CN218462093U - Device for disassembling and taking out needle roller inner bearing - Google Patents
Device for disassembling and taking out needle roller inner bearing Download PDFInfo
- Publication number
- CN218462093U CN218462093U CN202222450732.3U CN202222450732U CN218462093U CN 218462093 U CN218462093 U CN 218462093U CN 202222450732 U CN202222450732 U CN 202222450732U CN 218462093 U CN218462093 U CN 218462093U
- Authority
- CN
- China
- Prior art keywords
- threaded
- clamping
- inner bearing
- ejector rod
- disassembling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model relates to a device for disassembling and taking out a needle roller inner bearing, which comprises a threaded sleeve, a threaded ejector rod and a chuck; the threaded sleeve is in threaded connection with the threaded ejector rod; the chuck comprises an installation part and clamping jaws, the chuck is sleeved at the lower end of the threaded ejector rod and is connected with the threaded ejector rod through the installation part, and the clamping jaws are arranged below the installation part in a surrounding manner; the lower end of the threaded ejector rod is sequentially provided with a supporting and clamping part and a supporting part; the supporting and clamping part is used for expanding a plurality of clamping jaws, and the supporting part is used for supporting the device on the platform. The utility model discloses can the rapid and stable take out inner bearing, and labour saving and time saving does not destroy the inner bearing, makes it can reuse, and does not still damage this detaching device.
Description
Technical Field
The utility model relates to a frock especially relates to a device for disassembling and taking out bearing in the kingpin.
Background
In the prior art, when the needle roller inner bearing is disassembled and taken out, a stable special tool is not provided, a sliding hammer type puller is required to be used, and the bearing is pulled out by utilizing the impact force of a sliding hammer, but the bearing is easily damaged by the method, and the puller is also easily dropped and damaged due to the uneven impact force in the use process. It is obvious that the use of the existing tool not only wastes time and labor, is inconvenient to take out, seriously damages the tool, but also increases the cost.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the above-mentioned prior art, the utility model provides a device for disassembling and taking out bearing in the kingpin for solve the inner bearing and take out the difficulty, the easy problem of damaging of instrument.
In order to achieve the above purpose, the utility model discloses specific technical scheme as follows:
a device for disassembling and taking out a needle roller inner bearing comprises a threaded sleeve, a threaded ejector rod and a chuck;
the threaded sleeve is in threaded connection with the threaded ejector rod; the clamping head comprises an installation part and clamping jaws, the clamping head is sleeved at the lower end of the threaded ejector rod, the clamping head is connected with the threaded ejector rod through the installation part, and the clamping jaws are arranged below the installation part in a surrounding mode; the lower end of the threaded ejector rod is sequentially provided with a supporting and clamping part and a supporting part; the supporting and clamping part is used for expanding a plurality of clamping jaws, and the supporting part is used for supporting the device on the platform.
Furthermore, the threaded ejector rod consists of an upper ejector rod and a lower ejector rod, the lower end of the upper ejector rod is provided with a fixing part, and the upper ejector rod is connected with the connecting end of the lower ejector rod through the fixing part; the threaded sleeve is in threaded connection with the upper end of the upper ejector rod, and the supporting portion and the clamping portion are arranged on the lower ejector rod.
Furthermore, the threaded sleeve is provided with a through internal thread along the central axis, the upper end of the upper ejector rod is provided with an upper thread, and the threaded sleeve is in threaded connection with the upper thread of the upper ejector rod through the internal thread.
Further, the ejector pin is in the next-door neighbour the part of fixed part is equipped with down the screw thread, the installation department is equipped with the internal thread along the central axis, the installation department pass through the internal thread with lower threaded connection.
Furthermore, the diameter of the lower ejector rod is sequentially reduced from the lower thread to the supporting part from the supporting part to the supporting part, and the diameter of the supporting part is larger than that of the chuck inner cavity of the chuck.
Furthermore, the inner cavity of the chuck consists of a plurality of arc ends of the clamping jaws close to the center of the chuck.
Furthermore, the circumferential surface of the mounting part is provided with knurls.
Further, two grooves are symmetrically arranged on the circumferential surface of the mounting part or the knurling.
Further, the thread insert is of a cylindrical structure.
Furthermore, the outer side wall of the screw sleeve is symmetrically provided with clamping surfaces.
The utility model has the advantages that:
the utility model discloses a device is earlier through propping the fixed inner bearing of the portion of pressing from both sides expand a plurality of clamping jaws, makes it be difficult for droing, recycles threaded connection's reaction force, makes the screw ejector pin drive the inner bearing and goes upward, until taking out completely, and the screw thread is rotatory stable, and strength is big and the power is said evenly, and labour saving and time saving can not only be stable take out the inner bearing, still does not destroy the inner bearing, makes it can reuse, and does not damage this detaching device yet. Additionally, the utility model discloses simple structure, production and use, maintenance cost are lower.
