CN102943785B - Piston cylinder and installation method thereof - Google Patents
Piston cylinder and installation method thereof Download PDFInfo
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- CN102943785B CN102943785B CN201210491811.7A CN201210491811A CN102943785B CN 102943785 B CN102943785 B CN 102943785B CN 201210491811 A CN201210491811 A CN 201210491811A CN 102943785 B CN102943785 B CN 102943785B
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Abstract
The invention provides a kind of piston cylinder and installation method thereof.Wherein piston cylinder comprises: cylinder barrel (40), has end cap (43), and end cap (43) has the first endoporus (431) arranged along its axial direction; Piston rod (60), has second endoporus (61) coaxial with the first endoporus (431); And mounting bracket assembly (30), be fixed in the second endoporus (61), mounting bracket assembly (30) has coaxial the 3rd endoporus arranged to wear sensor (70) with the first endoporus (431); 3rd endoporus comprises and adapts to clamp sensor head (71) with the sensor head of sensor (70) (71) and realize the first endoporus section (3112) of radial location.The present invention can facilitate sensor installation.
Description
Technical field
The present invention relates to the mounting structure of sensor, in particular to a kind of piston cylinder and installation method thereof.
Background technique
Oil hydraulic cylinder, as a kind of actuator, is mainly used to drive load to do reciprocating linear motion.In order to meet the work requirements of distinct device, the runnability of equipment can be grasped clearly, know the particular location that equipment mechanism runs, oil hydraulic cylinder inside needs installation position displacement sensor, known the particular location of equipment mechanism operation by displacement transducer, according to concrete position, carry out the adjustment of mechanism, reach equipment mechanism to run and carry out controlled object, to meet simultaneously processing and install reliable and simple.
As shown in Figure 1, for existing a kind of oil hydraulic cylinder, comprise the cylinder barrel 40 ' with hydraulic fluid port 41 ' and end cap 43 ', end cap 43 ' has endoporus 431 ', piston 50 ' and piston rod 60 ' are set in cylinder barrel 40 ', be fixed with mounting bracket assembly 30 ' in the endoporus of piston rod 60 ', mounting bracket assembly 30 ' comprises positioning ring 311 ', and positioning ring 311 ' has mounting hole.
This kind of oil hydraulic cylinder, when sensor installation 70 ', need first the bundle of outputs 73 ' to be cut off, make outlet terminal 74 ' and sensor head 71 ' separately, then the radial hole for installing outlet terminal 74 ' of end cap 43 ' upper end is inserted with an iron wire, through the endoporus 431 ' of end cap 43 ', and after extending to the endoporus outside of cylinder barrel 40 ', the end of the part bundle of outputs 73 ' be connected with sensor head 71 ' by this iron wire connects, and electricity consumption adhesive plaster is fixed.By iron wire traction guiding, sensor 70 ' is loaded in the endoporus 431 ' of end cap 43 ', by the first screw 21 ', sensor 70 ' is fixed.Then piston 50 ' is fixedly connected with piston rod 60 ', then mounting bracket assembly 30 ' is fixedly connected with piston rod 60 '; Then stationary positioned ring 311 ', again sensor 70 ' is located in piston 50 ', piston rod 60 ', mounting bracket assembly 30 ', remove iron wire and adhesive plaster, the part bundle of outputs 73 ' on sensor 70 ' is connected with the part bundle of outputs 14 on outlet terminal 74 ', be wound around electric adhesive plaster, finally use the second screw 22 ' to be fixed in the radial hole of end cap 43 ' upper end by outlet terminal 74 '.
