CN114619226B - Pin inserting and pulling device of hydraulic cylinder test bed - Google Patents
Pin inserting and pulling device of hydraulic cylinder test bed Download PDFInfo
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- CN114619226B CN114619226B CN202011463483.0A CN202011463483A CN114619226B CN 114619226 B CN114619226 B CN 114619226B CN 202011463483 A CN202011463483 A CN 202011463483A CN 114619226 B CN114619226 B CN 114619226B
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- plug
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application discloses a pin inserting and pulling device of a hydraulic cylinder test bed. The plug pin device of the hydraulic cylinder test bed comprises a plug hydraulic cylinder, a supporting seat and a guide rail, wherein the plug hydraulic cylinder is used for inserting or extracting a pin shaft and comprises a cylinder barrel and a piston rod, the piston rod is connected with the pin shaft, the plug hydraulic cylinder extends along the longitudinal direction, the supporting seat comprises a seat body connected with the cylinder barrel and a roller group arranged on the seat body, the roller group comprises at least two rollers arranged at intervals along the transverse direction, the guide rail extends along the transverse direction, and the roller group is positioned on the guide rail and is configured to roll along the guide rail. The pin inserting and pulling device adopts the hydraulic cylinder to perform inserting and pulling actions, so as to realize the insertion and pulling of the connecting pin shaft between the test hydraulic cylinder and the test bench. And the seat body of the pin inserting and pulling device is provided with a roller, and the roller can roll along the guide rail, so that the whole pin inserting and pulling device can freely slide on the guide rail, and a plurality of pin shafts at different positions on the hydraulic cylinder test bed can be inserted and pulled.
Description
Technical Field
The application relates to the field of engineering machinery, in particular to a pin inserting and pulling device of a hydraulic cylinder test bed.
Background
Newly developed hydraulic cylinders all require tests in terms of safety and reliability before delivery to the user. The most common installation form is that both ends are articulated, that is, cylinder bottom, earrings are all round pin hub connection, need to fix pneumatic cylinder both ends and test bench with the round pin axle in the test process. The pin shaft is used as a connecting part between the hydraulic cylinder and the test bench, and is required to be assembled and disassembled in the test process of the hydraulic cylinder. Because the hydraulic cylinder has larger working load, the pin shaft after the test often has certain deformation or abrasion with the hydraulic cylinder ear hole and the test bed ear hole, and the pin shaft is time-consuming and labor-consuming to plug by manpower and has potential safety hazard.
Disclosure of Invention
The application provides a pin inserting and pulling device of a hydraulic cylinder test bed, which is used for inserting and pulling a connecting pin shaft between a test hydraulic cylinder and a test bed frame.
The application provides a pin inserting and pulling device of a hydraulic cylinder test bed, which comprises the following components:
the plug hydraulic cylinder is used for inserting or extracting the pin shaft and comprises a cylinder barrel and a piston rod, the piston rod is connected with the pin shaft, and the plug hydraulic cylinder extends along the longitudinal direction;
the support seat comprises a seat body connected with the cylinder barrel and a roller group arranged on the seat body, and the roller group comprises at least two rollers arranged at intervals along the transverse direction; and
and the guide rail extends along the transverse direction, and the roller group is positioned on the guide rail and is configured to roll along the guide rail.
In some embodiments, the pin-inserting device comprises two guide rails arranged in parallel at intervals, and the supporting seat comprises two roller groups respectively matched with the two guide rails.
In some embodiments, the support base further comprises a groove structure and a connecting column arranged at the lower side of the base body, the bottom wall of the groove structure is connected with the base body, the opening of the groove structure faces downwards, the roller is mounted on the groove structure, and the connecting column is located at the lower side of the guide rail and connected with the base body and the groove structure, so that the guide rail is accommodated between the connecting column and the base body.
In some embodiments, the pin inserting and pulling device further comprises a guide shaft arranged on the base body and located on the lateral outer side of the cylinder barrel, and a guide sleeve connected with the piston rod, wherein the guide sleeve is sleeved on the guide shaft, and the guide shaft extends to the pin shaft along the longitudinal direction.
