CN204621504U - A kind of hydraulic pressure pin inserting-drawing mechanism - Google Patents
A kind of hydraulic pressure pin inserting-drawing mechanism Download PDFInfo
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- CN204621504U CN204621504U CN201520237520.4U CN201520237520U CN204621504U CN 204621504 U CN204621504 U CN 204621504U CN 201520237520 U CN201520237520 U CN 201520237520U CN 204621504 U CN204621504 U CN 204621504U
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Abstract
The utility model describes a kind of hydraulic pressure pin inserting-drawing mechanism, is applicable to installation and the dismounting of multiple large the bearing pin of gantry crane, it is characterized in that: base, hydraulic jack, stator, connecting rod, three contiguous blocks and adapter sleeve; Base is fixedly connected with the bearing pin support of large part bearing pin by bolt of lower base, hydraulic jack is fixed on base for fitted bolt by stator, connecting rod comprises long whorl brace rod and short thread connecting rod, be connected with adapter sleeve by contiguous block between length whorl brace rod, connecting rod two ends connect the grooved piston bar of large part bearing pin and hydraulic jack respectively, make large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar on the same axis; This mechanism operation is convenient, and can use the existing power source of crane self, work that just can be more steady, safe under not needing additionally to provide power source situation.
Description
Technical field
The utility model relates to the technical field of installation and removal bearing pin, and particularly a kind of multiple large bearing pin of gantry crane that be applicable to is installed and the hydraulic pressure pin inserting-drawing mechanism removed.
Background technology
Current existing MYQ type 5000t gantry crane section components passes through pinned connection, wherein part bearing pin volume is large, weight is large, installing connection bearing pin relies on common manpower and common tool to install usually, this installation method has following shortcoming and defect: 1. gantry crane assembling parts is in high-altitude mostly, bearing pin connects difficulty in high-altitude large, and the plant that need coordinate during group pair is more; 2. use common tool to knock pin installation to damage pin body; 3. when bearing pin is installed, mostly overhead high, surrounding is without reliable labour protection, and personnel and Work tool exist the risk of high falling; 4. bearing pin installation site narrow space or erect-position be not installed cause that installation period is long, efficiency is low.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of multiple large bearing pin of gantry crane that be applicable to and installs and the hydraulic pressure pin inserting-drawing mechanism removed, this mechanism operation is convenient, and the existing power source of crane self can be used, work that just can be more steady, safe under not needing additionally to provide power source situation.
In order to realize the object solved the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of hydraulic pressure pin inserting-drawing mechanism of the present utility model, is applicable to installation and the dismounting of multiple large the bearing pin of gantry crane, it is characterized in that: comprise base, hydraulic jack, stator, connecting rod, three contiguous blocks and adapter sleeve;
Described base is provided with multiple bolt of lower base, for being fixedly connected with by the bearing pin support of base with large part bearing pin;
Described stator is the U-shaped sheet metal that two ends are provided with through hole, for fitted bolt, hydraulic jack is fixed on base;
Described hydraulic jack comprises grooved piston bar, conversion valve block, hydraulic control one-way valve; Grooved piston bar front end is provided with expansion-head, and expansion-head is provided with the groove that can hold contiguous block, realizes grooved piston bar be connected with the cassette of whorl brace rod by groove; The control of this hydraulic jack and the power source of use can take gantry crane work hydraulic control circuit used itself; Conversion valve block is arranged on hydraulic control circuit, and conversion valve block is provided with action bars, is realized the two-way function of grooved piston bar by action bars; What hydraulic control one-way valve was arranged on hydraulic jack stretches cylinder and contracting cylinder hydraulic fluid port, provides hydraulic locking function when hydraulic jack does not work;
Described contiguous block is the rectangular block being provided with tapped through hole;
Described adapter sleeve is the cylindrical structural that side is provided with U-type groove, and this U-type groove is provided with rectangular recess;
Described connecting rod comprises long whorl brace rod and short thread connecting rod; One end of long whorl brace rod connects large part bearing pin, and the other end connects contiguous block one; The two ends of short thread connecting rod connect contiguous block two and contiguous block three respectively; Contiguous block one on long whorl brace rod and the contiguous block two of short thread connecting rod are all arranged in the rectangular recess of adapter sleeve, the contiguous block three of short thread connecting rod is arranged in the groove of grooved piston bar, makes large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar on the same axis.
