A movable and adjustable earring-type hydraulic cylinder disassembly trolley

Abstract

The utility model discloses a movable and adjustable earring type hydraulic cylinder disassembly trolley, comprising a vehicle body, a linear guide assembly, a fixed roller assembly, a mobile roller assembly and a lifting clamping mechanism; the vehicle body has a moving function; the linear guide assembly is mounted on the top surface of the vehicle body; the fixed roller assembly is mounted on the top surface of the vehicle body and is located at the tail end of the linear guide assembly; the mobile roller assembly is slidably arranged on the linear guide assembly and arranged in parallel with the fixed roller assembly, and the spacing between the fixed roller assembly and the mobile roller assembly is adjusted by changing the position of the mobile roller assembly on the linear guide assembly; the lifting clamping mechanism is mounted on the side of the vehicle body close to the fixed roller assembly, and a clamping plate is mounted on the top of the lifting clamping mechanism. Through the technical solution of the utility model, the operator can separate the cylinder barrel and the piston rod assembly by using a tool, and then disassemble the piston and separate the guide sleeve by using a hook wrench.

Description

Technical Field

[0001] The utility model relates to a movable and adjustable earring-type hydraulic cylinder disassembling trolley, belonging to the technical field of hydraulic cylinders. Background Art

[0002] As the core component of construction machinery, hydraulic cylinders frequently fail due to complex working conditions. Common failures include internal leakage, seal damage, strain on the inner hole of the cylinder barrel, and bumps on the piston rod surface. The existing method of disassembling cylinders is mainly based on cylinder assembling machines, which are suitable for hydraulic cylinders with a cylinder diameter of more than 200mm and a stroke of more than 500mm. For small-bore and short-stroke hydraulic cylinders, the existing method is mainly ground disassembly, which is not very efficient. In the case of unclear damage to the cylinder, it is also possible to damage the cylinder barrel and other parts, increasing maintenance costs.

[0003] The existing patent discloses a hydraulic cylinder disassembly and assembly integrated machine for construction machinery (CN201620819228.8). This technical solution has the following shortcomings:

[0004] 1) The piston rod is bumped during disassembly;

[0005] 2) It is necessary to hoist and replace the tooling, which is suitable for cylinders with larger cylinder diameters and longer strokes;

[0006] 3) Only applicable to disassembly of a single cylinder. Summary of the invention

[0007] In view of the deficiencies in the prior art, the utility model provides a movable and adjustable earring-type hydraulic cylinder disassembly trolley.

[0008] The utility model is implemented according to the following technical solutions:

[0009] A movable and adjustable earring-type hydraulic cylinder disassembly trolley, comprising:

[0010] The vehicle body has a mobile function;

[0011] A linear guide assembly is mounted on the top surface of the vehicle body;

[0012] A fixed roller assembly is mounted on the top surface of the vehicle body and is located at the rear end of the linear guide assembly;

[0013] A movable roller assembly is slidably disposed on the linear guide assembly and arranged in parallel with the fixed roller assembly, and the spacing between the fixed roller assembly and the movable roller assembly is adjusted by changing the position of the movable roller assembly on the linear guide assembly;

[0014] The lifting and clamping mechanism is installed on the side of the vehicle body close to the fixed roller assembly, and a clamping plate is installed on the top of the lifting and clamping mechanism.

[0015] In some embodiments, a roller assembly is installed at the bottom of the vehicle body.

[0016] In some embodiments, the roller assembly consists of two fixed wheels and two universal wheels.

[0017] In some embodiments, the lifting and clamping mechanism comprises:

[0018] The screw lift comprises a main structure and a lead screw, wherein the main structure converts circular motion into up and down linear motion of the lead screw; the main structure is mounted on the vehicle body, and the clamp is mounted on the top of the lead screw;

[0019] The handle is connected to the main structure, and the operator rotates the handle to provide power to the main structure.

[0020] In some embodiments, the host structure includes:

[0021] Hollow box;

[0022] A worm, rotatably supported on the box body through a bearing, one end of the worm being connected to the handle;

[0023] A worm wheel is installed in the housing, and the outer ring teeth of the worm wheel are meshed with the threaded segments on the worm;

[0024] The lead screw vertically penetrates the box body, and the inner ring thread of the worm wheel is matched and connected with the outer thread of the lead screw; the handle drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the lead screw to move up and down.

[0025] In some embodiments, the handle is composed of a disc and a crank, wherein the center of the disc is fixedly connected to the worm in the screw jack, and the crank is mounted on the periphery of the disc in a manner perpendicular to the disc.

[0026] In some embodiments, there are two lifting and clamping mechanisms, which are symmetrically arranged on the vehicle body, and the worm gears in the two lifting and clamping mechanisms are combined together through a connecting rod; by rotating the worm gear of any lifting and clamping mechanism, the worm gear of the other lifting and clamping mechanism can be driven to rotate synchronously through the connecting rod.

[0027] In some embodiments, the moving roller assembly comprises:

[0028] A base plate, a bottom surface of which is mounted with a slider for assembly on the linear guide assembly;

[0029] A plurality of roller structures are evenly spaced and arranged in a line, including a pair of opposite seat bearings and a roller with a double cone structure; a pair of opposite seat bearings are installed on the top surface of the bottom plate; the roller with the double cone structure is rotatably supported between the two seat bearings.

[0030] In some embodiments, the fixed roller assembly comprises:

[0031] A bottom plate, the bottom surface of which is fixed to the vehicle body;

[0032] A plurality of roller structures are evenly spaced and arranged in a line, including a pair of opposite seat bearings and a roller with a double cone structure; a pair of opposite seat bearings are installed on the top surface of the bottom plate; the roller with the double cone structure is rotatably supported between the two seat bearings.

[0033] In some embodiments, a handrail for moving the vehicle body is installed on the side of the vehicle body close to the lifting and clamping mechanism.

[0034] Beneficial effects of the utility model:

[0035] The utility model uses a screw lift at the fixed end to drive the clamping plate to clamp the earrings at the bottom of the cylinder to fix the oil cylinder. The linear guide rail at the movable end drives the nylon roller to move back and forth to support the cylinder. The operator uses a tool to separate the cylinder and the piston rod assembly. The screw lift at the fixed end clamps the earrings of the separated piston rod assembly, the nylon roller supports the piston rod diameter, the hook wrench disassembles the piston, and separates the guide sleeve. The two fixed wheels and two universal wheels of the trolley can be flexibly moved and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0037] In the attached picture:

[0038] Figure 1 It is a side view of a disassembly trolley for the movable and adjustable earring-type hydraulic cylinder of the utility model;

[0039] Figure 2 The front view and top view of the disassembly trolley of the movable and adjustable earring-type hydraulic cylinder of the utility model (a is the front view, b is the top view);

[0040] Figure 3 The front view and top view of the roller assembly of the utility model (a is the front view, b is the top view);

[0041] Figure 4 The front view and side view of the lifting and clamping mechanism of the utility model (a is the front view, b is the side view).

[0042] Figure identification: 1-car body, 2-linear guide rail assembly, 3-moving roller assembly, 4-fixed roller assembly, 5-lifting clamping mechanism, 11-seat bearing, 12-roller, 13-base plate, 14-handle, 15-screw lift, 16-connecting rod.

[0043] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0045] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] like Figure 1 , Figure 2 As shown, a movable and adjustable earring type hydraulic cylinder disassembly trolley includes a vehicle body 1, a linear guide assembly 2, a fixed roller assembly 4, a movable roller assembly 3 and a lifting clamping mechanism 5; the vehicle body 1 has a moving function; the linear guide assembly 2 is installed on the top surface of the vehicle body 1; the fixed roller assembly 4 is installed on the top surface of the vehicle body 1 and is located at the tail end of the linear guide assembly 2; the movable roller assembly 3 is slidably arranged on the linear guide assembly 2 and is arranged parallel to the fixed roller assembly 4, and the spacing between the fixed roller assembly 4 and the movable roller assembly 3 is adjusted by changing the position of the movable roller assembly 3 on the linear guide assembly 2; the lifting clamping mechanism 5 is installed on the side of the vehicle body 1 close to the fixed roller assembly 4, and a clamping plate is installed on the top of the lifting clamping mechanism 5.

[0048] Further solutions, such as Figure 1 , Figure 2 As shown, a roller assembly is installed at the bottom of the vehicle body 1.

[0049] The preferred solution is Figure 1 , Figure 2 As shown, the roller assembly consists of two fixed wheels and two universal wheels.

[0050] The preferred solution is Figure 1 , Figure 2 As shown, a handrail for moving the vehicle body 1 is installed on the side of the vehicle body 1 close to the lifting and clamping mechanism 5.

[0051] It should be noted that Figure 1 , Figure 2 The specific dimensions of the vehicle body 1 are given. Of course, in actual use, they are not limited to the above dimensions and can be adjusted accordingly according to implementation requirements.

[0052] The above-mentioned lifting and clamping mechanism is further described below.

[0053] like Figure 4 As shown, the lifting and clamping mechanism 5 includes a screw lift 15 and a handle 14; the screw lift 15 includes a main structure and a screw, and the main structure converts the circular motion into the up and down linear motion of the screw; the main structure is installed on the vehicle body 1, and the clamp is installed on the top of the screw; the handle 14 is connected to the main structure, and the operator rotates the handle 14 to provide power to the main structure.

[0054] Further solutions, such as Figure 4 As shown, the main machine structure includes a hollow box body, a worm, a worm wheel and a lead screw; the worm is rotatably supported on the box body through a bearing, and one end of the worm is connected to a handle 14; the worm wheel is installed in the box body, and the outer ring teeth of the worm wheel are meshed with the threaded section on the worm; the lead screw vertically penetrates the box body, and the inner ring thread of the worm wheel is matched and connected with the outer thread of the lead screw; the handle 14 drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the lead screw to move up and down.

[0055] Further solutions, such as Figure 4 As shown, the handle 14 is composed of a disc and a crank, the center of the disc is fixedly connected to the worm in the screw jack 15, and the crank is installed on the periphery of the disc in a manner perpendicular to the disc.

[0056] Further solutions, such as Figure 4As shown, there are two lifting and clamping mechanisms 5, which are symmetrically arranged on the vehicle body 1, and the worm gears in the two lifting and clamping mechanisms 5 are combined together through a connecting rod 16; rotating the worm gear of any lifting and clamping mechanism 5 can simultaneously drive the worm gear of the other lifting and clamping mechanism 5 to rotate synchronously through the connecting rod 16.

[0057] The above-mentioned moving roller assembly is further described below.

[0058] like Figure 3 As shown, the movable roller assembly 3 includes a base plate 13 and four roller structures that are evenly spaced and arranged in a line; a slider for assembly on the linear guide assembly 2 is installed on the bottom surface of the base plate 13; the roller structure includes a pair of opposite seat bearings 11 and a roller 12 with a double cone structure, and a pair of opposite seat bearings 11 are installed on the top surface of the base plate 13; the roller 12 with a double cone structure is rotatably supported between the two seat bearings 11.

[0059] In a preferred solution, the roller is a nylon roller.

[0060] The above-mentioned fixed roller assembly is further described below.

[0061] like Figure 3 As shown, the fixed roller assembly 4 includes a base plate 13 and four roller structures that are evenly spaced and arranged in a line; the bottom surface of the base plate 13 is fixed to the vehicle body 1; the roller structure includes a pair of opposite seat bearings 11 and a roller 12 with a double cone structure, and the pair of opposite seat bearings 11 are installed on the top surface of the base plate 13; the roller 12 with a double cone structure is rotatably supported between the two seat bearings 11.

[0062] In a preferred solution, the roller is a nylon roller.

[0063] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown in the figure, in actual operation, the screw lift at the fixed end drives the clamping plate to clamp the earrings at the bottom of the cylinder to fix the oil cylinder. The linear guide at the moving end drives the nylon roller to move back and forth to support the cylinder. The operator uses tools to separate the cylinder and the piston rod assembly. The screw lift at the fixed end clamps the earrings of the separated piston rod assembly, the nylon roller supports the piston rod diameter, and the hook wrench disassembles the piston to separate the guide sleeve.

[0064] The following is an explanation of the nouns mentioned above.

[0065] Hydraulic cylinder: It is an actuator in the hydraulic system, which converts hydraulic energy into mechanical energy to achieve linear reciprocating motion. The main components include: cylinder assembly, piston rod assembly, guide sleeve, piston, seal, etc.

[0066] Piston: A key component in a hydraulic cylinder. When working, it reciprocates with the piston rod in the hydraulic cylinder barrel.

[0067] Guide sleeve: guides the piston rod to make reciprocating linear motion.

[0068] Linear guide: also known as linear rail, slide rail, linear guide. It is used for high-precision or linear reciprocating motion occasions, and can bear a certain torque, and can achieve high-precision linear motion under high load conditions.

[0069] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0070] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0071] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A movable and adjustable earring type hydraulic cylinder disassembly trolley, characterized in that: include: The vehicle body has a mobile function; A linear guide assembly is mounted on the top surface of the vehicle body; A fixed roller assembly is mounted on the top surface of the vehicle body and is located at the rear end of the linear guide assembly; A movable roller assembly is slidably disposed on the linear guide assembly and arranged in parallel with the fixed roller assembly, and the spacing between the fixed roller assembly and the movable roller assembly is adjusted by changing the position of the movable roller assembly on the linear guide assembly; The lifting and clamping mechanism is installed on the side of the vehicle body close to the fixed roller assembly, and a clamping plate is installed on the top of the lifting and clamping mechanism.

2. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 1 is characterized in that: A roller assembly is installed at the bottom of the vehicle body.

3. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 2 is characterized in that: The roller assembly consists of two fixed wheels and two universal wheels.

4. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 1 is characterized in that: The lifting and clamping mechanism comprises: The screw lift comprises a main structure and a lead screw, wherein the main structure converts circular motion into up and down linear motion of the lead screw; the main structure is mounted on the vehicle body, and the clamp is mounted on the top of the lead screw; The handle is connected to the main structure, and the operator rotates the handle to provide power to the main structure.

5. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 4 is characterized in that: The host structure includes: Hollow box; A worm, rotatably supported on the box body through a bearing, one end of the worm being connected to the handle; A worm wheel is installed in the housing, and the outer ring teeth of the worm wheel are meshed with the threaded segments on the worm; The lead screw vertically penetrates the box body, and the inner ring thread of the worm wheel is matched and connected with the outer thread of the lead screw; the handle drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the lead screw to move up and down.

6. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 4, characterized in that: The handle consists of a disc and a crank, the center of the disc is fixedly connected to the worm in the screw elevator, and the crank is installed on the periphery of the disc in a manner perpendicular to the disc.

7. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 1 is characterized in that: There are two lifting and clamping mechanisms, which are symmetrically arranged on the vehicle body, and the worms in the two lifting and clamping mechanisms are combined together through a connecting rod; by rotating the worm of any lifting and clamping mechanism, the worm of the other lifting and clamping mechanism can be driven to rotate synchronously through the connecting rod.

8. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 1, characterized in that: The mobile roller assembly comprises: A base plate, a bottom surface of which is mounted with a slider for assembly on the linear guide assembly; A plurality of roller structures arranged evenly and in a line, including: A pair of opposite bearing seats are mounted on the top surface of the base plate; The roller with double cone structure is rotatably supported between two bearing seats.

9. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 1, characterized in that: The fixed roller assembly comprises: A bottom plate, the bottom surface of which is fixed to the vehicle body; A plurality of roller structures arranged evenly and in a line, including: A pair of opposite bearing seats are mounted on the top surface of the base plate; The roller with double cone structure is rotatably supported between two bearing seats.

10. The movable and adjustable earring-type hydraulic cylinder disassembly trolley according to claim 1, characterized in that: An armrest for moving the vehicle body is installed on the side of the vehicle body close to the lifting and clamping mechanism.

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