In some embodiments, the plug pin device includes a first guide shaft and a second guide shaft disposed on both lateral sides of the cylinder tube, respectively, and the first guide shaft and the second guide shaft are disposed offset in a height direction.
In some embodiments, one of the first guide shaft and the second guide shaft has a height that is less than a center height of the pin shaft, and the other guide shaft has a height that is equal to the center height of the pin shaft.
In some embodiments, the pin inserting and pulling device further comprises a lifting device, wherein the lifting device is arranged on the base body and supports the pin shaft, and the height of the lifting device is adjustable.
In some embodiments, the lifting device comprises a base and a spring assembly, wherein the base is arranged on the base body, the spring assembly comprises an elastic element connected with the base and a connecting disc arranged on the upper side of the elastic element, and the connecting disc supports the pin shaft.
In some embodiments, the pin inserting and extracting device further comprises a pin tray connected to the connecting disc to support the pin.
Based on the technical scheme provided by the application, the plug pin device of the hydraulic cylinder test bed comprises a plug hydraulic cylinder, a supporting seat and a guide rail, wherein the plug hydraulic cylinder is used for inserting or extracting a pin roll and comprises a cylinder barrel and a piston rod, the piston rod is connected with the pin roll, the plug hydraulic cylinder extends along the longitudinal direction, the supporting seat comprises a seat body connected with the cylinder barrel and a roller group arranged on the seat body, the roller group comprises at least two rollers arranged at intervals along the transverse direction, the guide rail extends along the transverse direction, and the roller group is positioned on the guide rail and is configured to roll along the guide rail. The pin inserting and pulling device adopts the hydraulic cylinder to perform inserting and pulling actions, so as to realize the insertion and pulling of the connecting pin shaft between the test hydraulic cylinder and the test bench. And the seat body of the pin inserting and pulling device is provided with a roller, and the roller can roll along the guide rail, so that the whole pin inserting and pulling device can freely slide on the guide rail, and a plurality of pin shafts at different positions on the hydraulic cylinder test bed can be inserted and pulled.
Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the application, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of a front view of a pin inserting and pulling device of a hydraulic cylinder test stand according to an embodiment of the present application;
FIG. 2 is a schematic side view of the pin insertion and extraction device shown in FIG. 1;
fig. 3 is a schematic top view of the pin inserting and pulling device shown in fig. 1.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways and the spatially relative descriptions used herein are construed accordingly.
Referring to fig. 1 to 3, a pin inserting and extracting device of a hydraulic cylinder test stand according to an embodiment of the present application includes:
the plug hydraulic cylinder 1 is used for inserting or extracting the pin shaft 4 and comprises a cylinder barrel and a piston rod, the piston rod is connected with the pin shaft 4, and the plug hydraulic cylinder 1 extends along the longitudinal direction X;
the support seat comprises a seat body 2 connected with the cylinder barrel and a roller group arranged on the seat body 2, wherein the roller group comprises at least two rollers 3 which are arranged at intervals along the transverse direction Y; and
the guide rail 10 extends in the transverse direction Y, and the roller set is located on the guide rail 10 and configured to roll along the guide rail 10.
According to the pin inserting and pulling device, the roller 3 is arranged on the base body 2, the roller 3 can roll along the guide rail 10, and then the whole pin inserting and pulling device can freely slide on the guide rail 10 so as to insert and pull a plurality of pins at different positions on the hydraulic cylinder test bed.
In some embodiments, the rail 10 is fixed to the side of the test stand or to the ground parallel to the test stand.
Referring to fig. 3, in some embodiments, the plug pin device includes two guide rails 10 disposed in parallel at a spaced apart relationship, and the support base includes two roller sets respectively engaged with the two guide rails 10. Referring to fig. 2, in one embodiment, each roller set includes two rollers 3 spaced apart in the transverse direction Y. Of course, in other embodiments, each roller set may also include more than two rollers to improve the movement stability of the pin inserting and extracting device.
