CN206682071U - A kind of hydraulic cylinder with location moving device - Google Patents

A kind of hydraulic cylinder with location moving device Download PDF

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Publication number
CN206682071U
CN206682071U CN201720316263.2U CN201720316263U CN206682071U CN 206682071 U CN206682071 U CN 206682071U CN 201720316263 U CN201720316263 U CN 201720316263U CN 206682071 U CN206682071 U CN 206682071U
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CN
China
Prior art keywords
piston
groove
side wall
cylinder
displacement transducer
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.)
Expired - Fee Related
Application number
CN201720316263.2U
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Chinese (zh)
Inventor
王峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Eagle Hydraulic Cylinder Co Ltd
Original Assignee
Tianjin Eagle Hydraulic Cylinder Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Eagle Hydraulic Cylinder Co Ltd filed Critical Tianjin Eagle Hydraulic Cylinder Co Ltd
Priority to CN201720316263.2U priority Critical patent/CN206682071U/en
Application granted granted Critical
Publication of CN206682071U publication Critical patent/CN206682071U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of hydraulic cylinder with location moving device,Its drip irrigation device is to include cylinder barrel,The cylinder bottom so that cylinder body to be sealed that is installed in cylinder barrel one end and the piston component being plugged in cylinder barrel,Standby cap is threaded with inner ring surface of the cylinder barrel away from cylinder bottom one end,Link slot is provided with the side wall of cylinder bottom,Groove is provided with side wall of the link slot towards cylinder barrel and is connected with mangneto formula displacement transducer in groove internal thread,The position that mangneto formula displacement transducer is corresponded on piston and piston rod is provided with caulking groove,Internal thread is provided with the inner ring surface of link slot and connector is threaded with internal thread,The flexible pipe for the L-shaped being put into for cable is connected between connector and mangneto formula displacement transducer,Annular magnet is embedded with inner ring surface of the piston towards mangneto formula displacement transducer,Reach displacement of the convenience to piston rod and obtain accurate distance controlling and measurement,Improve the technique effect of equipment practicality.

