Disassembling and assembling tool for handbrake valve block of loading machine

Abstract

The utility model discloses a dismounting tool for a handbrake valve block of a loading machine, which belongs to the technical field of mechanical maintenance tools and comprises a working part used for fixing, dismounting and mounting the handbrake valve block and extension parts mounted on two sides of the working part, and the extension parts are movably mounted in sliding grooves formed in two sides of the working part. The fastening bolt and the adjusting nut are assembled, the exposed height of the fastening bolt is adjusted, then the working part is inserted into a hole in the spring pre-tightening cover, the spring pre-tightening cover is rotationally disassembled through the handle, and after the interior of the valve block is maintained, the valve block is installed and fastened through the same method. And collision injury to operators due to collapse of the cylindrical parts in the dismounting and mounting process is avoided, and safety is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical maintenance tools, and particularly relates to a disassembly and assembly tool for a loader handbrake valve block. Background Art

[0002] In road construction, especially in the construction of high-grade highways, loaders are used for operations such as filling and excavation of subgrade projects, aggregate collection and loading in asphalt mixture and cement concrete yards. In addition, it can also perform operations such as pushing soil, leveling the ground and towing other machinery. Due to the advantages of fast operation speed, high efficiency, good mobility and light operation of loaders, it has become one of the main types of machinery for earthwork construction in engineering construction.

[0003] Since the handbrake of the loader is used frequently during production operations, after long-term use, the internal parts of the handbrake valve block are worn, and the handbrake valve block needs to be disassembled and repaired. During daily maintenance, a cylindrical part needs to be inserted into only two circular holes in the spring pre-tightening cover, and the force-applying rod is placed in the middle for rotary disassembly. During disassembly, the cylindrical part is likely to fall off and fly, posing a safety hazard. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a disassembly and assembly tool for a loader handbrake valve block to solve the technical problem that the cylindrical part is likely to fall off and fly during disassembly as mentioned in the background art.

[0005] To achieve the above purpose, the specific technical solution of the utility model is as follows: A disassembly and assembly tool for a loader handbrake valve block includes

[0006] A working part for fixing, disassembling and assembling the handbrake valve block, and extension parts installed on both sides of the working part, wherein the extension parts are movably installed inside the sliding grooves opened on both sides of the working part;

[0007] The working part, which includes a mounting part and handles installed on both sides of the mounting part. The sliding grooves are opened in the inner cavity of the handles. Through holes are formed on both sides of the mounting part, and the position of the fastening bolts is adjusted through adjusting nuts.

[0008] Preferably, the adjusting nut is movably installed on one side of the mounting part and is threadedly installed with the fastening bolt movably installed in the inner cavity. The inner end of the fastening bolt is inserted into the hole opened on the side of the handbrake valve block.

[0009] Preferably, the extension part includes a telescopic frame inserted into the sliding groove and a positioning component movably installed in the inner cavity at one end of the telescopic frame. One side of the positioning component extends to the outside of the telescopic frame for installation. An auxiliary handle is fixedly installed at the end of the telescopic frame, and an adjusting component is movably installed inside the auxiliary handle. The adjusting component is movably installed in the inner cavity of the telescopic frame.

[0010] Preferably, the adjusting assembly includes an adjusting plate slidably installed in the inner cavity of the telescopic frame and an adjusting rack fixedly installed on one side of the adjusting plate. One side of the adjusting rack is meshed with a driving gear. The lower end of the driving gear is fixedly installed with a transmission gear. Both sides of the transmission gear are installed with insertion rods. Both sides of the insertion rods are fixedly installed with transmission racks, and the transmission racks are meshed with the transmission gear for transmission.

[0011] Preferably, one side of the insertion rod is provided with a telescopic spring, and one side of the telescopic spring is installed in the inner cavity of the telescopic frame.

[0012] Preferably, the end of the insertion rod is in a closed shape and penetrates through and extends to the outside of the telescopic frame for installation.

[0013] Preferably, positioning holes are formed between the two inner walls of the inner cavity of the chute, and the positioning holes are matched with the diameter of the insertion rod.

[0014] The disassembly and assembly tool for the handbrake valve block of the utility model has the following advantages:

[0015] When using the disassembly and assembly tool for the handbrake valve block of a loader, according to actual needs, assemble the fastening bolt and the adjusting nut, adjust the height of the exposed fastening bolt, and then insert the working part into the hole in the spring pre-tightening cover. Rotate and remove the spring pre-tightening cover through the handle. After the internal maintenance of the valve block is completed, use the same method for installation and fastening. This device can quickly disassemble and assemble the handbrake valve block, avoid the knocking injury of the cylindrical parts flying off the operators during the disassembly and assembly process, is safe and efficient, can be operated by a single person, and has strong operability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the structure of the working part of the present utility model;

[0019] Figure 3 is a schematic diagram of the structure of the extension part of the present utility model;

[0020] Figure 4 is a schematic diagram of the structure of the adjusting assembly of the present utility model;

[0021] Figure 5Schematic diagram of the positioning hole structure of the present utility model.