Due in prior art, mounting hole in positioning ring 311 ' coordinates for movable with sensor 70 ', this mounting hole does not have locating function, and piston 50 ', the quality of piston rod 60 ' and mounting bracket assembly 30 ' is larger, the inducing probes 72 ' of sensor 70 ' is longer simultaneously, there is certain winding degree, there is again a kind of not visible state in cylinder barrel 40 ' inside, so during sensor installation 70 ', sensor 70 ' is poor with the centering of above-mentioned parts, sensor 70 ' is not easy to be located in piston 50 ' accurately, in piston rod 60 ' and mounting bracket assembly 30 ', manufacturability is poor, also can damage simultaneously sensor 70 ' and on the annex such as the bundle of outputs 73 '.
Summary of the invention
The present invention aims to provide a kind of piston cylinder and the installation method thereof that can facilitate sensor installation.
To achieve these goals, according to an aspect of the present invention, provide a kind of piston cylinder, comprising: cylinder barrel, have end cap, end cap has the first endoporus arranged along its axial direction; Piston rod, has the second endoporus with the first female coaxial; And mounting bracket assembly, be fixed in the second endoporus, mounting bracket assembly has the 3rd endoporus arranged with the first female coaxial to wear sensor; 3rd endoporus comprises and adapts to clamp sensor head with the sensor head of sensor and realize the first endoporus section of radial location.
Further, sensor head comprises the first diameter section and Second bobbin diameter section that are connected, the outer circumferential face of Second bobbin diameter section and the first endoporus section interference fit; Sensor also comprises inducing probes, the bundle of outputs and outlet terminal, inducing probes is connected with Second bobbin diameter section, inducing probes extends along its axial direction in the 3rd endoporus of mounting bracket assembly, the first end of the bundle of outputs is fixedly connected with the first diameter section, second end is fixedly connected with outlet terminal, and outlet terminal is positioned at cylinder barrel outside.
Further, the 3rd endoporus also comprises: the first reaming section, is connected with the first end of the first endoporus section towards end cap, and its radial cross section increases gradually along the direction away from the first endoporus section; And the second endoporus section, be connected with the second end of the first endoporus section and extend the inducing probes to wear sensor to the direction away from end cap.
Further, mounting bracket assembly has relative to symmetrically arranged first radial hole in the axial middle section of the 3rd endoporus, and the first radial hole is connected with the first endoporus section, is connected with the 3rd endoporus to make the first endoporus.
Further, mounting bracket assembly comprises the fixing fitting seat that to be spirally connected near the end of end cap with the second endoporus, and fitting seat has the first endoporus section.
Further, fitting seat has towards the end face of end cap the protuberance extended in the first endoporus of cylinder barrel, and protuberance has the first endoporus section.
Further, fitting seat has the positioning ring being positioned at its radially inner side, and positioning ring has the first endoporus section.
Further, positioning ring extends in the first endoporus towards one end of end cap, and the first endoporus section is positioned at the extending end of positioning ring.
Further, the first endoporus of end cap comprises: the 3rd endoporus section, is positioned at the side of the first endoporus away from mounting bracket assembly; And the second reaming section, be connected with the 3rd endoporus section and be positioned at the side of the first endoporus near mounting bracket assembly, the radial cross section of the second reaming section increases gradually along the direction near mounting bracket assembly.
According to another aspect of the present invention, provide a kind of installation method of piston cylinder, comprising: mounting bracket assembly is fixed in the second endoporus of piston rod; The Second bobbin diameter section of the sensor head of sensor is clamped in the first endoporus section of the 3rd endoporus of mounting bracket assembly; And mounting bracket assembly and sensor are fixed in cylinder barrel.
Further, also comprised before in the second endoporus mounting bracket assembly being fixed on piston rod: piston is fixedly connected with piston rod; And assembling mounting bracket assembly, positioning ring is fixed in fitting seat.