Drawings
Fig. 1 is a schematic structural view of a device for disassembling and taking out a needle roller inner bearing according to the present invention;
FIG. 2 is a schematic structural view of the middle threaded post rod of the present invention;
fig. 3 is a schematic structural view of the middle clamping head of the present invention.
Wherein: 1-a threaded sleeve, 2-a threaded mandril, 3-an upper thread, 4-a fixed part, 5-a lower thread, 6-a supporting part, 7-a supporting part, 8-a chuck, 9-an installation part and 10-a clamping jaw.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present application, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present invention, the terms "mounted", "connected", "fixed", etc. should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, integrally connected, or mechanically connected, the components may also be electrically connected or may communicate with each other, directly connected, or indirectly connected through an intermediate medium, or may be connected through two components, or may be in an interaction relationship between two components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
This embodiment describes a device for disassembling and removing a needle inner bearing for removing the inner bearing.
As shown in figure 1, the device comprises a threaded sleeve 1, a threaded mandril 2 and a chuck 8, wherein the threaded sleeve 1 and the chuck 8 are respectively arranged at the upper end and the lower end of the threaded mandril 2.
Specifically, the threaded sleeve 1 is of a cylindrical structure, and the threaded sleeve 1 is provided with a through internal thread along the central axis and is used for being in threaded connection with the threaded ejector rod 2. The symmetry is equipped with the clamping face on the lateral wall of swivel nut 1, and the instrument of screwing can the stable clamp of tight swivel nut 1 through the clamping face, conveniently rotates swivel nut 1 on screw ejector pin 2.
As shown in fig. 2, the threaded carrier rod 2 is composed of an upper carrier rod and a lower carrier rod. The upper end of the upper ejector rod is provided with an upper thread 3 for being in threaded connection with the threaded sleeve 1, the lower end of the upper ejector rod is provided with a fixing part 4, and the upper ejector rod is connected with the connecting end of the lower ejector rod through the fixing part 4. The part of lower ejector pin next-door neighbour fixed part 4 is equipped with down screw thread 5 for with chuck 8 threaded connection, below screw thread 5 down, lower ejector pin is equipped with in proper order props clamp 6 and supporting part 7, props clamp 6 diameter and is greater than supporting part 7 diameter and is less than lower screw thread 5 diameter for expand chuck 8, supporting part 7 is used for supporting whole device.
The chuck 8 comprises a mounting portion 9 and clamping jaws 10 as shown in fig. 3, the clamping jaws 10 are arranged below the mounting portion 9 in a surrounding mode, the end portions, close to the center of the chuck 8, of the clamping jaws 10 are arc-shaped ends, the clamping jaws 10 form a chuck inner cavity around the axis of the chuck 8, the diameter of the chuck inner cavity is smaller than that of the clamping supporting portion 6, and the clamping supporting portion 6 is inserted into the chuck inner cavity to enable the clamping jaws 10 to expand. In the embodiment, the chuck 8 is machined from a cylindrical structure, and after the corresponding overall shape is machined, the lower part of the mounting part 9 is divided into four parts by wire cutting to form 4 clamping jaws 10. The mounting portion 9 is provided with an internal thread along the central axis for threaded connection with the lower thread 5 of the threaded carrier rod 2. In addition, the circumferential surface of the mounting part 9 is provided with knurls, when the chuck 8 is mounted, the knurls can avoid force applied on the mounting part 9 from slipping, two grooves can be symmetrically arranged on the circumferential surface of the mounting part 9 or the knurls, and an operator can clamp the mounting part 9 through the grooves.
The process of disassembling and taking out the needle roller inner bearing by using the device comprises the following steps: place chuck 8 in the bearing hole the inside earlier, chuck 8 passes through installation department 9 and 5 threaded connection of lower screw thread, screw up it on screw ejector pin 2, prop clamp 6 and supporting part 7 and pass in the middle of by chuck 8, prop clamp 6 and make a plurality of clamping jaws 10 expand in order to fix the inner bearing in the bearing is inside, supporting part 7 supports on fixed platform, 1 and 2 threaded connection of screw thread ejector pin of swivel nut again, it makes it move down along screw thread ejector pin 2 to rotate swivel nut 1, under threaded connection's reaction force effect, make screw ejector pin 2 drive the inner bearing and go up, until taking out completely.
When the device is used for disassembling the inner bearings with different specifications, the inner bearings can be taken out only by replacing the chucks 8 with corresponding specifications, the device can rapidly and stably complete the taking out of the inner bearings, the inner bearings are not damaged, the disassembling device is not damaged, and the inner bearings can be reused.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the above-described embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all fall within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. A device for disassembling and taking out a needle roller inner bearing is characterized by comprising a threaded sleeve (1), a threaded ejector rod (2) and a chuck (8);
the threaded sleeve (1) is in threaded connection with the threaded ejector rod (2); the clamping head (8) comprises an installation part (9) and clamping jaws (10), the clamping head (8) is sleeved at the lower end of the threaded ejector rod (2), the clamping head (8) is connected with the threaded ejector rod (2) through the installation part (9), and the clamping jaws (10) are arranged below the installation part (9) in a surrounding mode; the lower end of the threaded ejector rod (2) is sequentially provided with a supporting and clamping part (6) and a supporting part (7); the clamping supporting part (6) is used for expanding the clamping jaws (10), and the supporting part (7) is used for supporting the device on the platform.