Referring to fig. 1, the seat body 2 of the present embodiment includes a side plate and a top plate, the side plate is connected to the left side of the top plate and extends downward, and the top plate includes a bent portion recessed downward. The cylinder is connected to the top plate.
In some embodiments, referring to fig. 1, the support base further includes a groove structure 5 disposed at the lower side of the base 2, and a connection post 6, wherein the bottom wall of the groove structure 5 is connected with the base 2, and the opening of the groove structure faces downward, the roller 3 is mounted on the groove structure 5, and the connection post 6 is disposed at the lower side of the guide rail 10 and connects the base 2 and the groove structure 5. The connecting column 6 is installed below the guide rail 10 and forms an up-and-down encircling form of the guide rail 10 together with the roller 3.
In order to limit and guide the movement path of the piston rod of the plug-in hydraulic cylinder 1, referring to fig. 1 to 3, in some embodiments, the plug-in pin device further comprises a guide shaft 12 provided on the base body 2 and located laterally outside the cylinder tube, and a guide sleeve 14 connected to the piston rod, the guide sleeve 14 being fitted over the guide shaft 12, the guide shaft 12 extending in the longitudinal direction to the pin shaft 4.
In some embodiments, referring to fig. 2 and 3, the plug pin device includes a first guide shaft and a second guide shaft disposed on both lateral sides of the cylinder tube, respectively. The first guide shaft and the second guide shaft extend from the pluggable hydraulic cylinder 1 to the pin shaft 14, and in order to avoid the pin shaft 4 being clamped between the two guide shafts, in some embodiments, the first guide shaft and the second guide shaft are arranged in a staggered manner in the height direction.
In some embodiments, one of the first and second guide shafts has a height that is less than the center height of the pin 4, and the other guide shaft has a height that is equal to the center height of the pin 4.
Specifically, as shown in fig. 2, the first guide shaft and the second guide shaft are respectively mounted on the base body 2 through mounting seats 13 of different heights.
In installing the pin 4, it is necessary that the height of the pin 4 is concentric with the test stand and the hydraulic cylinder ear hole to be tested, and thus in some embodiments, the height of the pin 4 is adjusted. Referring to fig. 1 to 3, the pin inserting and pulling device further includes a lifting device which is provided on the base 2 and supports the pin shaft 4, and the lifting device is height-adjustably provided.
In some embodiments, referring to fig. 1, the lifting device includes a base 16 and a spring assembly 17, the base 16 is disposed on the base body 2, the spring assembly 17 includes an elastic member connected with the base 16 and a connection pad disposed on an upper side of the elastic member, and the connection pad supports the pin 4. The height of the pin shaft 4 is adjusted by adjusting the telescopic length of the elastic element so as to ensure that the pin shaft 4, the test bed and the ear hole of the tested hydraulic cylinder are concentrically arranged.
In some embodiments, the pin inserting and extracting device further comprises a pin tray 9, and the pin tray 9 is connected to the connecting disc to support the pin 4. The pin shaft tray 9 extends along the length direction of the pin shaft 4, and the pin shaft tray 9 also exceeds the connecting disc in the width direction, so that the placement stability of the pin shaft 4 is increased.
As shown in fig. 2, the pin tray 9 has a trapezoidal groove, and the pins 4 abut on both side walls of the trapezoidal groove. The side walls of the trapezoid grooves are obliquely arranged towards two sides, so that the pin inserting and pulling device can be suitable for pin shafts 4 with different diameters.
The structure of the pin inserting and extracting device according to an embodiment of the present application will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the pin inserting and extracting device of the present embodiment includes: the hydraulic cylinder 1, the seat body 2, the roller 3, the pin shaft 4, the groove structure 5, the connecting column 6, the connecting shaft 7, the pin shaft mounting plate 8, the pin shaft tray 9, the guide rail 10, the guide shaft 12, the guide sleeve 14, the base 16 and the elastic component 17 are inserted and pulled.