[0022] Description of the markings in the figure: 100, working part; 110, mounting part; 120, handle; 130, fastening bolt; 140, adjusting nut; 150, sliding groove; 160, positioning hole; 200, extension part; 210, telescopic frame; 220, auxiliary handle; 230, adjusting component; 231, adjusting plate; 232, adjusting rack; 233, driving gear; 234, transmission gear; 235, inserting rod; 236, transmission rack; 237, telescopic spring; 240, positioning component. Detailed implementation manners

[0023] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0024] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "length", "vertical", "horizontal", "top", "bottom", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present utility model.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0026] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "mount", "connect", "couple", "fix", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0027] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present utility model. To simplify the disclosure of the embodiments of the present utility model, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0028] To better understand the purpose, structure, and function of the present utility model, the following further describes in detail a disassembly and assembly tool for a loader handbrake valve block of the present utility model with reference to the accompanying drawings.

[0029] As Figures 1-5 shown, a disassembly and assembly tool for a loader handbrake valve block of the present utility model includes a working part 100 for fixing and disassembling and assembling the handbrake valve block, and extension parts 200 for assisting disassembly and assembly installed on both sides of the working part 100. The extension parts 200 are movably installed inside sliding grooves 150 opened on both sides of the working part 100.

[0030] The working part 100 includes a mounting part 110 for fixing and installing with the handbrake valve block and handles 120 installed on both sides of the mounting part 110. The handles 120 are used to assist the mounting part 110 in rotating to disassemble the handbrake valve block. The sliding grooves 150 are opened in the inner cavities of the handles 120. Through holes for installing and fastening with the handbrake valve block are penetrated through both sides of the mounting part 110, and the fastening bolts 130 are adjusted in position through adjusting nuts 140.

[0031] During use, according to actual needs, the fastening bolts 130 and the adjusting nuts 140 are assembled, the height of the exposed fastening bolts 130 is adjusted, and then the working part 100 is inserted into the hole in the spring pre-tightening cover. Through the handles 120, the spring pre-tightening cover is rotated and disassembled. After the internal repair of the valve block is completed, the same method is used for installation and fastening. This device can quickly disassemble and assemble the handbrake valve block, avoid the collision injury of the cylindrical parts flying off the operators during the disassembly and assembly process, is safe and efficient, can be operated by a single person, and has strong operability.

[0032] Furthermore, the adjusting nut 140 is movably installed on one side of the mounting part 110 and is threadedly installed with the fastening bolt 130 movably installed in the inner cavity. The inner end of the fastening bolt 130 is inserted into the hole opened on the side of the handbrake valve block. The fastening bolt 130 can be rotated to a specific position according to needs, and the adjusting nut 140 is used to fasten the fastening bolt 130 to avoid the loosening and falling off of the fastening bolt 130 during the disassembly and assembly process, causing personnel collision injuries.

[0033] Further, a symmetric double handle is designed, and the handle 120 applies force smoothly when disassembling and assembling the handbrake valve block, avoiding uneven force and damage to the thread of the spring pre-tightening cover of the handbrake valve block.

[0034] Further, two symmetric adjusting nuts 140 are made according to actual needs, and the size of the threaded hole is made according to actual needs to facilitate the fixing of the fastening bolt 130.

[0035] Further, the fastening bolt 130 is arranged to be movably installed, and can be directly replaced after the fastening bolt 130 is damaged.

[0036] The extension part 200 includes a telescopic frame 210 inserted inside the sliding groove 150 and a positioning component 240 movably installed in the inner cavity of one end of the telescopic frame 210. One side of the positioning component 240 extends to the outside of the telescopic frame 210 for installation. An auxiliary handle 220 for assisting the user to operate is fixedly installed at the end of the telescopic frame 210. An adjusting component 230 for adjusting the positioning component 240 is movably installed inside the auxiliary handle 220, and the adjusting component 230 is movably installed in the inner cavity of the telescopic frame 210.

[0037] When using the working part 100, the two telescopic frames 210 can be pulled out from inside the sliding groove 150 through the auxiliary handle 220, and further the working distance of the handle 120 can be extended. When pressing down the handle 120 to rotate, increasing the torque can effectively save effort, which is convenient for disassembling and assembling the handbrake valve block, and the operation is simple and convenient.

[0038] The adjusting component 230 includes an adjusting plate 231 slidably installed in the inner cavity of the telescopic frame 210 and an adjusting rack 232 fixedly installed on one side of the adjusting plate 231 for driving. A driving gear 233 is meshed and installed on one side of the adjusting rack 232. A transmission gear 234 for transmission is fixedly installed at the lower end of the driving gear 233. Insertion rods 235 for fixing the telescopic frame 210 are installed on both sides of the transmission gear 234. Transmission racks 236 are fixedly installed on both sides of the insertion rod 235, and the transmission racks 236 are meshed and transmitted with the transmission gear 234 to drive the insertion rod 235 to move. Positioning holes 160 for fixing the insertion rod 235 are formed between the two inner walls of the inner cavity of the sliding groove 150, and the positioning holes 160 match the diameter of the insertion rod 235.

