CN220438005U - Radial rigidity measurement tool for rubber joint - Google Patents
Radial rigidity measurement tool for rubber joint Download PDFInfo
- Publication number
- CN220438005U CN220438005U CN202322019343.XU CN202322019343U CN220438005U CN 220438005 U CN220438005 U CN 220438005U CN 202322019343 U CN202322019343 U CN 202322019343U CN 220438005 U CN220438005 U CN 220438005U
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- CN
- China
- Prior art keywords
- steel ball
- rubber joint
- pressing block
- briquetting
- metal
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- 238000005259 measurement Methods 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 58
- 239000010959 steel Substances 0.000 claims description 58
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000010354 integration Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
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Abstract
The utility model relates to a radial stiffness measurement tool for a rubber joint, which is characterized in that: the structure includes supporting seat, metal overcoat, briquetting and pressure-bearing component, the supporting seat be provided with two, two supporting seats set up relatively and fix under the press, the metal overcoat can dismantle the suit in the outside of rubber joint, the metal overcoat pass through the rubber joint and dismantle the connection on two supporting seats, the briquetting set up on the metal overcoat, the briquetting form by trapezoidal piece and connecting block upper and lower integration, the arc spread groove with metal overcoat assorted has been seted up to the bottom of connecting block, the upper end of trapezoidal piece is planar, pressure-bearing component set up in the upper end of trapezoidal piece and its be located under the press piston output. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The utility model relates to the technical field of rail transit part measurement, in particular to a rubber joint radial stiffness measurement tool.
Background
The rubber node is a part commonly used in the current rail transit parts and plays roles of connection and vibration reduction; as shown in figure 1, the rubber node 1 consists of a central metal mandrel 1-1, an intermediate rubber layer 1-2 and an outer metal spacer 1-3, the central metal mandrel and the outer metal spacer are connected together through the action of rubber vulcanization to form an integral part, when the rubber node is subjected to radial pressure, displacement is generated, the radial rigidity K=F/S (K: rigidity, F: radial pressure of the rubber node and S: deformation of the rubber node) of the rubber node, the radial rigidity of the rubber node is an important parameter index of the product, and when the radial rigidity of the product is measured, the radial rigidity is greatly influenced by the application mode of the radial force and the measurement precision of the displacement, and the same product and different devices and personnel often have different measurement results, so that great trouble is caused to the use.
Disclosure of Invention
The utility model designs a tool for measuring the radial rigidity of a rubber joint, which aims to solve the problems, wherein a pressure bearing assembly adopts the cooperation of a steel ball pressing block and a steel ball, so that the consistency of the output pressure direction of a press machine and the stress direction of a rubber joint is ensured, and the accuracy of the rigidity of the measured rubber joint is ensured.
In order to solve the technical problems, the utility model provides a rubber joint radial stiffness measurement tool, which is characterized in that: the structure includes supporting seat, metal overcoat, briquetting and pressure-bearing component, the supporting seat be provided with two, two supporting seats set up relatively and fix under the press, the metal overcoat can dismantle the suit in the outside of rubber joint, the metal overcoat pass through the rubber joint and dismantle the connection on two supporting seats, the briquetting set up on the metal overcoat, the briquetting form by trapezoidal piece and connecting block upper and lower integration, the arc spread groove with metal overcoat assorted has been seted up to the bottom of connecting block, the upper end of trapezoidal piece is planar, pressure-bearing component set up in the upper end of trapezoidal piece and its be located under the press piston output.
Further: the bearing assembly consists of an upper steel ball pressing block, a lower steel ball pressing block and steel balls connected between the upper steel ball pressing block and the lower steel ball pressing block, wherein the lower steel ball pressing block is connected to the upper end of the trapezoid block, pits matched with the steel balls are formed in the lower end face of the upper steel ball pressing block and the upper end face of the lower steel ball pressing block, the upper end and the lower end of the steel balls are respectively connected in the pits of the upper steel ball pressing block and the lower steel ball pressing block, and a gap is reserved between the upper steel ball pressing block and the lower steel ball pressing block.