2. The device for disassembling and taking out a needle roller inner bearing according to claim 1, wherein the threaded carrier rod (2) is composed of an upper carrier rod and a lower carrier rod, a fixing part (4) is provided at the lower end of the upper carrier rod, and the upper carrier rod is connected with the connecting end of the lower carrier rod through the fixing part (4); the threaded sleeve (1) is in threaded connection with the upper end of the upper ejector rod, and the supporting and clamping part (6) and the supporting part (7) are arranged on the lower ejector rod.
3. The device for disassembling and removing a needle roller inner bearing according to claim 2, wherein the threaded sleeve (1) is provided with a through inner thread along a central axis, the upper end of the upper carrier rod is provided with an upper thread (3), and the threaded sleeve (1) is in threaded connection with the upper thread (3) of the upper carrier rod through the inner thread.
4. The device for disassembling and extracting a needle inner bearing according to claim 2, wherein the lower carrier rod is provided with a lower thread (5) at a portion adjacent to the fixing portion (4), the mounting portion (9) is provided with an internal thread along a central axis, and the mounting portion (9) is threadedly connected with the lower thread (5) through the internal thread.
5. The device for disassembling needle inner bearings according to claim 4, wherein the diameter of the lower pin is reduced from the lower thread (5), the expanding and clamping portion (6) to the support portion (7), and the diameter of the expanding and clamping portion (6) is larger than the diameter of the collet cavity of the collet (8).
6. Device for the disassembly and extraction of a needle internal bearing according to claim 5, characterized in that the collet cavity is composed of a plurality of rounded ends of the jaws (10) close to the centre of the collet (8).
7. Device for the disassembly and extraction of a needle inner bearing according to claim 1, characterized in that the circumferential surface of the mounting portion (9) is provided with knurling.
8. The device for disassembling and extracting a needle inner bearing according to claim 7, wherein two grooves are symmetrically provided on a circumferential surface of the mounting portion (9) or on the knurled wheel.
9. Device for the disassembly and extraction of a needle inner bearing according to claim 1, characterized in that the threaded sleeve (1) is of cylindrical configuration.
10. The device for disassembling and extracting a needle inner bearing according to claim 1 or 9, wherein the clamping surfaces are symmetrically provided on the outer side wall of the thread insert (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222450732.3U CN218462093U (en) | 2022-09-15 | 2022-09-15 | Device for disassembling and taking out needle roller inner bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222450732.3U CN218462093U (en) | 2022-09-15 | 2022-09-15 | Device for disassembling and taking out needle roller inner bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218462093U true CN218462093U (en) | 2023-02-10 |
Family
ID=85141885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222450732.3U Active CN218462093U (en) | 2022-09-15 | 2022-09-15 | Device for disassembling and taking out needle roller inner bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218462093U (en) |
-
2022
- 2022-09-15 CN CN202222450732.3U patent/CN218462093U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218462093U (en) | Device for disassembling and taking out needle roller inner bearing | |
| CN202097581U (en) | Automatic expansion sleeve clamping device | |
| CN206139871U (en) | Expand and grip utensil suitable for thin wall sleeve part | |
| CN204585021U (en) | Clamp system | |
| CN215843283U (en) | Crusher driving roller device | |
| CN212705320U (en) | Screw thread bush dismounting device | |
| CN209830595U (en) | Friction stir welding stirring head dismounting tool | |
| CN211729020U (en) | Tool for disassembling bearing | |
| CN209503006U (en) | A kind of large size hollow hydraulic chuck device | |
| CN103395041A (en) | Bearing puller | |
| CN211388595U (en) | Bearing dismounting device | |
| CN203495863U (en) | Special dismounting tool for X-type servo welding gun holding rod | |
| CN214818264U (en) | Device for disassembling fan motor and speed reducer connecting sleeve of cooling tower | |
| CN108655778A (en) | A kind of clamping tool of processing pipe tube kind part | |
| CN213136606U (en) | Simple and convenient impactor extracting tool | |
| CN212527564U (en) | Vehicle bulb extracting tool | |
| CN216369961U (en) | Reinforcing bar cutting equipment for construction | |
| CN216913688U (en) | Fracturing pump valve body extracting tool | |
| CN219152766U (en) | Quick dismantling device for membrane shell end cover | |
| CN211805896U (en) | Dismounting device for bearing of small motor | |
| CN218313286U (en) | Chain disassembling tool | |
| CN209304492U (en) | A kind of electric machine main shaft bearing disassembling device | |
| CN205713065U (en) | A kind of removable recycling template back rib device | |
| CN218194872U (en) | Encircling type wrench for disassembling hot forging large-thread pressing die frame | |
| CN116705450B (en) | Current lead dismounting device for superconducting magnet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |