WO2012171253A1

WO2012171253A1 - Shaft sleeve assembly, position-fixing assembly, process apparatus, and assembling and disassembling method for shaft sleeve assembly

Info

Publication number: WO2012171253A1
Application number: PCT/CN2011/078365
Authority: WO
Inventors: 易伟平; 张红霞; 黄建军
Original assignee: 长沙中联重工科技发展股份有限公司; 湖南中联重科专用车有限责任公司
Priority date: 2011-06-17
Filing date: 2011-08-12
Publication date: 2012-12-20
Also published as: CN102226456B; CN102226456A

Abstract

A shaft sleeve assembly comprises: a shaft sleeve (30) having a boss (31) at a first end thereof; a lock ring (50) dismountably connected to a second end of the shaft sleeve (30). Also disclosed are a position-fixing assembly comprising the shaft sleeve assembly and a process apparatus, and an assembling and disassembling method for the shaft sleeve assembly. The shaft sleeve assembly of the present invention effectively solves the problem in the prior art of the shaft sleeve assembly and disassembly operations being inconvenient, thereby enhancing replacement efficiency.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of process equipment, and in particular to a bushing assembly, a positioning assembly, a process equipment, and a disassembly and assembly method of a bushing assembly . BACKGROUND OF THE INVENTION At present, in the field of process equipment, the positioning assembly for hole positioning can be divided into two categories according to whether it is suitable for the change of the aperture and thickness dimensions of the workpiece to be positioned: a dedicated positioning component and a universal positioning component.

(1) The special positioning component has no versatility and can only adapt to the predetermined aperture and thickness dimensions. Referring to Figure 1 to Figure 2, when the aperture and thickness dimensions of the positioned workpiece change, as shown in Figure 1 to Figure 2 When the aperture of the workpiece to be positioned changes from α to β and the thickness of the workpiece changes from Α to B, the positioning plate 10 ′ on the positioning component has no adaptability, and the positioning component needs to be directly replaced, which is extremely inconvenient to use and cost. Too high.

(b) The universal positioning assembly generally accommodates changes in the aperture and thickness dimensions of the workpiece to be positioned by adding or replacing the corresponding sleeve 30' and spacer 50' on the positioning plate 10'. The universal positioning component is more versatile than the special positioning component. However, the universal positioning component in the prior art has the following drawbacks: 1. As shown in FIG. 3, the replaced bushing 30' and the spacer 50' are not fixed. The structure is not stable: the sleeve 30' is easy to slide, and the gasket 50' is easy to fall.