[0039] When extending the telescopic frame 210, the adjusting plate 231 can be pulled, and the driving gear 233 is driven to rotate through the adjusting rack 232 installed on one side. Then, the insertion rod 235 is driven to move through the transmission gear 234 fixedly installed at the lower end. Further, the insertion rod 235 can be pulled out from inside the positioning hole 160. After adjusting to a suitable distance, the insertion rod 235 can be inserted into the positioning hole 160 near the corresponding position, which is convenient for fixing the telescopic frame 210 and convenient for use.

[0040] Further, a telescopic spring 237 for pushing the insertion rod 235 to move is provided on one side of the insertion rod 235. One side of the telescopic spring 237 is installed in the inner cavity of the telescopic frame 210, which facilitates pushing the insertion rod 235 to rebound and snap into the positioning hole 160.

[0041] Further, the end of the insertion rod 235 is in a closed-mouth shape and extends through and is installed outside the telescopic frame 210, which facilitates the insertion rod 235 to snap into the positioning hole 160 and avoids misalignment.

[0042] Working principle of a disassembly and assembly tool for a loader handbrake valve block: During use, according to actual requirements, assemble the fastening bolt 130 and the adjusting nut 140, adjust the height of the exposed fastening bolt 130, and then insert the working part 100 into the hole in the spring pre-tightening cover. Rotate and remove the spring pre-tightening cover through the handle 120. After the internal maintenance of the valve block is completed, use the same method for installation and fastening. This device can quickly disassemble and assemble the handbrake valve block, avoid the collision injury of the cylindrical parts flying off the operator during the disassembly and assembly process, is safe and efficient, can be operated by a single person, and has strong operability.

[0043] It can be understood that the present utility model is described through some embodiments. Those skilled in the art know that without departing from the spirit and scope of the present utility model, various changes or equivalent replacements can be made to these features and embodiments. Additionally, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. A loader hand brake valve block disassembly and assembly tool, characterized by: include A working part (100) is used for fixing and disassembling the handbrake valve block, and an extension part (200) installed on both sides of the working part (100), wherein the extension part (200) is movably installed inside the slide grooves (150) opened on both sides of the working part (100); The working part (100) comprises a mounting member (110) and handles (120) mounted on both sides of the mounting member (110); the slide groove (150) is provided in the inner cavity of the handle (120); fastening bolts (130) are installed through both sides of the mounting member (110); and the position of the fastening bolts (130) is adjusted by adjusting nuts (140).

2. The loader hand brake valve block disassembly and assembly tool according to claim 1, characterized in that: The adjusting nut (140) is movably mounted on one side of the mounting member (110) and is threadedly mounted with a fastening bolt (130) movably mounted in the inner cavity, and the inner end of the fastening bolt (130) is inserted into a hole opened on the side of the hand brake valve block.

3. The loader hand brake valve block disassembly and assembly tool according to claim 2, characterized in that: The extension portion (200) comprises a telescopic frame (210) inserted into the slide groove (150) and a positioning component (240) movably mounted in an inner cavity at one end of the telescopic frame (210); one side of the positioning component (240) extends to the outside of the telescopic frame (210) for installation; an auxiliary handle (220) is fixedly mounted on the end of the telescopic frame (210); an adjustment component (230) is movably mounted inside the auxiliary handle (220); and the adjustment component (230) is movably mounted in the inner cavity of the telescopic frame (210).

4. The loader hand brake valve block disassembly and assembly tool according to claim 3, characterized in that: The adjustment assembly (230) comprises an adjustment plate (231) slidably mounted in the inner cavity of the telescopic frame (210) and an adjustment rack (232) fixedly mounted on one side of the adjustment plate (231); a driving gear (233) is meshedly mounted on one side of the adjustment rack (232); a transmission gear (234) is fixedly mounted on the lower end of the driving gear (233); plug-in rods (235) are mounted on both sides of the transmission gear (234); transmission racks (236) are fixedly mounted on both sides of the plug-in rod (235); and the transmission rack (236) meshes with the transmission gear (234) for transmission.

5. The loader hand brake valve block disassembly and assembly tool according to claim 4, characterized in that: A telescopic spring (237) is provided on one side of the insertion rod (235), and one side of the telescopic spring (237) is installed in the inner cavity of the telescopic frame (210).

6. The loader hand brake valve block disassembly and assembly tool according to claim 5, characterized in that: The end of the insertion rod (235) is in a closed shape and extends through and to the outside of the telescopic frame (210) for installation.

7. The loader hand brake valve block disassembly and assembly tool according to claim 6, characterized in that: Positioning holes (160) are provided between the two walls of the inner cavity of the slide groove (150), and the positioning holes (160) match the diameter of the insertion rod (235).

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