Concrete: the loculus hydraulic fluid port of described hydraulic jack arranges safety valve for avoiding pressure-overload, the size of this loculus hydraulic fluid port can meet the traffic requirement under corresponding lifting and fall velocity.
Concrete: described hydraulic jack is provided with joint, and this joint and hydraulic power station hydraulic oil pipe joint match.This is the power in order to make this hydraulic pressure pin inserting-drawing mechanism that gantry crane hydraulic power station can not only be used to provide, and the power that portable hydraulic power station also can be used to provide, realizes the application target under various working environments.
Concrete: described long and short whorl brace rod is the round bar that two ends are provided with thread segment.
Concrete: when connecting the contiguous block two of contiguous block one on long whorl brace rod and short thread connecting rod, adapter sleeve slot opening side is down with Anti-fall.
Concrete: the intensity of described grooved piston bar can be born because large part bearing pin and pin shaft hole hole do not overlap the extra load produced.
Using method: during use, is fixed on base by hydraulic jack by stator on the ground, and contiguous block is installed in one end of long whorl brace rod, and contiguous block is all installed in the two ends of short thread connecting rod; Using crane to coordinate is fixed on bearing pin support on by the bolt of lower base on base by this mechanism by this hydraulic pressure pin inserting-drawing mechanism; Hydraulic jack and crane itself are worked hydraulic control circuit used or portable hydraulic power station is connected by oil pipe.
Bolt axle process: first the other end of long whorl brace rod is installed large part bearing pin, then the contiguous block of one end of short thread connecting rod is arranged in the groove of grooved piston bar, contiguous block on the contiguous block of the other end of short thread connecting rod and long whorl brace rod is put into the rectangular recess of adapter sleeve, make large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar on same axis direction and this bearing pin alignment pin axis hole; Then start power source hydraulic power bag, what realize this hydraulic pressure pin inserting-drawing mechanism by the reversal valve of hydraulic control oil cylinder stretches cylinder working, completes the installation of bearing pin; Then take off adapter sleeve, first cooperation crane unloads the hydraulic pressure pin inserting-drawing mechanism with short thread connecting rod, then takes off the long whorl brace rod with large part pinned connection.
To pull pin axle process: first the other end of long whorl brace rod is arranged on the large part bearing pin that needs to extract, then the contiguous block of one end of short thread connecting rod is arranged in the groove of grooved piston bar, contiguous block on the contiguous block of the other end of short thread connecting rod and long whorl brace rod is put into the rectangular recess of adapter sleeve, make large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar on same axis direction; Then start power source hydraulic power bag, realized the contracting cylinder working of this hydraulic pressure pin inserting-drawing mechanism by the reversal valve of hydraulic control oil cylinder, complete unloading of bearing pin; Then take off adapter sleeve, first take off long whorl brace rod, then cooperation crane unloads the hydraulic pressure pin inserting-drawing mechanism with short thread connecting rod.
These technical schemes, the technical scheme comprising improvement and the technical scheme improved further also can combine mutually or combine, thus reach better technique effect.
By adopting technique scheme, the utility model has following beneficial effect:
1, to have volume little, lightweight for a kind of hydraulic pressure pin inserting-drawing mechanism of the present utility model, and structural configuration is convenient, flexible;
2, the motional inertia of this hydraulic pressure pin inserting-drawing mechanism is little, and reaction speed is fast, is easy to realize rectilinear motion;
3, this hydraulic pressure pin inserting-drawing mechanism maneuvering and control (starting, braking, commutation etc.) is convenient, can realize bidirectional-movement fast;
4, the hydraulic power supply that has of this hydraulic pressure pin inserting-drawing mechanism selects multifarious advantage, can realize the object of the use in multiple situation;
5, this hydraulic pressure pin inserting-drawing mechanism connects long and short whorl brace rod by adapter sleeve, and the power of hydraulic jack to the transmission of large part bearing pin is had " flexibility ", and protection bearing pin is not damaged.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of base.