2. As shown in Fig. 4, the manner of fixing after replacing the sleeve 30' and the spacer 50' is shown, and the screw 70' is generally fastened. During installation, the connecting sleeve 30' and the two threaded holes of the two washers 50' need to be aligned and reused, and the replacement screw 70' is fastened, which is inconvenient to disassemble and assemble, thereby resulting in low replacement efficiency. SUMMARY OF THE INVENTION The present invention is directed to a method for disassembling a bushing assembly, a positioning assembly, a process equipment, and a bushing assembly, so as to solve the problem of inconvenient disassembly and assembly operation of the bushing assembly in the prior art, and low replacement efficiency. In order to achieve the above object, according to an aspect of the invention, a bushing assembly is provided, comprising: a bushing having a boss at a first end; and a lock ring detachably coupled to the second end of the bushing. Further, both ends of the inner hole of the sleeve have an inner stop. Further, the second end of the sleeve has an external thread, the locking ring has an internal thread that cooperates with the external thread; the outer side of the boss is provided with a first urging portion in the circumferential direction, and the outer side of the locking ring is provided with a second force in the circumferential direction unit. Further, the first urging portion is a plurality of cut surfaces, and the lock ring is a nut. Further, the first urging portion is a radial first mounting hole for inserting the first detaching bar, and the second urging portion is a radial second mounting hole for inserting the second detaching bar. Further, the radial first mounting hole and the radial second mounting hole are plural, and the radial first mounting hole is evenly distributed along the circumferential direction of the boss, and the radial second mounting hole is evenly distributed along the circumferential direction of the locking ring. distributed. According to another aspect of the present invention, a positioning assembly is provided, a mounting plate is disposed on a mounting plate in a vertical direction, and a positioning hole is disposed on the positioning plate, the positioning assembly further includes: a bushing assembly, a bushing assembly In the above-mentioned sleeve assembly, the sleeve in the sleeve assembly is disposed in the positioning hole. Further, the positioning plates are two, and the two positioning plates are respectively provided with a sleeve assembly, and the two sleeve assemblies are coaxially disposed. According to another aspect of the present invention, there is provided a process equipment having a plate-shaped mount, the process equipment further comprising: a positioning assembly mounted on the plate-shaped mount, the positioning assembly being the above-described positioning assembly. According to another aspect of the present invention, there is provided a method of attaching and detaching a bushing assembly for detaching the above-mentioned bushing assembly, comprising a mounting step and/or a dismounting step; the mounting step comprises: (1) inserting the bushing a positioning hole of the positioning plate, the boss of the sleeve is attached to the first side of the positioning plate; the first mounting hole and the locking ring of the sleeve are respectively inserted into the sleeve by the first disassembling rod and the second disassembling rod a radial second mounting hole for connecting the locking ring to the second end of the sleeve, and the locking ring is attached to the second side of the positioning plate to complete the installation of the sleeve assembly; the disassembling steps include: (1) utilizing the first The dismounting rod and the second dismounting rod are respectively inserted into the radial first mounting hole of the sleeve and the radial second mounting hole of the locking ring to separate the locking ring from the second end of the sleeve to complete the locking ring (2) Separate the bushing from the positioning plate to complete the removal of the bushing assembly. Further, the step of inserting the sleeve into the positioning hole of the positioning plate and/or the step of separating the sleeve from the positioning plate further comprises: inserting the force transmission pad into the inner end of the inner hole of the sleeve, and hammering The projection of the force-transmitting rod is inserted into the through hole of the force-transmitting pad and hammered. In the technical solution of the present invention, the sleeve assembly includes: a sleeve with a boss at the first end and a lock ring, and the lock ring is detachably coupled to the second end of the sleeve. During use, when the diameter and/or thickness of the workpiece to be positioned changes, only the sleeve and the lock ring of the corresponding aperture and/or thickness need to be replaced. The sleeve and the lock ring are easy to assemble and disassemble, and the problem of low replacement efficiency is solved. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in FIG. In the drawings: FIG. 1 is a cross-sectional view showing a first embodiment of a positioning assembly in the prior art; FIG. 2 is a cross-sectional view showing a second embodiment of a positioning assembly in the prior art; FIG. 4 is a cross-sectional view showing a fourth embodiment of a positioning assembly of the prior art; FIG. 5 is a cross-sectional view showing a fourth embodiment of the positioning assembly of the prior art; Figure 6 is a cross-sectional view of the lock ring of the bushing assembly of Figure 5; Figure 7 is a schematic view of the bushing assembly of Figure 5 used in conjunction with the disassembly tool Figure 8a shows a schematic view of the disassembly process of the second embodiment of the positioning assembly according to the present invention; Figure 8b shows a schematic view of the installation process of the second embodiment of the positioning assembly according to the present invention; Figure 9a shows a schematic view of the mounting process according to the present invention; Schematic diagram of the disassembly process of the third embodiment of the positioning assembly; and FIG. 9b shows a schematic diagram of the installation process of the third embodiment of the positioning assembly according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. Figure 5 shows a schematic cross-sectional view of an embodiment of a bushing assembly in accordance with the present invention; Figure 6 shows a cross-sectional view of the lock ring of the bushing assembly of Figure 5 taken along the line CC. Referring to FIG. 5 to FIG. 6, it can be seen from the figure that the sleeve assembly of the embodiment includes: a sleeve 30 and a lock ring 50, wherein the first end of the sleeve 30 has a boss 31; the lock ring 50 and The second end of the sleeve 30 is detachably coupled. A bushing 30 having a boss 31 is coupled to the lock ring 50 and passed through the positioning hole 11 to adjust the positioning aperture and thickness. The changed positioning aperture β is determined by the inner bore diameter of the sleeve, and the changed positioning thickness 控制 is controlled by the thickness of the boss 31 of the sleeve 30 and the thickness of the lock ring 50. During use, when the aperture and/or thickness of the workpiece to be positioned changes, only the sleeve 30 and the lock ring 50 of the corresponding aperture and/or thickness need to be replaced. The sleeve 30 and the lock ring 50 are easy to assemble and disassemble, thereby solving the problem of low replacement efficiency. In order to ensure that the inner hole of the sleeve 30 is coaxial with the positioning hole 11, the sleeve 30 and the positioning hole 11 adopt a clearance fit or a transition fit. When the sleeve 30 is clearance-fitted with the positioning hole 11, the replacement of the sleeve 30 requires the external force to be applied to insert or remove the positioning hole 11. When the sleeve 30 is in a transitional engagement with the positioning hole 11, when the sleeve 30 is replaced, it is necessary to directly strike the end faces of the sleeve 30 by impact force, and the sleeve is driven into the positioning or removal. In the process, the sleeve 30 The force is not uniform. At the same time, it is easy to damage the corresponding mating surface and positioning surface of the sleeve 30, thereby affecting the positioning accuracy. Therefore, preferably, both ends of the inner hole of the boss 30 have an inner stopper 33a and an inner stopper 33b. The inner stopper 33a and the inner stopper 33b function to insert the force transmission pad at the time of replacement. Specifically, as shown in FIG. 7, when the sleeve needs to be replaced, a force transmission pad 500 having a through hole at the center of the center is inserted into the inner end 33a or the inner end 33b of the sleeve, and then the hammer is transmitted. The boss of the rod 700 is inserted into the through hole of the force transmission pad to replace the sleeve 30. In the above process, the axial urging force at the time of replacement does not directly act on both end faces of the boss 30, but the force is evenly transmitted to the boss 30 through the force transmitting pad 500. In this way, it is ensured that the sleeve 30 can be smoothly advanced and removed when the sleeve 30 is replaced, and the precision of the mating surface and the positioning surface of the sleeve 30 is ensured. In the above embodiment, the sleeve 30 and the lock ring 50 can be connected in various detachable manners, for example, a threaded through hole is provided in the circumferential direction of the sleeve 30, and the position of the lock ring 50 corresponding to the threaded through hole is provided. The holes are connected by screws or pins, or, preferably, as shown in FIG. 5, the sleeve 30 and the lock ring 50 are screw-fitted, and the outer side of the boss 31 of the sleeve 30 is firstly provided in the circumferential direction. The urging portion, the outer side surface of the lock ring 50 is provided with a second urging portion in the circumferential direction. The functions of the first urging portion and the second urging portion are to provide a portion for applying force to the disassembly tool, which facilitates disassembly and assembly and improves disassembly and assembly efficiency. The first urging portion and the second urging portion have a plurality of structures. In a preferred embodiment, the first urging portion is a plurality of tangential portions, and the second urging portion is also a plurality of tangential surfaces, that is, the locking ring. 50 is a nut. In this configuration, the separation of the sleeve 30 and the lock ring 50 can be accomplished by only two wrenches when disassembling. Alternatively, in another preferred embodiment, referring to FIG. 5 to FIG. 7, the first urging portion is a radial first mounting hole 311 for inserting the first detaching bar 100, and the second urging portion is used. The radial second mounting hole 51 of the second disassembly bar 300 is inserted. Here, the radial first mounting hole 311 and the radial second mounting hole 51 are generally circular holes, and may also be square holes, elliptical holes, etc., as long as it is convenient to cooperate with the first disassembling bar 100 and the second disassembling bar 300. Just fine. Preferably, the radial first mounting hole 311 and the radial second mounting hole 51 are both plural, and the radial first mounting hole 311 is evenly distributed along the circumferential direction of the boss 31 of the sleeve 30, and is radially second. The mounting holes 51 are evenly distributed along the circumferential direction of the lock ring 50. The first dismounting rod 100 and the second dismounting rod 300 facilitate the application of force by hand, and the sleeve 30 and the lock ring 50 are quickly tightened or disassembled, thereby effectively improving the disassembly efficiency. The invention also provides a disassembly and assembly method of the sleeve assembly for disassembling the above-mentioned sleeve assembly, comprising a mounting step and/or a dismounting step; wherein the installing step comprises: (1) inserting the sleeve 30 into the positioning plate 10 positioning hole 11 The boss 31 of the sleeve 30 is brought into close contact with the first side of the positioning plate 10; (2) the lock ring 50 is coupled to the second end of the sleeve 30, and the lock ring 50 is brought into close contact with the second of the positioning plate 10. Side to complete the installation of the bushing assembly. The disassembly steps include:

(1) Separating the lock ring 50 from the second end of the sleeve 30 to complete the disassembly of the lock ring 50; (2) separating the sleeve 30 from the positioning plate 10 to complete the disassembly of the sleeve assembly. Preferably, in the first step of the mounting step and/or the second step of the dismounting step, if the sleeve 30 and the positioning hole 11 are in a transitional fit, the force-transmitting pad 500 can be inserted into the inner end of the inner hole of the sleeve 30. In one of the port 33a and the inner stopper 33b, the boss of the hammering force bar 700 is inserted into the through hole of the force transmission pad to hammer the sleeve 30. Preferably, in the second step of the mounting step and/or in the first step of the dismounting step, the first disassembly rod 100 and the second disassembly rod 300 may be inserted into the radial first mounting hole 311 and the radial second mounting hole, respectively. 51, and the force is applied in the opposite direction to easily separate the lock ring 50 from the sleeve 30. The present invention also provides a positioning assembly. Referring to Figure 5, the positioning assembly of the first embodiment includes: a mounting plate 1 for mounting the positioning assembly to the plate-shaped mounting of the positioning device. A positioning plate 10 is disposed on the mounting plate 1 in the vertical direction, and the positioning plate 10 is provided with a positioning hole 11. The positioning assembly further includes: a bushing assembly, wherein the bushing assembly is the bushing assembly; wherein the bushing in the bushing assembly is disposed in the positioning hole 11. Referring to Figures 8a and 8b, a second embodiment of the positioning assembly is shown. The difference between the second embodiment and the first embodiment is that the positioning component comprises: two positioning plates 10, which are respectively mounted on the mounting seat 1, the two positioning plates 10 are respectively provided with a bushing assembly, and two shafts The set of components is coaxially set. In the second embodiment, the boss 30 has an end face of the boss 31 as a positioning face. Referring to Figures 9a and 9b in combination, a third embodiment of the positioning assembly is shown. The positioning assembly of the third embodiment is different from the second embodiment in that the positioning position of the sleeve assembly is set. Further, the positioning surface of the third embodiment is the end surface of the lock ring 50. The invention also provides a process equipment having a plate-type mount (not shown), the plate-type mount being provided with the above-mentioned positioning assembly, the process equipment can be adapted to the aperture and thickness dimensions of the workpiece to be positioned Change, and easy to disassemble. For other parts of the process equipment of the present invention, please refer to the prior art, and details are not described herein again. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