Further, mounting bracket assembly and sensor are fixed in cylinder barrel comprise: block the bundle of outputs between the outlet terminal of sensor and sensor head; Traction piece to be located in the first endoporus of end cap and to stretch out outside the 4th endoporus of cylinder barrel; End winding support traction piece being positioned at the bundle of outputs that the end outside the 4th endoporus of cylinder barrel is connected with sensor head connects; Mounting bracket assembly, piston, piston rod and sensor are placed on the erection unit of piston cylinder; With the 4th endoporus of cylinder barrel for guiding, mounting bracket assembly, piston, piston rod and sensor are loaded in the 4th endoporus of cylinder barrel, until sensor head arrives the interior edge face of end cap; Draw the bundle of outputs be connected with sensor head with traction piece, the bundle of outputs is caused the outside that end cap installs the second radial hole of outlet terminal; And the radial step surface in the first diameter section of sensor head and the first endoporus is abutted against in the first endoporus the first diameter section of sensor head being pushed end cap.
Further, radial step surface in first diameter section of sensor head and the first endoporus is abutted against comprise in the first endoporus first diameter section of sensor head being pushed end cap: add pressure oil from the hydraulic fluid port of cylinder barrel, pressure oil enters pressurizeing away from after the end face of end cap of the inducing probes of sensor, the radial step surface in the first diameter section of sensor head and the first endoporus is abutted against in the first endoporus the first diameter section of sensor head being pushed end cap.
Apply technological scheme of the present invention, the endoporus of mounting bracket assembly has the endoporus section adapted with the sensor head of sensor, this endoporus section is utilized to grip sensor head, utilize the alignment of piston, piston rod and mounting bracket assembly simultaneously and lead with the coaxial cooperation of end cap endoporus and the effect of hydraulic coupling, realize the accurate location and installation of sensor in piston cylinder, avoid the radial movable and damage of the annex such as the sensor that causes and the bundle of outputs thereof of sensor in installation process.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the sectional view of the piston cylinder according to prior art;
Fig. 2 shows a schematic diagram of sensor installation process according to first embodiment of the invention;
Fig. 3 shows the A place enlarged view according to Fig. 2;
Fig. 4 shows the structural representation of positioning ring according to first embodiment of the invention;
Fig. 5 shows another schematic diagram of sensor installation process according to first embodiment of the invention;
Fig. 6 shows the B place enlarged view according to Fig. 5;
Fig. 7 shows the sectional view of the piston cylinder according to second embodiment of the present invention; And
Fig. 8 shows the C place enlarged view according to Fig. 7.
Embodiment
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figures 2 to 6, according to first embodiment of the invention, provide a kind of piston cylinder, comprise cylinder barrel 40, piston 50, piston rod 60 and mounting bracket assembly 30.Wherein cylinder barrel 40 has hydraulic fluid port 41 and end cap 43, and end cap 43 has the first endoporus 431 arranged along its axial direction, and piston 50, piston rod 60 and mounting bracket assembly 30 are all arranged in the 4th endoporus 42 of cylinder barrel 40.It is outer and be fixedly connected with piston rod 60 that piston 50 ring is located at piston rod 60, piston rod 60 has second endoporus 61 coaxial with the first endoporus 431, mounting bracket assembly 30 is fixed in the second endoporus 61, mounting bracket assembly 30 has coaxial the 3rd endoporus arranged with the first endoporus 431, and sensor 70 is located in the 3rd endoporus and the first endoporus 431.The entirety that piston 50, piston rod 60 and mounting bracket assembly 30 are formed can move reciprocatingly along its axial direction in cylinder barrel 40.
Sensor 70 comprises sensor head 71, inducing probes 72, the bundle of outputs 73 and outlet terminal 74.Wherein sensor head 71 comprises the first diameter section 711 and Second bobbin diameter section 712 that are connected, the outer circumferential face of Second bobbin diameter section 712 and the first endoporus section 3112 interference fit, inducing probes 72 is connected with Second bobbin diameter section 712, inducing probes 72 extends along its axial direction in the 3rd endoporus of mounting bracket assembly 30, the first end of the bundle of outputs 73 is fixedly connected with the first diameter section 711, second end is fixedly connected with outlet terminal 74, and it is outside that outlet terminal 74 is positioned at cylinder barrel 40.