Fig. 3 is the structural representation of hydraulic jack.
Fig. 4 is the structural representation that long whorl brace rod is connected with contiguous block.
Fig. 5 is the structural representation of adapter sleeve.
In figure: 1-base, 2-hydraulic jack, 3-grooved piston bar, 4-connecting rod, 5-adapter sleeve, 6-stator, 7-bolt of lower base, 8-contiguous block.
Detailed description of the invention
Below in conjunction with accompanying drawing, further explanation is explained to this patent.But the protection domain of this patent is not limited to concrete embodiment.
Embodiment 1
As shown in the figure, a kind of hydraulic pressure pin inserting-drawing mechanism of this patent, is applicable to installation and the dismounting of multiple large the bearing pin of gantry crane, it is characterized in that: comprise base 1, bolt of lower base 7, hydraulic jack 2, stator 6, connecting rod 4, contiguous block 8 and adapter sleeve 5; Base 1 is provided with multiple bolt of lower base 7, and described bolt of lower base 7 is for being fixedly connected with the bearing pin support of large part bearing pin; Stator 6 is provided with the U-shaped sheet metal of through hole for two ends; Hydraulic jack 2 is fixed on base 1 by stator 6 fitted bolt.
Hydraulic jack 2 comprises grooved piston bar 3, and the intensity of this grooved piston bar 3 can be born because large part bearing pin and pin shaft hole hole do not overlap the extra load produced; The control of this hydraulic jack 2 and the power source of use can take gantry crane work hydraulic control circuit used itself; This hydraulic jack 2 can realize the two-way function of grooved piston bar 3 by the action bars manually on reversing valve operated piece; The cylinder of stretching of this hydraulic jack 2 is provided with hydraulic control one-way valve with contracting cylinder hydraulic fluid port, provides hydraulic locking function when hydraulic jack 2 does not work; The loculus hydraulic fluid port of this hydraulic jack 2 arranges safety valve for avoiding pressure-overload, and the size of this loculus hydraulic fluid port can meet the traffic requirement under corresponding lifting and fall velocity; This hydraulic jack 2 is also provided with joint, and this joint and hydraulic power station hydraulic oil pipe joint match; This is the power in order to make this hydraulic pressure pin inserting-drawing mechanism that gantry crane hydraulic power station can not only be used to provide, and the power that portable hydraulic power station also can be used to provide, realizes the application target under various working environments.
Contiguous block 8 is for being provided with the rectangular block of tapped through hole; Adapter sleeve 5 is provided with the cylindrical structural of U-type groove for side, and this U-type groove is provided with rectangular recess; Connecting rod 4 comprises long whorl brace rod and short thread connecting rod; One end of long whorl brace rod connects large part bearing pin, and the other end connects a contiguous block 8; The two ends of short thread connecting rod connect a contiguous block 8 respectively; The contiguous block 8 of the contiguous block 8 on long whorl brace rod and short thread connecting rod one end is all arranged in the rectangular recess of adapter sleeve 5, the contiguous block 8 of the short thread connecting rod other end is arranged in the groove of grooved piston bar 3, makes large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar 3 on the same axis; Wherein, long and short whorl brace rod is the round bar that two ends are provided with thread segment.
During use, be fixed on base 1 on the ground, contiguous block 8 is installed in one end of long whorl brace rod by hydraulic jack 2 by stator 6, contiguous block 8 is all installed at the two ends of short thread connecting rod; Using crane to coordinate is fixed on bearing pin support on by the bolt of lower base 7 on base 1 by this mechanism by this hydraulic pressure pin inserting-drawing mechanism; Hydraulic jack 2 and crane itself are worked hydraulic control circuit used or portable hydraulic power station is connected by oil pipe.
