CN208322643U - A kind of hydraulic elongator having limit function - Google Patents

A kind of hydraulic elongator having limit function Download PDF

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Publication number
CN208322643U
CN208322643U CN201820552290.4U CN201820552290U CN208322643U CN 208322643 U CN208322643 U CN 208322643U CN 201820552290 U CN201820552290 U CN 201820552290U CN 208322643 U CN208322643 U CN 208322643U
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CN
China
Prior art keywords
fixedly connected
mounting cup
slide
plate
screw rod
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
CN201820552290.4U
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Chinese (zh)
Inventor
张俗
张诗迪
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.)
Henan Green Bean Computer Science And Technology Co Ltd
Original Assignee
Henan Green Bean Computer Science And Technology 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
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Priority to CN201820552290.4U priority Critical patent/CN208322643U/en
Application granted granted Critical
Publication of CN208322643U publication Critical patent/CN208322643U/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 elongators for having limit function, including mounting cup, lower rotation is connected with screw rod in the mounting cup, the lower end of the screw rod is connected with bull stick, the lower end of the bull stick runs through the bottom of mounting cup and is connected with rolled round, outer gear ring is arranged on the bull stick, the two sides of the outer gear ring are all provided with limited position mechanism, the upper end of the screw rod runs through the top of mounting cup and is threaded with slide, the two sides of the slide are equipped with mounting blocks, and the two sides of the slide are fixedly connected to multiple third sliding blocks.The utility model is rotated by setting rolled round and drives screw rod rotation, screw rod rotation drives slide mobile, slide is mobile to drive the second magnet to attract each other with the first magnet on the downside of top plate, so that the position of top plate is fixed, so that its components is not susceptible to damage when hydraulic elongator pressure is excessive, it can be facilitated by setting clamping mechanism and mounting cup is disassembled and installed.

Description

A kind of hydraulic elongator having limit function
Technical field
The utility model relates to technical field of hydraulic equipment more particularly to a kind of hydraulic elongators for having limit function.
Background technique
Hydraulic elongator is the advanced tools for bolts ' pretension in the whole world and extracting tool, and hydraulic bolt tensioning jack is with product operation letter Single, easy to use, safety height etc. is widely used in the preload of large diameter bolt.It was verified that hydraulic elongator is to equipment Damage small, coupling assembly uniform force, the high reliablity of bolt-connection.Hydraulic bolt tensioning jack abbreviation hydraulic elongator, it has There is the function of bolt fastening and disassembly.It is widely portable to metallurgical mine, petrochemical industry, shipping industry, electric system, locomotive , the industries such as heavy-duty machinery, existing hydraulic elongator limits it without limiting device, thus when pressure is excessive The components of hydraulic elongator can be damaged.
Utility model content
Purpose of the utility model is to solve existing hydraulic elongators existing in the prior art without limiting Device limits it, thus the shortcomings that being damaged to the components of hydraulic elongator when pressure is excessive, and propose A kind of hydraulic elongator for having limit function.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of hydraulic elongator having limit function, including mounting cup, lower rotation is connected with silk in the mounting cup Bar, the lower end of the screw rod are connected with bull stick, and the lower end of the bull stick runs through the bottom of mounting cup and is connected with rolled round, and described turn Outer gear ring is arranged on bar, the two sides of the outer gear ring are all provided with limited position mechanism, and the top of mounting cup is run through in the upper end of the screw rod Portion is simultaneously threaded with slide, and the two sides of the slide are equipped with mounting blocks, and the two sides of the slide are fixedly connected to multiple Third sliding block, offers third sliding slot corresponding with third sliding block on the mounting blocks, the mounting blocks close to mounting cup one Side is connected with connecting plate by multiple telescopic rods, is connect by clamping mechanism with mounting cup on the connecting plate, the slide Upside is equipped with top plate, is fixedly connected on the downside of the top plate there are two symmetrically arranged support rod, offers in the mounting blocks Loose slot corresponding with support rod, bottom is fixedly connected with lifting cover in the loose slot, passes through elevator in the lifting cover Structure is connect with support rod, and the side of the mounting blocks is fixedly connected with hydraulic pump, and oil-feed tank is offered in the mounting blocks, described The output end of hydraulic pump is through oil-feed tank and is connected with oil inlet pipe, and the oil inlet pipe sequentially passes through activity far from one end of hydraulic pump The bottom of trench bottom and lifting cover simultaneously extends into lifting cover.
Preferably, the position-limit mechanism includes the fixed plate for being fixedly connected on mounting cup bottom, and the fixed plate is far from outer The side of gear ring is connected with T-type pull rod by multiple second springs, and the end of the T-type pull rod through fixed plate and connects limited Position plate, the limit plate are fixedly connected with limiting tooth corresponding with outer gear ring far from the side of T-type pull rod.
Preferably, the clamping mechanism includes two symmetrically arranged snap-gauges, and two opposite sides of the snap-gauge are solid Surely it is connected with the first sliding block, offers first sliding groove corresponding with the first sliding block on the connecting plate, between two snap-gauges Multiple first springs are connected with, card slot corresponding with snap-gauge is offered on the mounting cup.
Preferably, the elevating mechanism includes the piston being slidably and sealingly connected in lifting cover, and the upper end of the piston is solid Surely it is connected with strut, the upper end of the strut runs through the top of lifting cover and is connected with push plate, the upside of the push plate and support Bar is fixedly connected, and the two sides of the support rod are fixedly connected to multiple second sliding blocks, offered on the loose slot inner wall with The corresponding second sliding slot of second sliding block.
Preferably, be arranged with third spring on the telescopic rod, the both ends of the third spring respectively with mounting blocks and company Fishplate bar connection.
Preferably, the bottom of the top plate is fixedly connected with the first magnet, is fixedly connected with second on the upside of the slide Magnet.
Screw rod rotation is driven the utility model has the following beneficial effects: rotating by setting rolled round, screw rod rotation drives slide Mobile, slide is mobile to drive the second magnet to attract each other with the first magnet on the downside of top plate, so that the position of top plate It is fixed, so that when hydraulic elongator pressure is excessive, its components is not susceptible to damage, by the way that clamping mechanism is arranged It can facilitate and mounting cup is disassembled and installed.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of hydraulic elongator for having limit function structural schematic diagram;
Fig. 2 is the structural schematic diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram in Fig. 1 at B;
Fig. 4 is the structural schematic diagram in Fig. 1 at C.
In figure: 1 rolled round, 2 mounting blocks, 3 mounting cups, 4 screw rods, 5 slides, 6 top plates, 7 support rods, 8 hydraulic pumps, 9 oil inlet pipes, 10 lifting covers, 11 pistons, 12 struts, 13 push plates, 14 telescopic rods, 15 connecting plates, 16 snap-gauges, 17 first springs, 18 outer gear rings, 19 Fixed plate, 20 T-type pull rods, 21 second springs, 22 limit plates.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment one
Referring to Fig.1-4, a kind of hydraulic elongator having limit function, including mounting cup 3, lower rotation in mounting cup 3 It is connected with screw rod 4, the lower end of screw rod 4 is connected with bull stick, and the lower end of bull stick runs through the bottom of mounting cup 3 and is connected with rolled round 1, turns Outer gear ring 18 is arranged on bar, the two sides of outer gear ring 18 are all provided with limited position mechanism, and position-limit mechanism includes being fixedly connected on mounting cup 3 The fixed plate 19 of bottom, side of the fixed plate 19 far from outer gear ring 18 are connected with T-type pull rod 20, T by multiple second springs 21 The end of type pull rod 20 is through fixed plate 19 and is connected with limit plate 22, and limit plate 22 is rectangular slab, to save material, drops Low cost, limit plate 22 are fixedly connected with limiting tooth corresponding with outer gear ring 18 far from the side of T-type pull rod 20, pass through pulling T-type pull rod 20, T-type pull rod 20 is mobile to drive limit plate 22 mobile, and limit plate 22 is mobile to drive limiting tooth and outer gear ring 18 to carry out Engagement, so that the position of bull stick is fixed.
The upper end of screw rod 4 runs through the top of mounting cup 3 and is threaded with slide 5, and the two sides of slide 5 are equipped with mounting blocks 2, the two sides of slide 5 are fixedly connected to multiple third sliding blocks, and it is sliding that third corresponding with third sliding block is offered on mounting blocks 2 Slot, mounting blocks 2 are connected with connecting plate 15 by multiple telescopic rods 14 close to the side of mounting cup 3, and the is arranged on telescopic rod 14 Three springs, the both ends of third spring are connect with mounting blocks 2 and connecting plate 15 respectively, pass through clamping mechanism and installation on connecting plate 15 3 connection of cover, clamping mechanism includes two symmetrically arranged snap-gauges 16, and two opposite sides of snap-gauge 16 are fixedly connected to first Sliding block offers first sliding groove corresponding with the first sliding block on connecting plate 15, multiple first bullets is connected between two snap-gauges 16 Spring 17 offers card slot corresponding with snap-gauge 16 on mounting cup 3.
The upside of slide 5 is equipped with top plate 6, and the bottom of top plate 6 is fixedly connected with the first magnet, and the upside of slide 5 is fixed to be connected It is connected to the second magnet, the downside of top plate 6 is fixedly connected there are two symmetrically arranged support rod 7, is offered and is supported in mounting blocks 2 The corresponding loose slot of bar 7, bottom is fixedly connected with lifting cover 10 in loose slot, passes through elevating mechanism and support rod in lifting cover 10 7 connections, elevating mechanism includes the piston 11 being slidably and sealingly connected in lifting cover 10, and the upper end of piston 11 is fixedly connected with strut 12, the upper end of strut 12 runs through the top of lifting cover 10 and is connected with push plate 13, the upside of push plate 13 and the fixed company of support rod 7 It connects, the two sides of support rod 7 are fixedly connected to multiple second sliding blocks, and corresponding with the second sliding block is offered on loose slot inner wall Two sliding slots.
The side of mounting blocks 2 is fixedly connected with hydraulic pump 8, and oil-feed tank, the output end of hydraulic pump 8 are offered in mounting blocks 2 Through oil-feed tank and it is connected with oil inlet pipe 9, oil inlet pipe 9 sequentially passes through movable trench bottom and lifting cover far from one end of hydraulic pump 8 10 bottom simultaneously extends into lifting cover 10.
Embodiment two
Referring to Fig.1-4, a kind of hydraulic elongator having limit function, including mounting cup 3, lower rotation in mounting cup 3 It is connected with screw rod 4, the lower end of screw rod 4 is connected with bull stick, and the lower end of bull stick runs through the bottom of mounting cup 3 and is connected with rolled round 1, turns Outer gear ring 18 is arranged on bar, the two sides of outer gear ring 18 are all provided with limited position mechanism, and position-limit mechanism includes being fixedly connected on mounting cup 3 The fixed plate 19 of bottom, side of the fixed plate 19 far from outer gear ring 18 are connected with T-type pull rod 20, T by multiple second springs 21 The end of type pull rod 20 is through fixed plate 19 and is connected with limit plate 22, and limit plate 22 is arc panel, to increase contact surface Product, so that limit plate 22 and engaging for outer gear ring 18 are more firm, limit plate 22 is fixedly connected with far from the side of T-type pull rod 20 Limiting tooth corresponding with outer gear ring 18, by pulling T-type pull rod 20, T-type pull rod 20 is mobile to drive limit plate 22 mobile, limit plate 22 mobile drive limiting tooths are engaged with outer gear ring 18, so that the position of bull stick is fixed.
The upper end of screw rod 4 runs through the top of mounting cup 3 and is threaded with slide 5, and the two sides of slide 5 are equipped with mounting blocks 2, the two sides of slide 5 are fixedly connected to multiple third sliding blocks, and it is sliding that third corresponding with third sliding block is offered on mounting blocks 2 Slot, mounting blocks 2 are connected with connecting plate 15 by multiple telescopic rods 14 close to the side of mounting cup 3, and the is arranged on telescopic rod 14 Three springs, the both ends of third spring are connect with mounting blocks 2 and connecting plate 15 respectively, pass through clamping mechanism and installation on connecting plate 15 3 connection of cover, clamping mechanism includes two symmetrically arranged snap-gauges 16, and two opposite sides of snap-gauge 16 are fixedly connected to first Sliding block offers first sliding groove corresponding with the first sliding block on connecting plate 15, multiple first bullets is connected between two snap-gauges 16 Spring 17 offers card slot corresponding with snap-gauge 16 on mounting cup 3.
The upside of slide 5 is equipped with top plate 6, and the bottom of top plate 6 is fixedly connected with the first magnet, and the upside of slide 5 is fixed to be connected It is connected to the second magnet, the downside of top plate 6 is fixedly connected there are two symmetrically arranged support rod 7, is offered and is supported in mounting blocks 2 The corresponding loose slot of bar 7, bottom is fixedly connected with lifting cover 10 in loose slot, passes through elevating mechanism and support rod in lifting cover 10 7 connections, elevating mechanism includes the piston 11 being slidably and sealingly connected in lifting cover 10, and the upper end of piston 11 is fixedly connected with strut 12, the upper end of strut 12 runs through the top of lifting cover 10 and is connected with push plate 13, the upside of push plate 13 and the fixed company of support rod 7 It connects, the two sides of support rod 7 are fixedly connected to multiple second sliding blocks, and corresponding with the second sliding block is offered on loose slot inner wall Two sliding slots.
The side of mounting blocks 2 is fixedly connected with hydraulic pump 8, and oil-feed tank, the output end of hydraulic pump 8 are offered in mounting blocks 2 Through oil-feed tank and it is connected with oil inlet pipe 9, oil inlet pipe 9 sequentially passes through movable trench bottom and lifting cover far from one end of hydraulic pump 8 10 bottom simultaneously extends into lifting cover 10.
In the utility model, hydraulic pump 8 is to carry out oiling inside lifting cover 10 by oil inlet pipe 9, at this time liquid level elevated band Piston 11 is mobile, and piston 11 is mobile to drive strut 12 mobile, and strut 12 is mobile to drive push plate 13 mobile, and push plate 13 is mobile to be driven Support rod 7 is mobile, and support rod 7 is mobile to drive top plate 6 mobile, so as to stretch to top plate 6, passes through rotation rolled round 1 at this time, The rotation of rolled round 1 drives screw rod 4 to rotate, and the rotation of screw rod 4 drives slide 5 mobile, and slide 5 is mobile to drive the second magnet and first Magnet attracts each other, at this time by the position of top plate 6 to fixing, at this time by pulling T-type pull rod 20, the mobile band of T-type pull rod 20 Dynamic limit plate 22 is mobile, and limit plate 22 is mobile to drive limiting tooth to be engaged with outer gear ring 18, so that the position quilt of bull stick It fixes, so that the position of top plate 6 is fixed, by pulling the first sliding block, the first sliding block is mobile to drive snap-gauge 16 Mobile, snap-gauge 16 is mobile to inject snap-gauge 16 in card slot so as to facilitate, so that convenient disassemble and install mounting cup 3.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of hydraulic elongator for having limit function, including mounting cup (3), which is characterized in that the interior bottom of the mounting cup (3) Portion is rotatably connected to screw rod (4), and the lower end of the screw rod (4) is connected with bull stick, and the lower end of the bull stick is through mounting cup (3) Bottom is simultaneously connected with rolled round (1), is arranged on the bull stick outer gear ring (18), and the two sides of the outer gear ring (18) are equipped with limit Mechanism, the upper end of the screw rod (4) are run through the top of mounting cup (3) and are threaded with slide (5), the two of the slide (5) Side is equipped with mounting blocks (2), and the two sides of the slide (5) are fixedly connected to multiple third sliding blocks, is opened on the mounting blocks (2) Equipped with third sliding slot corresponding with third sliding block, the mounting blocks (2) pass through multiple telescopic rods close to the side of mounting cup (3) (14) it is connected with connecting plate (15), is connect by clamping mechanism with mounting cup (3) on the connecting plate (15), the slide (5) Upside be equipped with top plate (6), be fixedly connected with that there are two symmetrically arranged support rod (7), the installations on the downside of the top plate (6) Loose slot corresponding with support rod (7) is offered in block (2), bottom is fixedly connected with lifting cover (10), institute in the loose slot It states in lifting cover (10) and is connect by elevating mechanism with support rod (7), the side of the mounting blocks (2) is fixedly connected with hydraulic pump (8), oil-feed tank is offered in the mounting blocks (2), the output end of the hydraulic pump (8) through oil-feed tank and is connected with oil inlet pipe (9), the oil inlet pipe (9) far from hydraulic pump (8) one end sequentially pass through movable trench bottom and lifting cover (10) bottom and to Extend in lifting cover (10).
2. a kind of hydraulic elongator for having limit function according to claim 1, which is characterized in that the position-limit mechanism Fixed plate (19) including being fixedly connected on mounting cup (3) bottom, side of the fixed plate (19) far from outer gear ring (18) are logical It crosses multiple second springs (21) to be connected with T-type pull rod (20), the end of the T-type pull rod (20) through fixed plate (19) and connects Have limit plate (22), the limit plate (22) is fixedly connected with corresponding with outer gear ring (18) far from the side of T-type pull rod (20) Limiting tooth.
3. a kind of hydraulic elongator for having limit function according to claim 1, which is characterized in that the clamping mechanism Including two symmetrically arranged snap-gauges (16), two opposite sides of the snap-gauge (16) are fixedly connected to the first sliding block, institute It states and offers first sliding groove corresponding with the first sliding block on connecting plate (15), multiple are connected between two snap-gauges (16) One spring (17) offers card slot corresponding with snap-gauge (16) on the mounting cup (3).
4. a kind of hydraulic elongator for having limit function according to claim 1, which is characterized in that the elevating mechanism Including the piston (11) being slidably and sealingly connected in lifting cover (10), the upper end of the piston (11) is fixedly connected with strut (12), the upper end of the strut (12) through lifting cover (10) top and be connected with push plate (13), the push plate (13) it is upper Side is fixedly connected with support rod (7), and the two sides of the support rod (7) are fixedly connected to multiple second sliding blocks, the loose slot Second sliding slot corresponding with the second sliding block is offered on inner wall.
5. a kind of hydraulic elongator for having limit function according to claim 1, which is characterized in that the telescopic rod (14) third spring is arranged on, the both ends of the third spring are connect with mounting blocks (2) and connecting plate (15) respectively.
6. a kind of hydraulic elongator for having limit function according to claim 1, which is characterized in that the top plate (6) Bottom be fixedly connected with the first magnet, be fixedly connected with the second magnet on the upside of the slide (5).
CN201820552290.4U 2018-04-18 2018-04-18 A kind of hydraulic elongator having limit function Expired - Fee Related CN208322643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820552290.4U CN208322643U (en) 2018-04-18 2018-04-18 A kind of hydraulic elongator having limit function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820552290.4U CN208322643U (en) 2018-04-18 2018-04-18 A kind of hydraulic elongator having limit function

Publications (1)

Publication Number Publication Date
CN208322643U true CN208322643U (en) 2019-01-04

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Family Applications (1)

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CN201820552290.4U Expired - Fee Related CN208322643U (en) 2018-04-18 2018-04-18 A kind of hydraulic elongator having limit function

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067398A (en) * 2019-04-30 2019-07-30 湖南六建装饰设计工程有限责任公司 A kind of fitting-up Multifunctional scraper knife and its method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067398A (en) * 2019-04-30 2019-07-30 湖南六建装饰设计工程有限责任公司 A kind of fitting-up Multifunctional scraper knife and its method

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GR01 Patent grant
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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: 20190104

Termination date: 20200418