Claim

A bushing assembly, comprising:

a bushing (30), the first end has a boss (31);

A lock ring (50) is detachably coupled to the second end of the sleeve (30).

The bushing assembly according to claim 1, characterized in that both ends of the inner hole of the bushing (30) have inner stops (33a, 33b).

The bushing assembly according to claim 1, wherein the second end of the sleeve (30) has an external thread, and the lock ring (50) has an internal thread that cooperates with the external thread; The outer side surface of the boss (31) is provided with a first urging portion in the circumferential direction, and the outer side surface of the lock ring (50) is provided with a second urging portion in the circumferential direction.

The bushing assembly according to claim 3, wherein the first urging portion is a plurality of tangential faces, and the lock ring (50) is a nut.

The bushing assembly according to claim 3, wherein the first urging portion is a radial first mounting hole (311) for inserting the first detaching bar, and the second urging portion It is a radial second mounting hole (51) for inserting the second disassembly rod.

The bushing assembly according to claim 5, wherein the radial first mounting hole (311) and the radial second mounting hole (51) are plural, and the radial portion A mounting hole (311) is evenly distributed along the circumferential direction of the boss (31), and the radially second mounting hole (51) is evenly distributed along the circumferential direction of the lock ring (50).

7. A positioning assembly comprising:

a mounting plate (1), wherein the mounting plate (1) is provided with a positioning plate (10) in a vertical direction, and the positioning plate (10) is provided with a positioning hole (11).

The positioning component further includes:

A bushing assembly, the bushing assembly of any one of claims 1 to 6, wherein a bushing in the bushing assembly is threaded in the positioning hole (11).

The positioning assembly according to claim 7, wherein the positioning plate (10) is two, the two positioning plates (10) are respectively provided with the sleeve assembly, and two The bushing assembly is coaxially disposed.

A process equipment, comprising: a plate-shaped mount, wherein the process equipment further comprises: a positioning assembly mounted on the plate-shaped mount, the positioning assembly being the method according to claim 7 or Position the component.

A detaching method for a bushing assembly for detaching the bushing assembly according to any one of claims 1 to 6, characterized in that it comprises a mounting step and/or a dismounting step;

The installation steps include:

Inserting the sleeve (30) into the positioning hole (11) of the positioning plate (10), so that the boss (31) of the sleeve (30) is in close contact with the first side of the positioning plate (10);

Inserting the first disassembly rod (100) and the second dismounting rod (300) into the radial first mounting hole (311) of the sleeve (30) and the radial second mounting hole of the locking ring (50), respectively (51) such that the lock ring (50) is coupled to the second end of the sleeve (30), and the lock ring (50) is brought into close contact with the second side of the positioning plate (10) to complete Installation of the bushing assembly;

The disassembling step includes:

Inserting the first disassembly rod (100) and the second dismounting rod (300) into the radial first mounting hole (311) of the sleeve (30) and the radial second mounting hole of the locking ring (50), respectively (51) separating the lock ring (50) from the second end of the sleeve (30) to complete the disassembly of the lock ring (50); positioning the sleeve (30) with the positioning The plate (10) is separated to complete the disassembly of the bushing assembly.

11. The method of attaching and detaching a sleeve assembly according to claim 10, wherein the step of inserting the sleeve (30) into the positioning hole (11) of the positioning plate (10) and/or the shaft Set (30) with the positioning plate

(10) In the step of separating, it also includes:

Inserting the force transmission pad (500) into the inner stoppers (33a, 33b) at both ends of the inner hole of the sleeve (30), and inserting the projection of the hammering force bar (700) into the force transmission pad (500) Hammering after the through hole.