The guide rail 10 is fixed to the side of the test bed or to the ground parallel to the test bed. The whole pin inserting and pulling device is arranged on the guide rail 10 through 4 idler wheels 3, so that the whole pin inserting and pulling device can freely slide on the guide rail 10, and a plurality of pin shafts at different positions on a rack can be inserted and pulled conveniently. The connecting column 6 is arranged below the guide rail 10 and forms an up-and-down encircling form on the guide rail 10 together with the roller 3, so that the rooting of the push-pull force of the device is realized. The plug hydraulic cylinder 1 is used as a power source for plug, and a piston rod of the plug hydraulic cylinder is connected to the guide shaft 12 through the guide sleeve 14 so as to ensure the linearity of the motion of the plug hydraulic cylinder. The pin shaft tray 9 and the elastic component 17 are arranged together to realize lifting of the pin shaft 4, so that concentricity of the pin shaft 4, the test bed and the lug hole of the tested hydraulic cylinder is ensured.
The bolt process comprises the following steps: the pin shaft 4 is placed on the pin shaft tray 9, the pin shaft mounting plate 8 is mounted on a mounting hole reserved for the pin shaft 4 through a screw, and then is connected with a piston rod of the plug hydraulic cylinder 1 through the connecting shaft 7. The whole device is moved in the horizontal direction, and the pin shaft 4 is concentric with the test bed and the ear hole of the tested hydraulic cylinder in the vertical direction by adjusting the lifting device. The pin shaft 4 is pushed into the test bed and the lug hole of the tested hydraulic cylinder by controlling the extension of the piston rod of the plug hydraulic cylinder 1. And then the connecting shaft 7 is detached, and the pin shaft mounting plate 8 is detached to finish the mounting. The entire device is moved along the guide rail 10 for another pin installation.
Pin pulling process: the pin shaft mounting plate 8 is mounted on a mounting hole reserved by a pin shaft through screws, the whole pin inserting and pulling device is moved to the pin shaft 4, the piston rod of the hydraulic cylinder 1 is controlled to extend out to a proper position, and the connecting shaft 7 is mounted. And adjusting the lifting device to a proper position, and controlling the retraction of the piston rod of the plugging hydraulic cylinder 1 to pull out the pin shaft.
In summary, the pin inserting and pulling device according to the embodiment of the application has at least the following advantages: the whole pin inserting and pulling device can be moved through the cooperation between the roller and the guide rail, and the movement resistance is small and can be easily finished by manual work. And the pin inserting and pulling device can meet the pin inserting and pulling requirements of different positions by moving along the guide rail. The guide shaft arranged on the outer side of the plug hydraulic cylinder can ensure the straightness of the extension and retraction actions of the piston rod, and the safety and the smoothness of plug of the pin shaft are improved. And the lifting device is arranged to realize lifting of the pin shaft, so that concentricity of the pin shaft, the test bed and the lug hole of the tested hydraulic cylinder is ensured. The hydraulic cylinder is adopted for plugging action, the plugging force is large, and the plugging stroke and speed can be controlled.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same; while the application has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present application or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the application, it is intended to cover the scope of the application as claimed.
Claims (4)
1. The utility model provides a plug pin device of pneumatic cylinder test bench which characterized in that includes:
the plug-in hydraulic cylinder (1) is used for inserting or extracting the pin shaft (4) and comprises a cylinder barrel and a piston rod, wherein the piston rod is connected with the pin shaft (4), and the plug-in hydraulic cylinder (1) extends along the longitudinal direction (X);
a rail (10) extending in a transverse direction (Y);
the support seat comprises a seat body (2) connected with the cylinder barrel and a roller group arranged on the seat body (2), wherein the roller group is positioned on the guide rail (10) and is configured to roll along the guide rail (10), the roller group comprises at least two rollers (3) which are arranged at intervals along the transverse direction (Y), the support seat further comprises a groove-shaped structure (5) and a connecting column (6) which are arranged at the lower side of the seat body (2), the bottom wall of the groove-shaped structure (5) is connected with the seat body (2) and the opening of the groove-shaped structure (5) is downward, the rollers (3) are arranged on the groove-shaped structure (5), and the connecting column (6) is positioned at the lower side of the guide rail (10) and is connected with the seat body (2) and the groove-shaped structure (5), so that the guide rail (10) is accommodated between the connecting column (6) and the seat body (2);
the pin inserting and pulling device further comprises a lifting device, the lifting device is arranged on the base body (2) and supports the pin shaft (4), and the height of the lifting device is adjustable; the plug pin device further comprises a guide shaft (12) arranged on the base body (2) and located on the lateral outer side of the cylinder barrel and a guide sleeve (14) connected with the piston rod, the guide sleeve (14) is sleeved on the guide shaft (12), the guide shaft (12) extends to the pin shaft (4) along the longitudinal direction (X), the plug pin device comprises a first guide shaft and a second guide shaft which are respectively arranged on the lateral two sides of the cylinder barrel, the first guide shaft and the second guide shaft are arranged in a staggered mode in the height direction, the height of one guide shaft of the first guide shaft and the second guide shaft is lower than the center height of the pin shaft, and the height of the other guide shaft is equal to the center height of the pin shaft.
