Tower crane travel switch

Abstract

The present invention discloses a tower crane travel switch, comprising: a frame, wherein the frame is composed of an outer shell, an upper cover, an extension seat, a base and a connecting plate, the upper cover is arranged above the base, the upper cover is provided with a limit plate and a buckle plate, the outer shell is arranged on the outside of the upper cover, the outer shell is provided with a buckle edge, the extension seat is arranged below the base, the extension seat is provided with a fixed connecting block, a front axle hole and a rear axle hole, the connecting plate is arranged in front of the extension seat, the connecting plate is provided with an axle matching hole and a positioning hole, the base is provided with a bottom plate, a wire guide column sleeve, an axle matching hole, an installation matching hole and an auxiliary part; the present invention provides a tower crane travel switch, the device has a simple structure, is easy to disassemble and install, and solves the problems of short overall product life and small size through the combination of multiple precision components, while achieving the effects of strong stability and high practicality.

Description

Technical Field

[0001] The invention relates to the field of control switches, in particular to a tower crane travel switch. Background Art

[0002] Tower cranes are the most commonly used lifting equipment on construction sites. Also known as tower cranes, they are constructed in sections (referred to as "standard sections") and are used to lift materials such as steel bars, wood planks, concrete, and steel pipes. Tower cranes are an essential piece of equipment on construction sites.

[0003] Most of the existing limit switches cannot achieve indicators such as high strength and strong environmental resistance, the contacts are easily damaged, the overall product life is short, and the existing limit switches are large in size. Summary of the Invention

[0004] The present invention provides a tower crane travel switch to solve the above-mentioned problems.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] Tower crane limit switch, including:

[0007] The frame is composed of a shell, an upper cover, an extension seat, a base and a connecting plate. The upper cover is arranged above the base, the upper cover is provided with a limit plate and a buckle plate, the shell is arranged on the outside of the upper cover, the shell is provided with a buckle edge, the extension seat is arranged below the base, the extension seat is provided with a fixed connecting block, a front axle hole and a rear axle hole, the connecting plate is arranged in front of the extension seat, the connecting plate is provided with an axle matching hole and a positioning hole, the base is provided with a bottom plate, a wire guide column sleeve, an axle matching hole, an installation matching hole and an auxiliary part;

[0008] A drive module is provided inside the frame and is provided with a main drive gear, a slave drive gear and a drive rod. The main drive gear includes a secondary gear and a connecting rod. The slave drive gear is placed horizontally with the main drive gear and includes a fixing rod. The drive rod is provided below the main drive gear and includes a sealing assembly, a buffer pad and a drive rotary sleeve.

[0009] An adjustment module, which is connected to the driving module and is mirror-imaged and disposed on both sides of the driving module;

[0010] The control module is arranged at the rear end of the adjustment module. The control module is composed of a connecting frame and a wiring frame. The connecting frame is provided with interactive holes, adjustment pins and fixing blocks.

[0011] Furthermore, the shell is engaged and fixed with the bottom plate.

[0012] Furthermore, the adjustment module includes a round seat, an outer ring, an adjustment component and an outer ring cover.

[0013] Furthermore, the wiring racks are divided into two groups, including wiring rack one and wiring rack two.

[0014] Furthermore, the extension seat is connected to the driving rod through a round cover and a positioning ring cover.

[0015] Furthermore, the adjustment module is made of metal.

[0016] Beneficial effects of the present invention:

[0017] The present invention provides a tower crane travel switch, which has a simple structure and is easy to disassemble and install. By combining a variety of precision components, the problems of short overall product life and small size are solved, while achieving the effects of strong stability and high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. 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 the structures shown in these drawings without paying any creative work.

[0019] Figure 1 This is one of the overall structural diagrams of the present invention.

[0020] Figure 2 This is the second schematic diagram of the overall structure of the present invention.

[0021] Figure 3 This is one of the schematic diagrams of the internal explosion structure of the present invention.

[0022] Figure 4 This is the second schematic diagram of the internal explosion structure of the present invention.

[0023] Figure 5 This is a schematic diagram of the explosion structure of the regulating module of the present invention.

[0024] Figure 6 Schematic diagram of the control module structure of the present invention.

[0025] Figure 7 This is one of the structural schematic diagrams of the main driving gear and the slave driving gear of the present invention.

[0026] Figure 8 This is the second structural diagram of the main driving gear and the slave driving gear of the present invention.

[0027] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0029] according to Figures 1-8 As shown:

[0030] Tower crane limit switch, including:

[0031] The frame 1 is composed of a shell 11, an upper cover 12, an extension seat 13, a base 14 and a connecting plate 15. The upper cover 12 is arranged above the base 14. The upper cover 12 is provided with a limit plate 121 and a buckle plate 122. The limit plate 121 is mirrored and arranged below the upper cover 12 to limit the installation position of the upper cover 12. The limit plate 121 is fixed by a reinforcing rib. The buckle plate 122 is arranged on the outside of the limit plate 121 and corresponds to each other. The shell 11 is arranged on the outside of the upper cover 12. The shell 11 is provided with a buckle edge 111. The extension seat 1 3 is arranged below the base 14, the extension seat 13 is provided with a fixed connecting block 131, a front axle hole 132 and a rear axle hole 133, the extension seat 13 is connected to the base 14 as a whole, the fixed connecting block 131 is arranged in a butterfly shape on the left side of the extension seat 13, and is connected to the front axle hole 132, and its connecting end is provided with a connecting plate fixing hole, the front axle hole 132 is a stepped through hole, the radius of which decreases from left to right, for matching seals to ensure its sealing performance, the rear axle hole 133 is placed coaxially with the front axle hole 132, and the rear axle hole 133 is thrown out, including The connecting plate 15 is provided in front of the extension seat 13. The connecting plate 15 is provided with an axis matching hole 151 and a positioning hole 152. The axis matching hole 151 is provided at the center of the connecting plate 15, including a base connecting hole and a strong rib. The positioning hole 152 is provided outside the axis matching hole 151, divided into three groups, and arranged at the tip of an equilateral triangle, and provided with a limiting inner ring. The base 14 is provided with a bottom plate 141, a wire guide column sleeve 142 , shaft-aligned holes 143, mounting matching holes 144 and auxiliary parts 145, the bottom plate 141 is provided at the bottom end of the base 14, the wire guide column sleeve 142 is provided on one side of the base 14 and is mated with the bottom plate 141, the shaft-aligned holes 143 are provided at the end of the base 14 and are divided into two groups, the mounting matching holes 144 are laid on both sides of the shaft-aligned holes 143, including control module matching holes 1441 and auxiliary part matching holes 1442, the auxiliary part 145 is connected to the two end surfaces of the base 14, and includes a wire terminal 1451 and an external matching plate 1452;

[0032] The driving module 2 is arranged inside the frame 1. The driving module 2 is provided with a main driving tooth 21, a slave driving tooth 22 and a driving rod 23. The main driving tooth 21 includes a secondary tooth 211 and a connecting rod 212. The secondary tooth 211 is arranged on one side of the main driving tooth 21 and is axially fixed by a composite column. The composite column is arranged in a slot for fixing the connecting rod 212. The connecting rod 212 is composed of a connecting main rod 2121 and a cover 2122. Both the connecting main rod 2121 and the cover 2122 have positioning grooves. The connecting rod 212 is provided with a water chestnut section. , used to fit the composite column, the slave drive tooth 22 is placed horizontally with the main drive tooth 21, including a fixing rod 221, the fixing rod 221 has a built-in positioning slot for fixing the adjustment module 4, the drive rod 23 is arranged below the main drive tooth 21, and includes a sealing assembly 231, a buffer pad 232 and a drive rotary sleeve 233, the sealing assembly 231 is arranged at the rear end of the drive rod 23, and includes a sleeve and a sealing ring, the buffer pad 232 is arranged at the front end of the drive rod 23, the drive rotary sleeve 233 is arranged at the middle section of the drive rod 23, and the drive rod 23 is arranged in the inner ring groove and the drive through hole;

[0033] The regulating module 4 is connected to the driving module 2 and is mirror-imaged and disposed on both sides of the driving module 2;

[0034] The control module 3 is arranged at the rear end of the adjustment module 4. The control module 3 is composed of a connecting frame 31 and a wiring frame 32. The connecting frame 31 is provided with an interactive hole 311, an adjusting ejector pin 312 and a fixing block 313. The connecting frame 31 is M-shaped. The interactive holes 311 are arranged facing the connecting frame 31 and are divided into three rows. The adjusting ejector pins 312 are matched and connected with the interactive holes 311 and are divided into two groups. The fixing block 313 is arranged between the interactive holes 311 and includes a locking buckle. The wiring frame 32 is bolted to the interactive holes 311 in the connecting frame 31.