Description

A kind of hydraulic cylinder with location moving device
Technical field
A kind of hydraulic cylinder is the utility model is related to, more particularly to a kind of hydraulic cylinder with side gearshift.
Background technology
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, does straight reciprocating motion(Or oscillating motion)Hydraulic pressure perform member Part, its simple in construction, reliable operation, during with it to realize reciprocating motion, deceleration device can be removed from, and there is no drive gap, Stable movement, therefore be used widely in various mechanical hydraulic systems.
Hydraulic cylinder generally comprises cylinder barrel, cylinder bottom, standby cap, piston and the affixed piston rod of piston and sealing structure, hydraulic pressure Cylinder is being debugged with running, and under the unusual conditions such as maloperation, non-loaded or apparatus failure, piston rod stretches out or is retracted into Oil pressure is continued to after the limit, thrust hydraulic cylinder or pulling force exceed the mechanical coupling strength of cylinder barrel, cylinder bottom and standby cap, will gone out Extreme limit of travel, the damage of this burst often lead to equipment significant trouble and can not recovered for a long time, therefore a kind of, it is necessary to dress Put to protect hydraulic cylinder, and can recover normal work rapidly after unusual condition elimination.
Such as Application No. 200680016137.X Chinese patent, a kind of hydraulic cylinder is disclosed, is installed in the end face of piston There is compression panel, and be equipped with supporting member, on supporting member, have disc spring, plate, post from compression panel side successively sliding gomphosis Plug, these components are using lip portions and by anti-avulsion, and when piston nearly forms end, plunger is inserted into oil circuit and assigns piston Cushioning effect.
Measurement for displacement range during hydraulic cylinder works is particularly significant, but sets measuring cell to account in outside Space is bigger, influences the normal use of equipment.
Utility model content
The purpose of this utility model, which is to provide while one kind can accurately measure piston rod displacement, reduces space-consuming The hydraulic cylinder with location moving device.
Above-mentioned technical purpose of the present utility model technical scheme is that:
A kind of hydraulic cylinder with location moving device, including cylinder barrel, the cylinder bottom that is installed in cylinder barrel one end so that cylinder body to be sealed And the piston component in cylinder barrel is plugged in, the piston component includes piston and is detachably fixed the work being connected on piston Stopper rod, the one end of the piston rod away from cylinder bottom protrude cylinder barrel and set, and screw thread connects on inner ring surface of the cylinder barrel away from cylinder bottom one end The standby cap for sealing cylinder barrel is connected to, inner ring surface and the piston rod of the standby cap are abutted against, and oil is provided with the side wall at cylinder barrel both ends Mouth, link slot is provided with the side wall of cylinder bottom, groove is provided with side wall of the link slot towards cylinder barrel and in groove internal thread Mangneto formula displacement transducer is connected with, the position that mangneto formula displacement transducer is corresponded on piston and piston rod is provided with for mangneto The caulking groove of formula displacement transducer insertion, is provided with internal thread and the company of being threaded with internal thread on the inner ring surface of link slot Device is connect, the flexible pipe for the L-shaped being put into for cable is connected between connector and mangneto formula displacement transducer, in piston towards mangneto Annular magnet is embedded with the inner ring surface of formula displacement transducer.
By using such scheme, in use, by the mangneto formula displacement transducer being embedded in caulking groove, pass through Mangneto formula displacement transducer can detect the displacement of piston rod in real time, enable to measurement more accurate, meanwhile, in link slot Inner ring surface on be threaded with connector so that in use can by connector with outside control terminal be connected, Add the practicality effect of equipment.
Preferably, it is provided with fixing groove on the inner ring surface of piston between annular magnet and groove and is embedded in fixing groove Provided with circlip for hole.
By using such scheme, or extremely high inner ring surface on be provided with fixing groove and hole be embedded with fixing groove and use Circlip, it can prevent annular magnet from dropping by the circlip for hole of setting so that annular magnet can more be stablized Fixation on the piston rod, add the practicality and stabilizing effect of equipment.
Preferably, lock slots are provided with the side wall of groove and are connected with fluting flush end clamp screw in lock slots internal thread Nail, the bottom end face of the fluting flush end holding screw abut against with mangneto formula displacement transducer.
By using such scheme, lock slots are provided with the side wall of groove and are connected with fluting in lock slots internal thread Flush end holding screw, mangneto formula position is connected to by the bottom of rotary slotted flush end holding screw fluting flush end holding screw In the side wall of displacement sensor so that what mangneto formula displacement transducer can be stablized is connected in the side wall of groove, adds equipment Stabilizing effect, while add the practicality effect of equipment.
Piston packing is embedded with preferably, being provided with the periphery of piston in seal groove and seal groove.
By using such scheme, seal groove is provided with the periphery of piston and piston seal is embedded in seal groove Circle so that the sealing effect of piston can be increased by the piston packing of setting in use so that hydraulic cylinder energy It is enough to use for a long time, add the practicality effect of equipment.
Preferably, be provided with dustproof groove in side wall of the standby cap towards piston rod and dust ring is embedded with dustproof groove, The dust ring abuts against with piston rod.
By using such scheme, dustproof groove is provided with the side wall towards piston rod of standby cap and is embedded dust ring, Enable to prevent in using either placement process in cylinder barrel that water, dust or other debris in the external world enter hydraulic cylinder Oil plant is polluted so that the practicality effect increase of equipment.
Preferably, standby cap towards the side wall of cylinder bottom and the junction of standby cap outer ring surface be provided with square groove and square groove with it is standby The junction of cap outer ring surface is provided with rounding corner structure.
By using such scheme, square groove is provided with the side wall of standby cap and in the edges and corners of square groove Yu standby cap junction It is provided with rounding corner structure so that easily installation or dismounting standby cap, equipment operation conveniently, add equipment in use Practicality effect.
Preferably, be installed with side wall of the piston towards standby cap annular setting swivel nut, the inner ring surface of the swivel nut with Mangneto formula displacement transducer abuts against, and the position for corresponding to swivel nut on the piston rod is provided with a stopper slot, is provided with stopper slot The internal thread being adapted with swivel nut, the piston rod are set on swivel nut and are threadedly coupled with swivel nut.
By using such scheme, the swivel nut that annular is set is installed with side wall of the piston towards standby cap, when in use Piston rod thread is connected on swivel nut so that swivel nut can be tightly fixed together with piston rod, convenient that piston rod is entered Row installation or dismounting, add the practicality effect of equipment.
Preferably, the U-shaped part that a notch is set outwardly is installed with the side wall of cylinder bottom.
By using such scheme, U-shaped part is installed with the side wall of cylinder bottom so that U can be passed through in use Shape part is fixed with other devices so that hydraulic cylinder can conveniently install or dismounting so that the practicality effect of equipment increases Add.
Preferably, the junction between side wall and outside cambered surface of the cylinder bottom towards standby cap cuts with the section being obliquely installed.
By using such scheme, the section being obliquely installed is provided with side wall of the cylinder bottom towards standby cap, when in use can It is enough that conveniently cylinder bottom is embedded in inner wall of cylinder so that the compactness increase between cylinder barrel and cylinder barrel, to add the sealing of equipment Property effect.
In summary, the utility model has the advantages that:Add the sealing effect of hydraulic cylinder;Equipment is convenient Installation or dismounting;Add the practicality effect of equipment.
Brief description of the drawings
Fig. 1 is hydraulic cylinder overall structure diagram in embodiment 1;
Fig. 2 is prominent piston and the schematic diagram of piston rod annexation in embodiment 1;
Fig. 3 is A portions enlarged drawing in Fig. 2;
Fig. 4 is the schematic diagram of prominent standby cap and cylinder barrel attachment structure in embodiment 1.
In figure, 1, cylinder barrel;11st, cylinder bottom;111st, section;112nd, U-shaped part;113rd, oil nozzle;12nd, link slot;121st, connector; 122nd, groove;1221st, mangneto formula displacement transducer;123rd, flexible pipe;13rd, piston;131st, swivel nut;1311st, piston rod;132nd, it is spacing Groove;133rd, caulking groove;134th, lock slots;1341st, fluting flush end holding screw;135th, seal groove;1351st, piston packing;136、 Fixing groove;1361st, annular magnet;1362nd, circlip for hole;14th, standby cap;141st, dustproof groove;1411st, dust ring;142nd, side Groove;1421st, rounding corner structure.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry The direction at center.
Embodiment 1:A kind of hydraulic cylinder with location moving device, with reference to Fig. 1 and Fig. 2, including cylinder barrel 1 and it is embedded in cylinder The cylinder bottom 11 that 1 one end of cylinder seals cylinder barrel 1, cuts with to be obliquely installed and cuts in the inwall of the embedded part of cylinder bottom 11 with outer ring surface junction Face 111, the U-shaped part 112 that a notch is set outwardly is installed with the outer wall of cylinder bottom 11, in the side wall at the both ends of cylinder barrel 1 Oil nozzle 113 is provided with, standby cap 14 is threaded with inwall of the cylinder barrel 1 away from the one end of cylinder bottom 11.
Link slot 12 is provided with the outer ring surface of cylinder bottom 11, internal thread and inside is provided with the inner ring surface of link slot 12 Connector 121 is threaded with screw thread, groove 122 is provided with and in groove 122 in side wall of the link slot 12 towards cylinder barrel 1 Internal thread is connected with mangneto formula displacement transducer 1221, the connection between mangneto formula displacement transducer 1221 and connector 121 The flexible pipe 123 for the L-shaped that current supply cable is put into is embedded with groove 12.
Lock slots 134 are provided with the side wall of groove 122 and are connected with bottom and mangneto formula in the internal thread of lock slots 134 The fluting flush end holding screw 1341 that displacement transducer 1221 abuts against, is provided with seal groove 135 simultaneously on the outer ring surface of piston 13 And piston packing 1351 is embedded with seal groove 135, the inner ring surface in piston 13 towards mangneto formula displacement transducer 1221 On be provided with fixing groove 136 and annular magnet 1361 be embedded with fixing groove 136, between annular magnet 1361 and piston 13 Fixing groove 136 in be embedded with circlip for hole 1362.
Piston 13 is also inserted with cylinder barrel 1, the spiral shell of annular setting is installed with side wall of the piston 13 towards standby cap 14 131 are covered, is provided with external screw thread on the outer ring surface of swivel nut 131, inner ring surface and the mangneto formula displacement transducer 1221 of swivel nut 131 offset Connect, the position that swivel nut 131 is corresponded on piston rod 1311 is provided with a stopper slot 132, is provided with the inner ring surface of stopper slot 132 The internal thread being adapted with swivel nut 131, piston rod 1311 are set on swivel nut 131 and are threadedly coupled with swivel nut 131, in the He of piston 13 The position of the corresponding mangneto formula displacement transducer 1221 of piston rod 1311 is provided with the caulking groove being embedded in for mangneto formula displacement transducer 1221 133。
Internal thread is provided with inwall of the cylinder barrel 1 away from the one end of cylinder bottom 11 and standby cap is threaded with internal thread 14, inner ring surface and the piston rod 1311 of standby cap 14 are abutted against, and dustproof groove is provided with side wall of the standby cap 14 towards piston rod 1311 141 and dust ring 1411 is embedded with dustproof groove 141, the dust ring 1411 abuts against with piston rod 1311, in standby cap 14 are provided with square groove 142 and in square groove 142 and the outer shroud of standby cap 14 towards the side wall of cylinder bottom 11 and the junction of the outer ring surface of standby cap 14 The junction in face is provided with rounding corner structure 1421.
Specific operation process is as follows:
When in use, hydraulic oil is injected from the oil nozzle 113 of the side of cylinder bottom 11, piston 13 is in the presence of hydraulic fluid pressure Moved, the hydraulic oil positioned at the right side of piston 13 is extruded, and then control piston rod 1311 to stretch along the direction away from cylinder bottom 11 It is long, piston rod can be accurately detected in real time by mangneto formula displacement transducer 1221 during piston rod 1311 extends 1311 elongation, information is then transferred to control element by connector 121 so that in use being capable of accurate handle Control the displacement of piston rod 1311.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (9)

1. a kind of hydraulic cylinder with location moving device, including cylinder barrel(1), be installed in cylinder barrel(1)One end is with by cylinder barrel(1)Sealing Cylinder bottom(11)And it is plugged in cylinder barrel(1)Interior piston component, the piston component include piston(13)It is and detachable solid Surely it is connected to piston(13)On piston rod(1311), the piston rod(1311)Away from cylinder bottom(11)One end protrude cylinder barrel (1)Set, in cylinder barrel(1)Away from cylinder bottom(11)It is threaded with cylinder barrel on the inner ring surface of one end(1)The standby cap of sealing(14), The standby cap(14)Inner ring surface and piston rod(1311)Abut against, in cylinder barrel(1)Oil nozzle is provided with the side wall at both ends(113), It is characterized in that:In cylinder bottom(11)Side wall on be provided with link slot(12), in link slot(12)Towards cylinder barrel(1)Side wall on open There is groove(122)And in groove(122)Internal thread is connected with mangneto formula displacement transducer(1221), in piston(13)It is and living Stopper rod(1311)Upper corresponding mangneto formula displacement transducer(1221)Position be provided with for mangneto formula displacement transducer(1221)It is embedded Caulking groove(133), in link slot(12)Inner ring surface on be provided with internal thread and connector be threaded with internal thread (121), in connector(121)With mangneto formula displacement transducer(1221)Between be connected with the flexible pipe of the L-shaped being put into for cable (123), in piston(13)Towards mangneto formula displacement transducer(1221)Inner ring surface on be embedded with annular magnet(1361).
2. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In annular magnet(1361)With Groove(122)Between piston(13)Inner ring surface on be provided with fixing groove(136)And in fixing groove(136)Inside it is embedded with hole use Circlip(1362).
3. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In groove(122)Side wall On be provided with lock slots(134)And in lock slots(134)Internal thread is connected with fluting flush end holding screw(1341), the fluting Flush end holding screw(1341)Bottom end face and mangneto formula displacement transducer(1221)Abut against.
4. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In piston(13)Periphery On be provided with seal groove(135)And seal groove(135)Inside it is embedded with piston packing(1351).
5. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In standby cap(14)Towards piston Bar(1311)Side wall on be provided with dustproof groove(141)And in dustproof groove(141)Inside it is embedded with dust ring(1411), it is described dust-proof Circle(1411)With piston rod(1311)Abut against.
6. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In standby cap(14)Towards cylinder bottom (11)Side wall and standby cap(14)The junction of outer ring surface is provided with square groove(142)And in square groove(142)With standby cap(14)Outer shroud The junction in face is provided with rounding corner structure(1421).
7. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In piston(13)Towards standby cap (14)Side wall on be installed with annular setting swivel nut(131), the swivel nut(131)Inner ring surface and mangneto formula displacement transducer (1221)Abut against, in piston rod(1311)Upper corresponding swivel nut(131)Position be provided with a stopper slot(132), in stopper slot (132)Inside it is provided with and swivel nut(131)The internal thread being adapted, the piston rod(1311)It is set in swivel nut(131)Upper and swivel nut (131)Threaded connection.
8. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In cylinder bottom(11)Side wall on It is installed with the U-shaped part that a notch is set outwardly(112).
9. the hydraulic cylinder according to claim 1 with location moving device, it is characterised in that:In cylinder bottom(11)Towards standby cap (14)Side wall and outside cambered surface between junction cut with the section being obliquely installed(111).
CN201720316263.2U 2017-03-29 2017-03-29 A kind of hydraulic cylinder with location moving device Expired - Fee Related CN206682071U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720316263.2U CN206682071U (en) 2017-03-29 2017-03-29 A kind of hydraulic cylinder with location moving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720316263.2U CN206682071U (en) 2017-03-29 2017-03-29 A kind of hydraulic cylinder with location moving device

Publications (1)

Publication Number Publication Date
CN206682071U true CN206682071U (en) 2017-11-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720316263.2U Expired - Fee Related CN206682071U (en) 2017-03-29 2017-03-29 A kind of hydraulic cylinder with location moving device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990751A (en) * 2019-04-30 2019-07-09 广西玉柴机器股份有限公司 A kind of piston protrusion height measuring device and its application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990751A (en) * 2019-04-30 2019-07-09 广西玉柴机器股份有限公司 A kind of piston protrusion height measuring device and its application method
CN109990751B (en) * 2019-04-30 2023-10-24 广西玉柴机器股份有限公司 Piston protrusion height measuring device and use method thereof

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171128

Termination date: 20190329