Thinking of the present invention drafts a kind of design proposal accurately installing alignment sensor, and in order to realize this purpose, the 3rd endoporus of mounting bracket assembly 30 comprises the first endoporus section 3112 adapted with the sensor head 71 of sensor 70.When sensor installation 70, the first endoporus section 3112 is utilized to be clamped sensor head 71, prevent it from installation process, radial displacement occurring, sensor 70 annex is avoided to be damaged, ensure that the installation of sensor 70 entirety is accurate, ensure the coaxial of sensor 70 and piston 50, piston rod 60 and end cap 43 simultaneously, guarantee the performance of sensor 70.
As shown in Figure 2 and Figure 5, particularly, mounting bracket assembly 30 comprises fitting seat 31, ring magnet 32, ring washer 33 and sensor guide rod 34.Wherein fitting seat 31 to be arranged in the second endoporus 61 of piston rod 60 and to be spirally connected fixing with the second endoporus 61 near the end of end cap 43, the radially inner side of fitting seat 31 has the positioning ring 311 being spirally connected fixing with fitting seat 31, ring washer 33 is fixed on the inner circle wall of fitting seat 31, its material is that non-permeable material is made, for matching to clamp ring magnet 32 with positioning ring 311, the miscellaneous part preventing the internal surface of ring magnet 32 and magnetic conductive material from making contacts, if the component inner surface that magnetic conductive material is made contacts with ring magnet 32 internal surface, to directly affect the inductive effects of sensor 70, sensor guide rod 34 is fixedly connected with fitting seat 31, and its endoporus extends, for wearing the inducing probes 72 of sensor 70 along the direction away from end cap 43.The endoporus of positioning ring 311, ring magnet 32, ring washer 33 and sensor guide rod 34 has connected to form the 3rd endoporus of aforesaid mounting bracket assembly 30 in turn.Wherein the first endoporus section 3112 is arranged in positioning ring 311.
Certainly, the means of fixation of positioning ring 311 is not limited to be threaded, also can by being welded and fixed.
As shown in Figure 4, the endoporus of positioning ring 311 comprises the first endoporus section 3112 of being connected and the second endoporus section 3113, second endoporus section 3113 is connected with one end of the end cap dorsad 43 of the first endoporus section 3112 and extends to the direction away from end cap 43.Existing sensor 70 comprises sensor head 71, inducing probes 72, the bundle of outputs 73 and outlet terminal 74, inducing probes 72 is arranged on one end of sensor head 71, and the bundle of outputs 73 is connected to the other end of sensor head 71 and is connected between outlet terminal 74 and sensor head 71.Wherein sensor head 71 comprises the first diameter section 711 and Second bobbin diameter section 712 that are integrally connected, and the external diameter of the first diameter section 711 is greater than the external diameter of Second bobbin diameter section 712, and Second bobbin diameter section 712 is connected with inducing probes 72.In order to prevent sensor 70 from dropping in installation process, the first endoporus section 3112 and Second bobbin diameter section 712 interference fit of sensor head 71, be embedded the Second bobbin diameter section 712 of sensor 70 in the first endoporus section 3112 of positioning ring 311.Magnitude of interference is herein chosen to pull sensor 70 and is not come off and be as the criterion.Second endoporus section 3113 adapts to wear inducing probes 72 with the endoporus of ring washer 33 and sensor guide rod 34.
Conveniently sensor head 71 is fixed in the first endoporus section 3112, the radial cross section that the endoporus of positioning ring 311 also comprises the first reaming section 3111, the first reaming section 3111 towards end cap 43 one end being connected to the first endoporus section 3112 increases gradually along the direction away from the first endoporus section 3112.
In conjunction with see Fig. 3 and Fig. 6, due to sensor 70 when mounted, sensor head 71 first blocks to establish and is fixed in positioning ring 311, then the thrust by hydraulic oil is needed to move in the first endoporus 431 of end cap 43, so conveniently sensor head 71 enters in the first endoporus 431, first endoporus 431 comprises the 3rd endoporus section and the second reaming section, wherein the 3rd endoporus section is positioned at the side of the first endoporus 431 away from mounting bracket assembly 30, second reaming Duan Yu tri-endoporus section is connected and is positioned at the first endoporus 431 near the side of mounting bracket assembly 30, the radial cross section of the second reaming section increases gradually along the direction near mounting bracket assembly 30.
In order to the hydraulic fluid port 41 of the fluid cylinder barrel 40 remained in the first endoporus section 3112 after making sensor 70 installation is connected, the fluid of the first endoporus section 3112 is avoided to produce tired pressure phenomenon, mounting bracket assembly 30 has first radial hole 3114 symmetrically arranged relative to the axial middle section of the 3rd endoporus, first radial hole 3114 is connected with the first endoporus section 3112, can be communicated with the first endoporus 431 and the 3rd endoporus like this.
In order to ensure that sensor head 71 is from the first endoporus section 3112 to the smooth transition the first endoporus 431 movement process, the first endoporus section 3112 is arranged in the first endoporus 431.Particularly, positioning ring 311 extends in the first endoporus 431 towards one end of end cap 43, and the first endoporus section 3112 is positioned at the extending end of positioning ring 311.
In conjunction with see Fig. 2, Fig. 3, Fig. 5 and Fig. 6, present invention also offers the installation method of a kind of sensor 70 in the piston cylinder shown in first embodiment, comprising: mounting bracket assembly 30 is fixed in the second endoporus 61 of piston rod 60; The Second bobbin diameter section 712 of the sensor head 71 of sensor 70 is clamped in the first endoporus section 3112 of the 3rd endoporus of mounting bracket assembly 30; And mounting bracket assembly 30 and sensor 70 are fixed in cylinder barrel 40.
Particularly, this installation method comprises the following steps:
1. piston 50 is fixedly connected with piston rod 60;
2. assemble mounting bracket assembly 30, positioning ring 311 is fixed in fitting seat 31, and mounting bracket assembly 30 and piston 50, piston rod 60 are fitted together;
3. combine see Fig. 2 and Fig. 3, the Second bobbin diameter section 712 of sensor 70 is embedded in the first endoporus section 3112 of positioning ring 311;
4. cut off the bundle of outputs 73 between outlet terminal 74 and sensor head 71, with traction piece, be preferably iron wire, insert end cap 43 upper end for installing the second radial hole of outlet terminal 74, through the first endoporus 431 of end cap 43, and the 4th endoporus 42 extending to cylinder barrel 40 is outside, then the part bundle of outputs 73 end be connected with sensor head 71 connects, and electricity consumption adhesive plaster is fixed;
5. by the above-mentioned mounting bracket assembly 30 connected, piston 50, piston rod 60 and sensor 70 are placed on the erection unit of piston cylinder, with the 4th endoporus 42 of cylinder barrel 40 for guiding, by mounting bracket assembly 30, piston 50, piston rod 60 and sensor 70 load in the 4th endoporus 42 of cylinder barrel 40, until sensor head 71 arrives the interior edge face of end cap 43, draw the part bundle of outputs 73 be connected with sensor head 71 and other sensor clusters be connected with sensor head 71 with traction piece simultaneously, this part bundle of outputs 73 is caused the outside of the second radial hole of the installation outlet terminal 74 of end cap 43, now the first diameter section 711 of sensor head 71 has entered in the first endoporus 431 of end cap 43, but does not arrive design attitude, the radial step surface 432 namely in the first endoporus 431,
6. combine see Fig. 5 and Fig. 6, pressure oil p is entered from hydraulic fluid port 41, pressure oil p is through piston 50, piston rod 60 and mounting bracket assembly 30 and the gap between cylinder barrel 40 and end cap 43, enter the end away from end cap 43 of the inducing probes 72 of sensor 70, pressurization, pressure oil p produces thrust F=P × S, wherein S be the annulus area of sensor head 71 and inducing probes 72 the difference of annulus area, P is that hydraulic system enters the force value of the fluid in oil hydraulic cylinder from hydraulic fluid port 41.Under the effect of thrust F, sensor 70 is pushed end cap 43 first in design attitude in 431, even if sensor head 71 and radial step surface 432 abut against;
7. the tapped hole by end cap 43 is arranged, tighten the first screw 21 in the locating slot of the first diameter section 711, fixation of sensor 70, prevents it from rotating and moves axially;
8. remove traction piece and adhesive plaster, the bundle of outputs 73 on sensor head 71 is connected with the bundle of outputs 73 on outlet terminal 74, is wound around electric adhesive plaster, with the second screw 22, outlet terminal 74 is fixed.
This kind of structure sensor is easy for installation, simple, and using effect is good.
In conjunction with see Fig. 7 and Fig. 8, according to second embodiment of the present invention, provide a kind of piston cylinder, it is substantially identical with the structure of first embodiment, difference is in the present embodiment, the positioning ring be not additionally threaded in fitting seat 31, but directly fitting seat 31 and positioning ring are made as a whole, the first endoporus section 3112, second endoporus section 3113 and reaming section 3111 is set in the endoporus of fitting seat 31.
In order to ensure that sensor head 71 is from the first endoporus section 3112 to the smooth transition the first endoporus 431 movement process, fitting seat 31 has towards the end face of end cap 43 protuberance extended in the first endoporus 431 of cylinder barrel 40, and the first endoporus section 3112 is arranged in protuberance.
Present invention also offers the installation method of a kind of sensor 70 in the piston cylinder shown in second embodiment:
By the first diameter section 711 of the first endoporus section 3112 fixation of sensor head 71 of mounting bracket assembly 30, utilize the first diameter section 711 and piston 50, piston rod 60, mounting bracket assembly 30 coaxial, by the guiding of the 4th endoporus 42 of cylinder barrel 40, sensor 70 is arranged in the first endoporus 431 of end cap 43, again by the effect of pressure oil p, sensor 70 is pushed into the design attitude of the first endoporus 431 of end cap 43.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: by the structure making the endoporus of mounting bracket assembly have radial location sensor head, namely this endoporus has and adapts to clamp and the endoporus section of radial fixation of sensor head with the sensor head of sensor, i.e. above-mentioned the first endoporus section 3112 coordinated with the first diameter section 711 of sensor head 71, this endoporus section is utilized to grip sensor head, utilize piston simultaneously, the alignment of piston rod and mounting bracket assembly and leading with the coaxial cooperation of end cap endoporus and the effect of hydraulic coupling, realize the accurate location and installation of sensor in piston cylinder, avoid the radial movable and damage of the annex such as the sensor that causes and the bundle of outputs thereof of sensor in installation process.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a piston cylinder, comprising:
Cylinder barrel (40), has end cap (43), and described end cap (43) has the first endoporus (431) arranged along its axial direction;
Piston rod (60), has second endoporus (61) coaxial with described first endoporus (431); And
Mounting bracket assembly (30), be fixed in described second endoporus (61), described mounting bracket assembly (30) has coaxial the 3rd endoporus arranged to wear sensor (70) with described first endoporus (431);
It is characterized in that, described 3rd endoporus comprises and adapts to clamp described sensor head (71) with the sensor head of described sensor (70) (71) and realize the first endoporus section (3112) of radial location;
Described mounting bracket assembly (30) has relative to symmetrically arranged first radial hole (3114) in the axial middle section of described 3rd endoporus, described first radial hole (3114) is connected with described first endoporus section (3112), is connected with described 3rd endoporus to make described first endoporus (431).
2. piston cylinder according to claim 1, is characterized in that,
Described sensor head (71) comprises the first diameter section (711) and Second bobbin diameter section (712) that are connected, the outer circumferential face of described Second bobbin diameter section (712) and described first endoporus section (3112) interference fit;
Described sensor (70) also comprises inducing probes (72), the bundle of outputs (73) and outlet terminal (74), described inducing probes (72) is connected with described Second bobbin diameter section (712), described inducing probes (72) extends along its axial direction in described 3rd endoporus of described mounting bracket assembly (30), the first end of the described bundle of outputs (73) is fixedly connected with described first diameter section (711), second end is fixedly connected with described outlet terminal (74), it is outside that described outlet terminal (74) is positioned at described cylinder barrel (40).
3. piston cylinder according to claim 2, is characterized in that, described 3rd endoporus also comprises:
First reaming section (3111), is connected with the first end of described first endoporus section (3112) towards described end cap (43), and its radial cross section increases gradually along the direction away from described first endoporus section (3112); And
Second endoporus section (3113), is connected with the second end of described first endoporus section (3112) and extends the described inducing probes (72) to wear described sensor (70) to the direction away from described end cap (43).
4. piston cylinder according to any one of claim 1 to 3, it is characterized in that, described mounting bracket assembly (30) comprises the fitting seat (31) being spirally connected fixing near the end of described end cap (43) with described second endoporus (61), and described fitting seat (31) has described first endoporus section (3112).
5. piston cylinder according to claim 4, it is characterized in that, described fitting seat (31) has towards the end face of described end cap (43) protuberance extended in first endoporus (431) of described cylinder barrel (40), and described first endoporus section (3112) is arranged on described protuberance.
6. piston cylinder according to claim 4, it is characterized in that, described fitting seat (31) has the positioning ring (311) being positioned at its radially inner side, and described first endoporus section (3112) is arranged on described positioning ring (311).
7. piston cylinder according to claim 6, it is characterized in that, described positioning ring (311) extends in described first endoporus (431) towards one end of described end cap (43), and described first endoporus section (3112) is positioned at the extending end of described positioning ring (311).
8. piston cylinder according to any one of claim 1 to 3, is characterized in that, described first endoporus (431) of described end cap (43) comprising:
3rd endoporus section, is positioned at the side of described first endoporus (431) away from described mounting bracket assembly (30); And
Second reaming section, be connected with described 3rd endoporus section and be positioned at the side of described first endoporus (431) near described mounting bracket assembly (30), the radial cross section of described second reaming section increases gradually along the direction near described mounting bracket assembly (30).
9. an installation method for piston cylinder according to any one of claim 1 to 8, is characterized in that, comprising:
Mounting bracket assembly (30) is fixed in second endoporus (61) of piston rod (60);
The diameter section of the outer circumferential face of the sensor head (71) of sensor (70) and the first endoporus section (3112) interference fit is clamped in the first endoporus section (3112) of the 3rd endoporus of described mounting bracket assembly (30); And
Described mounting bracket assembly (30) and described sensor (70) are fixed in cylinder barrel (40);
Described mounting bracket assembly (30) has relative to symmetrically arranged first radial hole (3114) in the axial middle section of described 3rd endoporus, described first radial hole (3114) is connected with described first endoporus section (3112), is connected with described 3rd endoporus to make described first endoporus (431).
10. the installation method of piston cylinder according to claim 9, is characterized in that, also comprises before described being fixed on by mounting bracket assembly (30) in second endoporus (61) of piston rod (60):
Piston (50) is fixedly connected with described piston rod (60); And
Assemble described mounting bracket assembly (30), positioning ring (311) is fixed in fitting seat (31).
The installation method of 11. piston cylinders according to claim 10, is characterized in that, described described mounting bracket assembly (30) and described sensor (70) being fixed in cylinder barrel (40) comprises:
Block the bundle of outputs (73) between the outlet terminal (74) of described sensor (70) and described sensor head (71);
Traction piece to be located in first endoporus (431) of end cap (43) and the 4th endoporus (42) stretching out described cylinder barrel (40) outward;
The end winding support of the described bundle of outputs (73) that described 4th endoporus (42) end outward described traction piece being positioned at described cylinder barrel (40) is connected with described sensor head (71) connects;
Described mounting bracket assembly (30), described piston (50), described piston rod (60) and described sensor (70) are placed on the erection unit of piston cylinder;
With described 4th endoporus (42) of described cylinder barrel (40) for guiding, described mounting bracket assembly (30), described piston (50), described piston rod (60) and described sensor (70) are loaded in described 4th endoporus (42) of described cylinder barrel (40), until described sensor head (71) arrives the interior edge face of described end cap (43);
Draw the described bundle of outputs (73) be connected with described sensor head (71) with described traction piece, the described bundle of outputs (73) is caused the outside that described end cap (43) installs the second radial hole of described outlet terminal (74); And
In described first endoporus (431) first diameter section (711) of described sensor head (71) being pushed described end cap (43) described first diameter section (711) of described sensor head (71) abutted against with the radial step surface (432) in described first endoporus (431).
The installation method of 12. piston cylinders according to claim 11, it is characterized in that, described first diameter section (711) of described sensor head (71) is abutted against with the radial step surface (432) in described first endoporus (431) comprise in the first endoporus (431) that described described first diameter section (711) by described sensor head (71) pushes described end cap (43):
Pressure oil is added from the hydraulic fluid port (41) of described cylinder barrel (40), pressure oil pressurizes after entering the end face away from described end cap (43) of the inducing probes (72) of described sensor (70), in described first endoporus (431) described first diameter section (711) of described sensor head (71) being pushed described end cap (43) described first diameter section (711) of described sensor head (71) is abutted against with the described radial step surface (432) in described first endoporus (431).
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| CN201210491811.7A CN102943785B (en) | 2012-11-27 | 2012-11-27 | Piston cylinder and installation method thereof |
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| CN201210491811.7A CN102943785B (en) | 2012-11-27 | 2012-11-27 | Piston cylinder and installation method thereof |
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| JP6071084B2 (en) * | 2015-07-02 | 2017-02-01 | Ｋｙｂ株式会社 | Fluid pressure cylinder and manufacturing method thereof |
| CN105605028B (en) * | 2016-02-02 | 2017-06-16 | 山西平阳重工机械有限责任公司 | Super-pressure titanium alloy drawing oil cylinder |
| US20220126644A1 (en) * | 2020-10-27 | 2022-04-28 | Fox Factory, Inc. | Internal stroke sensor for an ifp shock assembly |
Citations (2)
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|---|---|---|---|---|
| CN1311405A (en) * | 2000-03-01 | 2001-09-05 | Smc株式会社 | Cylinder and place detecting sensor |
| CN1723349A (en) * | 2002-12-11 | 2006-01-18 | 罗斯蒙德公司 | Hydraulic piston position sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7059238B2 (en) * | 2003-10-17 | 2006-06-13 | Clark Equipment Company | Method and apparatus for stroke position sensor for hydraulic cylinder |
| JP4733481B2 (en) * | 2005-09-09 | 2011-07-27 | カヤバ工業株式会社 | Cylinder device |
| US8100045B2 (en) * | 2008-10-21 | 2012-01-24 | Clark Equipment Company | Hydraulic cylinder rod position sensor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1311405A (en) * | 2000-03-01 | 2001-09-05 | Smc株式会社 | Cylinder and place detecting sensor |
| CN1723349A (en) * | 2002-12-11 | 2006-01-18 | 罗斯蒙德公司 | Hydraulic piston position sensor |
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| CN102943785A (en) | 2013-02-27 |
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