2. The plug pin device of a hydraulic cylinder test stand according to claim 1, characterized in that the plug pin device comprises two guide rails (10) arranged in parallel at intervals, and the support base comprises two roller groups respectively matched with the two guide rails (10).
3. The plug pin device of the hydraulic cylinder test stand according to claim 1, wherein the lifting device comprises a base (16) and a spring assembly (17), the base (16) is arranged on the base body (2), the spring assembly (17) comprises an elastic element connected with the base (16) and a connecting disc arranged on the upper side of the elastic element, and the connecting disc supports the pin shaft (4).
4. The pin inserting and pulling device of the hydraulic cylinder test stand according to claim 1, characterized in that the pin inserting and pulling device further comprises a pin shaft tray (9), wherein the pin shaft tray (9) is connected to the connecting disc to support the pin shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463483.0A CN114619226B (en) | 2020-12-14 | 2020-12-14 | Pin inserting and pulling device of hydraulic cylinder test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463483.0A CN114619226B (en) | 2020-12-14 | 2020-12-14 | Pin inserting and pulling device of hydraulic cylinder test bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114619226A CN114619226A (en) | 2022-06-14 |
| CN114619226B true CN114619226B (en) | 2023-12-08 |
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ID=81895628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011463483.0A Active CN114619226B (en) | 2020-12-14 | 2020-12-14 | Pin inserting and pulling device of hydraulic cylinder test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114619226B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063426A (en) * | 2013-01-08 | 2013-04-24 | 徐州徐工液压件有限公司 | Pin-plug and pin-pull device testing table of single cylinder plug pin hydraulic cylinder |
| KR101286046B1 (en) * | 2012-11-29 | 2013-07-23 | 이종주 | Inserting device for bearing of upper-bracket |
| CN203317336U (en) * | 2013-06-28 | 2013-12-04 | 淮南矿业(集团)有限责任公司 | Pin pulling device |
| CN104649158A (en) * | 2015-03-03 | 2015-05-27 | 徐州重型机械有限公司 | Cylinder head body, single cylinder latch system and crane |
| CN111162481A (en) * | 2020-01-06 | 2020-05-15 | 安徽工业大学 | Rotary pin inserting and pulling device for suspension insulator |
-
2020
- 2020-12-14 CN CN202011463483.0A patent/CN114619226B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101286046B1 (en) * | 2012-11-29 | 2013-07-23 | 이종주 | Inserting device for bearing of upper-bracket |
| CN103063426A (en) * | 2013-01-08 | 2013-04-24 | 徐州徐工液压件有限公司 | Pin-plug and pin-pull device testing table of single cylinder plug pin hydraulic cylinder |
| CN203317336U (en) * | 2013-06-28 | 2013-12-04 | 淮南矿业(集团)有限责任公司 | Pin pulling device |
| CN104649158A (en) * | 2015-03-03 | 2015-05-27 | 徐州重型机械有限公司 | Cylinder head body, single cylinder latch system and crane |
| CN111162481A (en) * | 2020-01-06 | 2020-05-15 | 安徽工业大学 | Rotary pin inserting and pulling device for suspension insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114619226A (en) | 2022-06-14 |
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