Drawing device of hydraulic coupler

Abstract

The drawing device of the hydraulic coupler comprises a puller main body, a protruding block is arranged on the surface of one end of the puller main body, an extension rod penetrates through the inner side of the puller main body, a cross-shaped groove is formed in the inner side of one end of the extension rod, one side of the cross-shaped groove is communicated with an adaptive groove, and the other side of the cross-shaped groove is communicated with the adaptive groove. The inner side of the cross groove is connected with a cross clamping block in a clamped mode. Through the combined use of the extension rod, the cross groove, the adaptive groove, the extrusion rod and the clamping sleeve, the whole pull handle device can be conveniently and subsequently assembled according to actual use requirements, and the pull handle device is convenient and rapid to use, easy to carry, higher in practicability and convenient to popularize and use. When the cross clamping block and the adaptive block arranged at one end of the extrusion rod are input into the inner side of the cross groove and the inner side of the adaptive groove respectively, the extrusion rod and the extension rod can be rapidly connected, clamping connection of the clamping sleeve and the puller body can be achieved by combining clamping of the clamping sleeve and the protruding block, more convenience is achieved, and the occupied space is smaller after disassembly.

Description

Technical Field

[0001] The utility model relates to the field of a pulling device for a hydraulic coupler, in particular to a pulling device for a hydraulic coupler. Background Art

[0002] The hydraulic coupling is a non-rigid coupling that uses liquid as the working medium. The pump wheel and turbine of the hydraulic coupling form a closed working chamber that allows the liquid to circulate. The pump wheel is installed on the input shaft, and the turbine is installed on the output shaft. The two wheels are semicircular rings with many blades arranged radially. They are coupled and arranged facing each other without contacting each other. There is a gap of 3mm to 4mm in the middle, and a ring-shaped working wheel is formed. The driving wheel is called the pump wheel, and the driven wheel is called the turbine. The pump wheel and the turbine are both called working wheels. After the pump wheel and the turbine are assembled, an annular cavity is formed, which is filled with working oil;

[0003] For example, a pulling device for a hydraulic coupler disclosed in the utility model with authorization announcement number CN209289155U drives the pulling rod to pull the hydraulic coupler through an external driving member, which greatly reduces the labor intensity of the operator and improves the pulling work efficiency. However, most of the current pulling devices for hydraulic couplers are large in size, so it is relatively inconvenient to use and carry. When carrying, the pulling device of the hydraulic coupler needs to occupy a large space, which is not only inconvenient to transport, but also relatively time-consuming and labor-intensive to carry, and has poor practicality. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a pulling device for a hydraulic coupler, which can solve the problem that the existing pulling device for the hydraulic coupler drives the pulling rod to pull the hydraulic coupler through an external driving member, greatly reduces the labor intensity of the operator and improves the pulling work efficiency. However, most of the pulling devices for the hydraulic couplers currently have a large volume, so it is relatively inconvenient to use and carry. When carrying, the pulling device for the hydraulic coupler needs to occupy a large space, which is not only inconvenient to transport, but also relatively time-consuming and labor-intensive to carry, and has poor practicality. Technical problems.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a pulling device of a hydraulic coupler, comprising a puller body, a protrusion is arranged on the surface of one end of the puller body, an extension rod passes through the inner side of the puller body, and a cross groove is opened on the inner side of one end of the extension rod, one side of the cross groove is connected to an adapter groove, the inner side of the cross groove is engaged with a cross block, and one end of the cross block is fixedly connected to an adapter block, and the other end of the adapter block is fixedly connected to an extrusion rod, a ferrule is distributed on one side of the puller body, and a ferrule is opened in the inner cavity of the ferrule, the inner side wall of the ferrule is opened, and a retaining groove is distributed on one side of the opening, and a pulling structure is fixedly connected to one end of the ferrule.

[0006] As a preferred technical solution of the utility model, the pulling structure includes a first threaded joint, a connecting rod, a thread groove and a second threaded joint. The first threaded joint is arranged at one end of the ferrule, and a connecting rod is distributed at the other end of the first threaded joint. A thread groove is opened on the inner side of one end of the connecting rod, and a second threaded joint is arranged at the other end of the connecting rod.

[0007] As a preferred technical solution of the utility model, a movable rod is arranged on the inner side of one end of the puller body away from the extension rod, the other end of the puller body is connected to a connecting pipe, and the other end of the connecting pipe is connected to an oil cylinder.

[0008] As a preferred technical solution of the utility model, the protrusions are equidistantly distributed along the center point of the puller body, and the size of the protrusions is adapted to the size of the opening.

[0009] As a preferred technical solution of the utility model, the adapter groove is hexagonal as a whole, and the inner diameter of the adapter groove is matched with the outer diameter of the adapter block.

[0010] As a preferred technical solution of the present utility model, the first threaded joint is threadedly connected to the connecting rod through the thread groove, and the thread groove and the connecting rod form an integrated structure.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By using the combination of the provided extension rod, cross groove, adapter groove, extrusion rod and ferrule, the assembly of the entire pull handle device can be realized according to the actual use requirements in the future. It is convenient and quick, easy to carry, and more practical. When the cross block and adapter block provided at one end of the extrusion rod are respectively input into the inner side of the cross groove and the adapter groove, the extrusion rod and the extension rod can be quickly connected. Then, the engagement of the ferrule and the protrusion can realize the engagement connection between the ferrule and the puller body, which is more convenient and occupies less space after disassembly.

[0013] 2. By using the combination of the set threaded joint, the threaded groove and the connecting pipe, the subsequent assembly process of the pulling structure can be facilitated. When one end of the connecting pipe with the threaded groove is engaged with the first threaded joint, it is only necessary to rotate the connecting pipe to achieve a quick connection with the ferrule through the first threaded joint, and then the set second threaded joint can be used to achieve the threaded connection between the entire connecting pipe and the coupler, which is convenient for the subsequent pulling process of the coupler. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the pulling device of the hydraulic coupler of the utility model;

[0015] Figure 2 It is a side view structural diagram of the puller body of the pulling device of the hydraulic coupler of the utility model;

[0016] Figure 3 This is a bottom view of the extension rod structure of the pull-out device of the hydraulic coupler of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the ferrule of the pulling device of the hydraulic coupler of the utility model;

[0018] Among them: 1. Puller body; 2. Bump; 3. Extension rod; 4. Cross groove; 5. Adapter groove; 6. Cross clamping block; 7. Adapter block; 8. Extrusion rod; 9. Clamping sleeve; 10. Clamping groove; 11. Opening; 12. Stop groove; 13. First threaded joint; 14. Connecting rod; 15. Threaded groove; 16. Second threaded joint; 17. Movable rod; 18. Connecting pipe; 19. Cylinder. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 , Figure 2 and Figure 3As shown, the utility model provides a pulling device for a hydraulic coupler, comprising a puller body 1, a protrusion 2 is arranged on the surface of one end of the puller body 1, an extension rod 3 is penetrated through the inner side of the puller body 1, and a cross groove 4 is arranged on the inner side of one end of the extension rod 3, one side of the cross groove 4 is connected with an adapting groove 5, a cross clamping block 6 is clamped and connected to the inner side of the cross groove 4, and an adapting block 7 is fixedly connected to one end of the cross clamping block 6, and an extrusion rod 8 is fixedly connected to the other end of the adapting block 7, a ferrule 9 is distributed on one side of the puller body 1, and a clamping groove 10 is arranged in the inner cavity of the ferrule 9, an inner side wall opening 11 is arranged on the inner side wall of the ferrule 9, and a retaining groove 12 is distributed on one side of the opening 11, a pulling structure is fixedly connected to one end of the ferrule 9, a movable rod 17 is arranged on the inner side of one end of the puller body 1 away from the extension rod 3, a connecting pipe 18 is connected to the other end of the puller body 1, and an oil cylinder 19 is connected to the other end of the connecting pipe 18;

