is arranged to facilitate the reset of the second wedge block 15, when the disc 11 rotates, the first gear 22 and the second gear 23 are separated, and the normal adjustment work is not affected.

[0036] Further optimization scheme, a bayonet 33 is provided at the edge of the disc 11, a hydraulic rod 32 is embedded in the fixing plate 2, a block 34 is fixedly connected to the output end of the hydraulic rod 32, and the block 34 is adapted to the bayonet 33. When not in use, the disc 11 is rotated so that the bayonet 33 is aligned with the block 34, and the hydraulic rod 32 is started to drive the block 34 to move, so that the block 34 is stuck in the bayonet 33. At this time, the disc 11 cannot rotate, and the first gear 22 and the second gear 23 are at the same horizontal position, so that the second gear 23 can be extended to mesh with the first gear 22 for adjustment; when in use, the second gear 23 is retracted, and the block 34 is retracted, and then the motor 7 is started to adjust.

[0037] In a further optimized solution, a connecting rod 9 is fixedly connected to the end of the housing 1, and a handle 10 is fixedly connected to the end of the connecting rod 9 away from the housing 1. The arrangement of the connecting rod 9 and the handle 10 is convenient for the staff to take and put, and is more convenient to use.

[0038] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A quick adjustment device for a foot of a spanning frame, characterized in that: The invention comprises a shell (1), wherein a notch (3) is formed on the shell (1), a fixing plate (2) is fixedly connected in the notch (3), the top surface of the fixing plate (2) is flush with the top surface of the shell (1), a driving assembly is fixedly connected to the top surface of the shell (1), the driving assembly is drivingly connected to a disc (11), the disc (11) is located below the fixing plate (2), an adjusting assembly is installed in the disc (11), the adjusting assembly extends out of the disc (11) and is symmetrically fixedly connected to a chain (31), the chain (31) is used for clamping a foot leveling nut, a sliding assembly is installed in the shell (1), the sliding assembly is detachably connected to the adjusting assembly, and a distance meter is symmetrically installed on the bottom surface of the shell (1), the distance meter is used for measuring the distance between the shell (1) and the ground.

2. The rapid adjustment device for the foot of a spanning frame according to claim 1, characterized in that: The driving assembly comprises a first transmission wheel (4) rotatably connected to the top surface of the fixed plate (2), a connecting shaft being fixedly connected at the center of the first transmission wheel (4), a bottom of the connecting shaft passing through the fixed plate (2) and being fixedly connected to the disc (11), the first transmission wheel (4) being connected to a second transmission wheel (6) via a transmission belt (5), and a motor (7) being fixedly connected at the center of the second transmission wheel (6).

3. The rapid adjustment device for the foot of a spanning frame according to claim 2, characterized in that: A mounting frame (8) is fixedly connected to the top surface of the housing (1); the mounting frame (8) is disposed above the motor (7) and is fixedly connected to the top surface of the motor (7).

4. The rapid adjustment device for the foot of a spanning frame according to claim 1, characterized in that: The adjustment component comprises a positive and negative thread screw (26) rotatably connected to the disc (11); a limit groove (27) is symmetrically provided in the disc (11); a sliding plate (28) is slidably connected in the limit groove (27); the positive and negative thread screw (26) passes through the sliding plate (28) and is threadedly connected to the sliding plate (28); the end of the positive and negative thread screw (26) extends out of the disc (11) and is estimated to have a connecting component, and the component is detachably connected to the sliding component.

5. The rapid adjustment device for the foot of a spanning frame according to claim 4, characterized in that: The disk (11) is symmetrically provided with a slide groove (30), the slide groove (30) is communicated with the limiting groove (27), a protrusion (29) is slidably connected in the slide groove (30), the chain (31) is fixed between two adjacent protrusions (29) in the horizontal direction, and the protrusion (29) extends into the limiting groove (27) and is fixedly connected to the sliding plate (28).

6. The rapid adjustment device for the foot of a spanning frame according to claim 4, characterized in that: The connecting assembly comprises a worm wheel (21) fixedly connected to the end of the forward and reverse thread screw (26), the worm wheel (21) is meshed with a worm (20), both ends of the worm (20) are rotatably connected to brackets (19), the bracket (19) is fixedly connected to the side wall of the disc (11), the worm (20) is fixedly connected to a first gear (22), and the first gear (22) is detachably connected to the sliding assembly.

7. The rapid adjustment device for the foot of a spanning frame according to claim 6, characterized in that: The sliding assembly comprises a second gear (23) detachably connected to the first gear (22); the second gear (23) is meshed with a third gear (24); the second gear (23) and the third gear (24) are fixed together via a connecting plate (25); a rotating rod (18) is fixedly connected to the center of the third gear (24); a groove (12) is provided in the housing (1); the rotating rod (18) is located in the groove (12) and is rotatably connected to the groove (12); a second wedge block (15) is rotatably sleeved on the outer side of the rotating rod (18); one end of a plurality of second springs (16) is fixedly connected to the side wall of the second wedge block (15); the other end of the second spring (16) is fixedly connected to the inner wall of the groove (12); the second wedge block (15) is slidably connected to an extrusion assembly; and the extrusion assembly is slidably connected to the groove (12).

8. The rapid adjustment device for the foot of a spanning frame according to claim 7, characterized in that: The extrusion assembly comprises a first wedge block (14) slidably connected to the groove (12); a pressing rod (17) is fixedly connected to the side wall of the first wedge block (14); the pressing rod (17) extends out of the groove (12); an end of the first wedge block (14) away from the pressing rod (17) is fixedly connected to a first spring (13); an end of the first spring (13) away from the first wedge block (14) is fixedly connected to a connecting block; the connecting block is fixedly connected to the inner wall of the groove (12).

9. The rapid adjustment device for the foot of a spanning frame according to claim 1, characterized in that: A bayonet (33) is provided at the edge of the disc (11), a hydraulic rod (32) is embedded in the fixed plate (2), a clamping block (34) is fixedly connected to the output end of the hydraulic rod (32), and the clamping block (34) is adapted to the bayonet (33).

10. The rapid adjustment device for the foot of a spanning frame according to claim 1, characterized in that: A connecting rod (9) is fixedly connected to the end of the shell (1), and a handle (10) is fixedly connected to one end of the connecting rod (9) away from the shell (1).

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