Engineering machine oil seal assembly device
By using an assembly device in engineering machinery that includes a base, support sleeve, template, support plate, and top plate, the problem of improper oil seal assembly was solved, achieving precise installation and improved sealing performance of the oil seal, while saving manpower and resources.
Patent Information
- Application Number
- CN202110707977.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-06-24
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2041-06-24
AI Technical Summary
In the existing technology, the assembly of skeleton oil seals in engineering machinery is prone to failure to be effectively fixed and guided, resulting in improper assembly or misalignment, which affects the sealing performance.
An assembly device comprising a base, support sleeve, template, support plate, top plate, and pressure sleeve is adopted. The oil seal and workpiece are fixed and guided by a parallel self-supporting device and a follow-up level body to ensure accurate installation.
It achieves precise and efficient assembly of oil seals, avoids abnormal wear, improves the sealing performance of the whole machine, and saves manpower and resources.
Smart Images

Figure CN113681499B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to an engineering machinery. In particular, it relates to an engineering machinery oil seal assembly device. BACKGROUND
[0002] In engineering machinery, skeleton oil seal is a commonly used seal, but the skeleton oil seal is usually assembled with sleeve, that is, the oil seal is placed on the hole to be installed, and then the sleeve is pressed to hold the oil seal, and the oil seal is assembled into the workpiece mounting hole by knocking or pressing. This installation method cannot effectively fix and guide the oil seal and the workpiece during assembly, which is easy to cause the oil seal to be not in place or misaligned during assembly, thereby causing abnormal wear and affecting the sealing performance of the whole machine. SUMMARY
[0003] The purpose of the present application is to solve the problems of the prior art, and to provide an engineering machinery oil seal assembly device. The engineering machinery oil seal assembly device has simple and reasonable structure, saves manpower, and is a precise and efficient oil seal assembly device.
[0004] The technical scheme of the engineering machinery oil seal assembly device of the present application comprises an equipment body, the equipment body comprises a base, a template supported on the support column of the base, and a support plate located below the template, and corresponding parallel self-supporting devices are respectively arranged between the support plate, the template and the top plate, a top plate, a pressing sleeve and a pressing cylinder are sequentially arranged on the upper part of the template and are sleeved on the support column of the base, the top plate corresponds to the corresponding workpiece mounting hole, and the pressing plate is provided with a positioning device corresponding to the skeleton oil seal.
[0005] The positioning device of the pressing plate comprises a stepped end face arranged at the lower part of the top plate.
[0006] The parallel self-supporting device comprises a plurality of static contour bodies arranged between the support plate and the template through a connecting device, a plurality of follow-up contour bodies arranged between the support plate and the top plate through corresponding connecting devices, and a top spring arranged between the support plate and the top plate.
[0007] The static contour body and the follow-up contour body are respectively composed of a fixed contour sleeve and a follow-up contour sleeve.
[0008] The follow-up contour body or the follow-up contour sleeve thereof is movably connected between the support plate and the top plate through corresponding parallel stroke devices.
[0009] The parallel stroke device comprises a flat stop body arranged between the lower part of the follow-up contour body or the follow-up contour sleeve thereof and the lower wall surface of the support plate.
[0010] The oil seal mounting device has reasonable mounting mode, can effectively fix and guide the oil seal and workpiece, makes the work and oil seal mounting accurate and in place, effectively avoids abnormal wear, and thus improves the sealing performance of the whole machine, and saves time and labor. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 Figure is an embodiment structure schematic view of the oil seal mounting device of the engineering machinery; Figure 2 Figure is a working equipment structure schematic view of the oil seal mounting device of the engineering machinery; Figure 3 Figure is a parallel self-supporting device structure schematic view of another embodiment of the oil seal mounting device of the engineering machinery. DETAILED DESCRIPTION
[0012] In order to better understand the present application, the present application is further described below in combination with the drawings.
[0013] As shown in Figure 1 and 2 , the oil seal mounting device of the engineering machinery comprises a base 1, a supporting plate 3, a template 2, a top material plate 4, a pressing material sleeve 5, and a pressing cylinder 7, etc.
[0014] The base 1 comprises a bottom plate, a support column 1a fixed in the middle of the bottom plate, and an equal-height balance support 1b fixed on the opposite sides or periphery of the bottom plate by screws, etc. The supporting plate 3 is sleeved on the support column 1a through the middle hole thereof, and the template 2 is sleeved on the support column 1a below the supporting plate 3 and is fixedly connected to the equal-height balance support 1b through corresponding screws.
[0015] The top material plate 4 is sleeved on the support column 1a above the template 2. A plurality of fixed equal-height sleeves 8a are arranged and fixed between the supporting plate 3 and the template 2 by screws (connecting devices), etc.
[0016] A plurality of follow-up equal-height sleeves 8b are arranged between the supporting plate 3 and the top material plate 4 by screws (corresponding connecting devices) 11, the follow-up equal-height sleeves 8b are movably arranged between the lower wall surfaces of the supporting plate 3 and the top material plate 4 through the guiding holes of the supporting plate 3 and the accommodating through holes of the template 2, a planar convex ring 12 is fixedly connected to the lower end of the follow-up equal-height sleeve 8b, and the follow-up equal-height sleeve 8b is fixedly connected to the top material plate 4 from the lower planar wall surface of the planar convex ring 12 by the follow-up screw (corresponding connecting device) 11. A top spring 9 located between the upper wall surface of the supporting plate 2 and the lower wall surface of the top material plate 4 is sleeved on the follow-up equal-height sleeve 8b through the accommodating through hole of the template 2.
[0017] The follow screw 11 and the follow equal height sleeve 8b can be up and down with the top material plate under the action of the top spring, the upper plane wall of the plane convex ring 12 can be in parallel contact or separated with the lower plane wall of the support plate, and the separable distance of the plane convex ring 12 and the support plate is about the lifting stroke of the top material plate. The template 2 is provided with an avoiding cavity 2a formed by the middle hole to provide the up and down running channel of the top material plate.
[0018] The top material plate 4 corresponds to the mounting hole of the corresponding workpiece 10 to position the workpiece 10. The upper wall of the top material plate 4 is provided with a convex ring table 4a. The top material plate 4 is supported and matched with the corresponding part of the skeleton oil seal 6 through the convex ring 4a.
[0019] The pressing sleeve 5 is located on the upper part of the top material plate 4 and is sleeved on the support column, and the lower end of the pressing sleeve 5 is provided with a stepped end face 5a. The top material plate 4 is positioned on the corresponding skeleton oil seal 6 through the stepped end face 5a. The pressing cylinder 7 is located on the upper part of the pressing sleeve 5 and is sleeved on the support column 1a.
[0020] The support plate 3, the template 2 and the top material plate 4 can be annular respectively. The support column is a cylinder.
[0021] The engineering machinery oil seal assembly device is equipped and works as follows:
[0022] Workpiece positioning: after the template, the top material plate and the support plate are installed on the base through the corresponding parallel self-supporting device, the workpiece 10 is sleeved on the support column and is placed on the template, and the template supports the workpiece. At the same time, the top material plate is in a free ejection state under the action of the top spring, so that the top material plate is sleeved in the mounting hole of the workpiece to position the workpiece.
[0023] Skeleton oil seal positioning: the skeleton oil seal 6 is sleeved on the lower end of the pressing sleeve through the stepped end face of the pressing sleeve, and the pressing sleeve is matched with the inner hole of the skeleton oil seal to position the skeleton oil seal.
[0024] Combination of skeleton oil seal and workpiece: the pressing sleeve with the skeleton oil seal is sleeved on the support column, and the pressing sleeve contacts the top material plate, but at this time, under the supporting force of the top spring, the skeleton oil seal does not contact the workpiece, and the top material plate plays a role of auxiliary support for the skeleton oil seal.
[0025] Assembly: the pressing cylinder is placed on the top of the top material sleeve through the support column, the pressing cylinder is pressed down by the press, the pressing sleeve is pushed by the pressing cylinder, the top material plate is pushed forward through the pressing sleeve, and the skeleton oil seal is pressed into the workpiece, and the assembly is completed. During the assembly work, the top material plate always plays a corresponding auxiliary supporting role.
[0026] In example 2, as Figure 3The parallel self-supporting device arranged between the support plate and the template comprises a top material plate fixing isohypse sleeve 8ba, the lower end of which is supported on the support plate 3 through the upper wall of the support plate, and the upper end of which is in contact with the top material plate 4 through the lower wall of the top material plate. The lower threaded section 11a of the screw 11 is screwed with the inner threaded part of the top material plate fixing isohypse sleeve 8ba, and the upper non-threaded section 11b of the screw 11 is matched with the corresponding blind hole of the top material plate 4 to guide the up-and-down movement of the top material plate. The rest of the structure and the corresponding equipment method of this example are similar to those of the above-mentioned embodiments.
Claims
1. An engineered mechanical oil seal assembly apparatus comprising an equipment body, characterized by The equipment body comprises a base, a template supported on the column of the base, and a support plate below the template, and the support plate, the template and the top plate are respectively provided with corresponding parallel self-supporting devices, the upper part of the template is sequentially provided with a top plate, a pressing sleeve and a pressing cylinder sleeved on the column of the base, the top plate corresponds to a corresponding workpiece mounting hole, and the pressing sleeve is provided with a positioning device corresponding to a corresponding skeleton oil seal; the parallel self-supporting device comprises a plurality of fixed isometric sleeves fixed between the support plate and the template by screws, and a plurality of follow-up isometric sleeves fixed between the support plate and the top plate by screws, and the follow-up isometric sleeves are further sleeved with springs between the upper wall surface of the support plate and the lower wall surface of the top plate.
2. The engineered mechanical oil seal assembly of claim 1, wherein The positioning device of the pressing sleeve comprises a stepped end face arranged at the lower part of the pressing sleeve.
3. The engineered mechanical oil seal assembly of claim 1, wherein The follow-up isometric sleeve is movably connected between the support plate and the top plate through corresponding parallel stroke devices, and the parallel stroke device comprises a plane convex ring fixedly connected to the lower end of the follow-up isometric sleeve.
4. The engineered mechanical oil seal assembly of claim 3, wherein The parallel stroke device further comprises a lower plane wall surface of the plane convex ring.
Citation Information
Patent Citations
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