Still further: the steel ball briquetting is characterized in that a plurality of screws are arranged on the circumferential side wall of the steel ball briquetting and are circularly distributed, the screws are detachably connected with the steel ball briquetting through connecting holes formed in the circumferential side wall of the steel ball briquetting, and inscribed threads matched with the screws are arranged on the inner wall of the connecting holes.
Still further: the metal jacket is sleeved on the outer metal spacer bush of the rubber joint, and the length of the metal jacket is matched with that of the outer metal spacer bush.
Still further: the upper end face of supporting seat is planar, and the both ends of the central metal dabber in the rubber joint pass through the bolt and can dismantle the upper end of connection at two supporting seats, the fixed orifices with bolt assorted is seted up at the both ends of central metal dabber, the screw hole with bolt assorted is seted up for the position of fixed orifices to the upper end of supporting seat, the bolt pass the fixed orifices and connect into threaded hole, the both ends of central metal dabber pass through the cooperation fastening of bolt and screw hole at the upper end of two supporting seats.
After the structure is adopted, the rigidity test of the rubber joint is completed through the cooperation of the tool and the press, and the accuracy and precision of the measurement result are ensured by ensuring the consistency of the radial force application; and the pressure-bearing assembly in the design adopts the cooperation of the steel ball pressing block and the steel ball, so that the consistency of the output pressure direction of the press machine and the stress direction of the rubber node is ensured, and the accuracy of the rigidity of the measured rubber node is ensured.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a rubber node.
Fig. 2 is a perspective view of the structure of the present utility model.
Fig. 3 is a front view of the present utility model.
Fig. 4 is a right-side view of the structure of the present utility model.
FIG. 5 is a top view of the present utility model
Detailed Description
The utility model provides a radial rigidity measurement frock of rubber joint as shown in fig. 2, fig. 3, fig. 4 and fig. 5, the structure includes supporting seat 2, metal overcoat 3, briquetting 4 and pressure-bearing component, the supporting seat be provided with two, two supporting seats set up relatively and fix under the press, the metal overcoat can dismantle the suit in the outside of rubber joint 1, the metal overcoat pass through rubber joint and dismantle the connection on two supporting seats, the briquetting setting on the metal overcoat, the briquetting constitute by trapezoidal piece and connecting block upper and lower link into an organic whole, the arc spread groove with metal overcoat assorted has been seted up to the bottom of connecting block, the upper end of trapezoidal piece is plane form, pressure-bearing component set up the upper end of trapezoidal piece and its be located the press piston output under.
When the device works, the pointers of the two dial indicators vertically downwards contact the surface of the pressing block 4 to precisely measure the radial displacement value of the rubber node after being pressed, and the two pointers are respectively contacted with the two test points 4-1 on the pressing block. In order to reduce the error of displacement measurement, the utility model adopts 2 dial gauges to measure the displacement, and takes the average value of the data measured by 2 gauges as the value of the deformation S.
The bearing assembly shown in fig. 3 and 4 is composed of an upper steel ball press block 6, a lower steel ball press block 6 and a steel ball 7 connected between the upper steel ball press block and the lower steel ball press block, wherein the lower steel ball press block is connected to the upper end of the trapezoid block, the lower end face of the upper steel ball press block and the upper end face of the lower steel ball press block are provided with pits matched with the steel balls, the upper end and the lower end of the steel ball are respectively connected in the pits of the upper steel ball press block and the lower steel ball press block, and a gap is reserved between the upper steel ball press block and the lower steel ball press block.
As shown in fig. 3 and 4, a plurality of screws 8 are arranged on the circumferential side wall of the steel ball press block, the screws are circularly distributed and detachably connected with the steel ball press block through connecting holes formed in the circumferential side wall of the steel ball press block, and internal threads matched with the screws are arranged on the inner wall of the connecting holes.
The metal jacket is sleeved on the outer layer metal spacer bush of the rubber joint, and the length of the metal jacket is matched with that of the outer layer metal spacer bush.
As shown in fig. 3, the upper end surfaces of the supporting seats are planar, two ends of a central metal mandrel in the rubber joint are detachably connected to the upper ends of the two supporting seats through bolts 5, fixing holes matched with the bolts are formed in the two ends of the central metal mandrel, threaded holes matched with the bolts are formed in the upper ends of the supporting seats relative to the positions of the fixing holes, the bolts penetrate through the fixing holes and are connected into the threaded holes, and the two ends of the central metal mandrel are fastened to the upper ends of the two supporting seats through the matching of the bolts and the threaded holes.
In summary, the stiffness test of the rubber joint is completed through the cooperation of the tool and the press, and the accuracy and precision of the measurement result are ensured by ensuring the consistency of the radial force application; and the pressure-bearing assembly in the design adopts the cooperation of the steel ball pressing block and the steel ball, so that the consistency of the output pressure direction of the press machine and the stress direction of the rubber node is ensured, and the accuracy of the rigidity of the measured rubber node is ensured.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be within the scope of the utility model as set forth in the following claims.
Claims (5)
1. The utility model provides a rubber joint radial rigidity measures frock which characterized in that: the structure includes supporting seat (2), metal overcoat (3), briquetting (4) and pressure-bearing component, the supporting seat be provided with two, two supporting seats set up relatively and fix under the press, the metal overcoat can dismantle the outside of suit at rubber joint (1), the metal overcoat pass through the rubber joint and dismantle the connection on two supporting seats, the briquetting set up on the metal overcoat, the briquetting form by trapezoidal piece and connecting block upper and lower link into an organic whole, the arc spread groove with metal overcoat assorted has been seted up to the bottom of connecting block, the upper end of trapezoidal piece is plane form, pressure-bearing component set up in the upper end of trapezoidal piece and its under that is located press piston output.
2. The rubber joint radial stiffness measurement tool according to claim 1, wherein: the pressure-bearing assembly consists of an upper steel ball pressing block (6) and a lower steel ball pressing block (7) connected between the upper steel ball pressing block and the lower steel ball pressing block, wherein the lower steel ball pressing block is connected to the upper end of the trapezoid block, pits matched with the steel balls are formed in the lower end face of the upper steel ball pressing block and the upper end face of the lower steel ball pressing block, the upper end and the lower end of the steel ball are respectively connected in the pits of the upper steel ball pressing block and the lower steel ball pressing block, and a gap is reserved between the upper steel ball pressing block and the lower steel ball pressing block.
3. The rubber joint radial stiffness measurement tool according to claim 2, wherein: the steel ball briquetting is characterized in that a plurality of screws (8) are arranged on the circumferential side wall of the steel ball briquetting, the screws are circularly distributed and detachably connected with the steel ball briquetting through connecting holes formed in the circumferential side wall of the steel ball briquetting, and inscribed threads matched with the screws are arranged on the inner wall of the connecting holes.
4. The rubber joint radial stiffness measurement tool according to claim 1, wherein: the metal jacket is sleeved on the outer metal spacer bush of the rubber joint, and the length of the metal jacket is matched with that of the outer metal spacer bush.
5. The rubber joint radial stiffness measurement tool according to claim 1, wherein: the upper end faces of the supporting seats are planar, two ends of a central metal mandrel in the rubber joint are detachably connected to the upper ends of the two supporting seats through bolts (5), fixing holes matched with the bolts are formed in the two ends of the central metal mandrel, threaded holes matched with the bolts are formed in the upper ends of the supporting seats relative to the positions of the fixing holes, the bolts penetrate through the fixing holes and are connected into the threaded holes, and the two ends of the central metal mandrel are fastened to the upper ends of the two supporting seats through the matching of the bolts and the threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322019343.XU CN220438005U (en) | 2023-07-31 | 2023-07-31 | Radial rigidity measurement tool for rubber joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322019343.XU CN220438005U (en) | 2023-07-31 | 2023-07-31 | Radial rigidity measurement tool for rubber joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220438005U true CN220438005U (en) | 2024-02-02 |
Family
ID=89690853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322019343.XU Active CN220438005U (en) | 2023-07-31 | 2023-07-31 | Radial rigidity measurement tool for rubber joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220438005U (en) |
-
2023
- 2023-07-31 CN CN202322019343.XU patent/CN220438005U/en active Active
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