[0022] When in use, first connect the connecting tube 18 to the puller body 1, then engage the extrusion rod 8 with the extension rod 3, then engage the clamping sleeve 9 to the outside of one end of the puller body 1, and connect the connecting rod 14 to the coupler, and then move the movable rod 17 through the operation of the oil cylinder 19, and use the movement of the movable rod 17 to push the extension rod 3, so that the extension rod 3 squeezes the device, and then the reverse force on the puller body 1 will cause the clamping sleeve 9 to drive the connecting rod 14 to pull the coupler, which is convenient for the subsequent pulling of the coupler;

[0023] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a protrusion 2 is provided on the surface of one end of the puller body 1, and the protrusions 2 are equidistantly distributed along the center point of the puller body 1, and the size of the protrusion 2 is adapted to the size of the opening 11, an extension rod 3 is passed through the inner side of the puller body 1, and a cross groove 4 is provided on the inner side of one end of the extension rod 3, and an adapting groove 5 is connected to one side of the cross groove 4, and the adapting groove 5 is hexagonal as a whole, and the inner diameter size of the adapting groove 5 is adapted to the outer diameter size of the adapting block 7, a cross block 6 is snap-connected to the inner side of the cross groove 4, and one end of the cross block 6 is fixedly connected to the adapting block 7, and the other end of the adapting block 7 is fixedly connected to the extrusion rod 8, a ferrule 9 is distributed on one side of the puller body 1, and the inner cavity of the ferrule 9 is provided with A card slot 10, an inner wall opening 11 of the card sleeve 9, and a retaining groove 12 is distributed on one side of the opening 11, a first threaded joint 13 is arranged at one end of the card sleeve 9, and a connecting rod 14 is distributed at the other end of the first threaded joint 13, the first threaded joint 13 is threadedly connected with the connecting rod 14 through a thread groove 15, and the thread groove 15 and the connecting rod 14 form an integrated structure, the connecting rod 14 is a hollow structure, a thread groove 15 is opened on the inner side of one end of the connecting rod 14, and a second threaded joint 16 is arranged at the other end of the connecting rod 14, the first threaded joint 13, the connecting rod 14, the thread groove 15 and the second threaded joint 16 constitute a drawing structure, and the drawing structure is arranged at one end of the card sleeve 9;

[0024] First, the adapter block 7 and the cross block 6 provided at one end of the extrusion rod 8 are respectively input into the inner sides of the cross groove 4 and the adapter groove 5, and then the extrusion rod 8 and the extension rod 3 are connected by the tight engagement of the two, which is not only easy to assemble, but also convenient for subsequent disassembly, and then the threaded connection between the connecting rod 14 and the first threaded joint 13 is realized through the threaded groove 15 opened on the inner side of one end of the connecting rod 14, and then the second threaded joint 16 is used to realize the stable connection between the connecting rod 14 and the coupler, and then the puller body 1 drives the extension rod 3 and the extrusion rod 8 to be input into the inner side of the ferrule 9, so that it passes through the inner side of the connecting rod 14 and contacts with the instrument, and at the same time, the puller body 1 drives the protrusion 2 through the inner side of the opening 11, and the puller body 1 is back engaged with the inner side of the card slot 10, and then the puller body 1 is rotated to input the protrusion 2 into the inner side of the retaining groove 12, so that the puller body 1 and the ferrule 9 can be stably engaged, which is convenient for the subsequent pulling of the coupler, which is convenient and quick;

[0025] Specific working principle:

[0026] The adapter block 7 and the cross block 6 provided at one end of the extrusion rod 8 are respectively input into the inner sides of the cross groove 4 and the adapter groove 5, and then the extrusion rod 8 and the extension rod 3 are connected by the tight engagement of the two, which is not only easy to assemble, but also convenient for subsequent disassembly, and then the threaded connection between the connecting rod 14 and the first threaded joint 13 is realized through the threaded groove 15 opened on the inner side of one end of the connecting rod 14, and then the second threaded joint 16 is used to realize the stable connection between the connecting rod 14 and the coupler, and then the puller body 1 drives the extension rod 3 and the extrusion rod 8 to be input into the inner side of the sleeve 9, so that it passes through the inner side of the connecting rod 14 and contacts with the instrument, and at the same time, the puller body 1 drives the protrusion 2 to pass through the inner side of the opening 11, and the puller The main body 1 is engaged with the inner side of the slot 10, and then the puller main body 1 is rotated to input the protrusion 2 into the inner side of the retaining slot 12, so that the puller main body 1 and the ferrule 9 can be stably engaged and connected, and then the connecting tube 18 is connected to the puller main body 1, and then the extrusion rod 8 and the extension rod 3 are engaged, and then the ferrule 9 is engaged with the outer side of one end of the puller main body 1, and the connecting rod 14 is connected to the coupler, and then the movable rod 17 is moved by the operation of the oil cylinder 19, and the movement of the movable rod 17 is used to push the extension rod 3, so that the extension rod 3 squeezes the device, and then the reverse force applied to the puller main body 1 will cause the ferrule 9 to drive the connecting rod 14 to pull the coupler, which is convenient for the subsequent pulling of the coupler.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pulling device for a hydraulic coupler, comprising a puller body (1), characterized in that: A protrusion (2) is provided on the surface of one end of the puller body (1), an extension rod (3) passes through the inner side of the puller body (1), and a cross groove (4) is provided on the inner side of one end of the extension rod (3), one side of the cross groove (4) is connected to an adaptor groove (5), the inner side of the cross groove (4) is snap-connected with a cross clamping block (6), and one end of the cross clamping block (6) is fixedly connected to an adaptor block (7), and the other end of the adaptor block (7) is fixedly connected to an extrusion rod (8), a clamping sleeve (9) is distributed on one side of the puller body (1), and a clamping groove (10) is provided in the inner cavity of the clamping sleeve (9), the inner side wall of the clamping sleeve (9) is opened (11), and a retaining groove (12) is distributed on one side of the opening (11), and one end of the clamping sleeve (9) is fixedly connected to a pulling structure.

2. The pulling device of a hydraulic coupling according to claim 1, characterized in that: The pulling structure comprises a first threaded joint (13), a connecting rod (14), a thread groove (15) and a second threaded joint (16); the first threaded joint (13) is arranged at one end of the ferrule (9), and a connecting rod (14) is distributed at the other end of the first threaded joint (13); a thread groove (15) is provided on the inner side of one end of the connecting rod (14), and a second threaded joint (16) is provided at the other end of the connecting rod (14).

3. The pulling device of a hydraulic coupling according to claim 1, characterized in that: A movable rod (17) is arranged on the inner side of one end of the puller body (1) away from the extension rod (3), the other end of the puller body (1) is connected to a connecting pipe (18), and the other end of the connecting pipe (18) is connected to an oil cylinder (19).

4. The pulling device of a hydraulic coupling according to claim 1, characterized in that: The protrusions (2) are distributed equidistantly along the center point of the puller body (1), and the size of the protrusions (2) is adapted to the size of the opening (11).

5. The pulling device of a hydraulic coupling according to claim 1, characterized in that: The adapting groove (5) is hexagonal in shape as a whole, and the inner diameter of the adapting groove (5) is adapted to the outer diameter of the adapting block (7).

6. The pulling device of a hydraulic coupling according to claim 2, characterized in that: The first threaded joint (13) is threadedly connected to the connecting rod (14) via the threaded groove (15), and the threaded groove (15) and the connecting rod (14) form an integrated structure.

Images