[0035] The shell 11 is embedded and fixed with the base plate 141. In this embodiment, the shell 11 is embedded with the base plate 141, and the shell 11 is connected to the base plate 141 through a buckle edge 111. The base plate 141 is provided with bolt holes and convex edges, and the buckle edge 111 is provided with slots matching the bolt holes and convex edges, so that the sealing and structural stability of the device are better.

[0036] The adjustment module 4 includes a round seat 41, an outer ring 42, an adjustment assembly 43 and an outer ring cover 44. In this embodiment, the round seat 41 is provided with a through hole and a convex column, and the through hole is provided in the tooth pattern. The outer ring cover 44 is provided with a positioning mounting column and a snap-fit column. The positioning mounting column is provided with three groups, including circular grooves, of which there are four groups of circular grooves, and are designed to cooperate with the positioning mounting columns. The outer ring 42 is provided with four groups, including convex teeth. The adjustment assembly 43 includes an adjustment spring and an adjustment tooth column, and is designed to be paired with the round seat 41, the outer ring 42 and the outer ring cover 44 respectively.

[0037] The wiring frame 32 is divided into two groups, including a wiring frame 1 321 and a wiring frame 2 322. In this embodiment, the wiring frame 1 321 includes an outer frame 3211, a touch copper sheet 3212, a power-carrying copper sheet 3213, a telescopic spring 3214 and a telescopic adjustment member 3215. The wiring frame 2 322 has the same structure as the wiring frame 1 321, except that the position and length of the touch copper sheet 3212 and the power-carrying copper sheet 3213 cause the connection contact position to be inconsistent.

[0038] The extension seat 13 is connected to the drive rod 23 through a round cover 1301 and a positioning ring cover 1302. In this embodiment, the round cover 1301 is used to seal the rear axle hole 133. The positioning ring cover 1302 is annular, penetrated by the drive rod 23, and is matched with the buffer pad 232 in the front axle hole 132.

[0039] The adjustment module 4 is made of metal.

[0040] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention description and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. Tower crane travel switch, characterized in that: include: The frame is composed of a shell, an upper cover, an extension seat, a base and a connecting plate. The upper cover is arranged above the base, the upper cover is provided with a limit plate and a buckle plate, the shell is arranged on the outside of the upper cover, the shell is provided with a buckle edge, the extension seat is arranged below the base, the extension seat is provided with a fixed connecting block, a front axle hole and a rear axle hole, the connecting plate is arranged in front of the extension seat, the connecting plate is provided with an axle matching hole and a positioning hole, the base is provided with a bottom plate, a wire guide column sleeve, an axle matching hole, an installation matching hole and an auxiliary part; A drive module is provided inside the frame and is provided with a main drive gear, a slave drive gear and a drive rod. The main drive gear includes a secondary gear and a connecting rod. The slave drive gear is placed horizontally with the main drive gear and includes a fixing rod. The drive rod is provided below the main drive gear and includes a sealing assembly, a buffer pad and a drive rotary sleeve. An adjustment module, which is connected to the driving module and is mirror-imaged and disposed on both sides of the driving module. The adjustment module comprises a round seat, an outer ring, an adjustment assembly, and an outer ring cover; The control module is arranged at the rear end of the adjustment module. The control module is composed of a connecting frame and a wiring frame. The connecting frame is provided with an interactive hole, an adjusting ejector pin and a fixed block. The interactive hole is located at the surface end of the connecting frame. The fixed block and the interactive hole are designed to be alternately spaced, and the adjusting ejector pin is connected in coordination with the interactive hole.

2. A tower crane travel switch according to claim 1, characterized in that: The shell is embedded and fixed with the bottom plate.

3. A tower crane travel switch according to claim 1, characterized in that: The wiring racks are divided into two groups, including a wiring rack 1 and a wiring rack 2.

4. A tower crane travel switch according to claim 1, characterized in that: The extension seat is connected to the driving rod through a round cover and a positioning ring cover.

5. The tower crane travel switch according to claim 1, characterized in that: The adjustment module is made of metal.

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