Bolt axle process: first the other end of long whorl brace rod is installed large part bearing pin, then the contiguous block 8 of one end of short thread connecting rod is arranged in the groove of grooved piston bar 3, contiguous block 8 on the contiguous block 8 of the other end of short thread connecting rod and long whorl brace rod is put into the rectangular recess of adapter sleeve 5, make large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar 3 on same axis direction and this bearing pin alignment pin axis hole; Then start power source hydraulic power bag, what realize this hydraulic pressure pin inserting-drawing mechanism by the reversal valve of hydraulic control oil cylinder 2 stretches cylinder working, completes the installation of bearing pin; Then take off adapter sleeve 5, first cooperation crane unloads the hydraulic pressure pin inserting-drawing mechanism with short thread connecting rod, then takes off the long whorl brace rod with large part pinned connection.
To pull pin axle process: first the other end of long whorl brace rod is arranged on the large part bearing pin that needs to extract, then the contiguous block 8 of one end of short thread connecting rod is arranged in the groove of grooved piston bar 3, contiguous block 8 on the contiguous block 8 of the other end of short thread connecting rod and long whorl brace rod is put into the rectangular recess of adapter sleeve 5, make large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar 3 on same axis direction; Then start power source hydraulic power bag, realized the contracting cylinder working of this hydraulic pressure pin inserting-drawing mechanism by the reversal valve of hydraulic control oil cylinder 2, complete unloading of bearing pin; Then take off adapter sleeve 5, first take off long whorl brace rod, then cooperation crane unloads the hydraulic pressure pin inserting-drawing mechanism with short thread connecting rod.
Embodiment 2
With the structure of embodiment 1 with operate identical, plug the large part bearing pin of part of current existing MYQ type 5000t gantry crane, the technical parameter that hydraulic jack 2 is selected is: pressure classification is E16MPa, and cylinder diameter is 63mm, bar footpath is 32mm, and range is 400mm; The control of this hydraulic jack 2 and the power source of use take MYQ type 5000t gantry crane CY10 cylinder efficient hydraulic control circuit used.
Claims (6)
1. a hydraulic pressure pin inserting-drawing mechanism, is applicable to installation and the dismounting of multiple large the bearing pin of gantry crane, it is characterized in that: comprise base, hydraulic jack, stator, connecting rod, three contiguous blocks and adapter sleeve;
Described base is provided with multiple bolt of lower base, for being fixedly connected with by the bearing pin support of base with large part bearing pin;
Described stator is the U-shaped sheet metal that two ends are provided with through hole, for fitted bolt, hydraulic jack is fixed on base;
Described hydraulic jack comprises grooved piston bar, conversion valve block, hydraulic control one-way valve; Grooved piston bar front end is provided with expansion-head, and expansion-head is provided with the groove that can hold contiguous block, realizes grooved piston bar be connected with the cassette of whorl brace rod by groove; The control of this hydraulic jack and the power source of use can take gantry crane work hydraulic control circuit used itself; Conversion valve block is arranged on hydraulic control circuit, and conversion valve block is provided with action bars, is realized the two-way function of grooved piston bar by action bars; What hydraulic control one-way valve was arranged on hydraulic jack stretches cylinder and contracting cylinder hydraulic fluid port, provides hydraulic locking function when hydraulic jack does not work;
Described contiguous block is the rectangular block being provided with tapped through hole;
Described adapter sleeve is the cylindrical structural that side is provided with U-type groove, and this U-type groove is provided with rectangular recess;
Described connecting rod comprises long whorl brace rod and short thread connecting rod; One end of long whorl brace rod connects large part bearing pin, and the other end connects contiguous block one; The two ends of short thread connecting rod connect contiguous block two and contiguous block three respectively; Contiguous block one on long whorl brace rod and the contiguous block two of short thread connecting rod are all arranged in the rectangular recess of adapter sleeve, the contiguous block three of short thread connecting rod is arranged in the groove of grooved piston bar, makes large part bearing pin, long whorl brace rod, short thread connecting rod, grooved piston bar on the same axis.
2. hydraulic pressure pin inserting-drawing mechanism according to claim 1, is characterized in that: the loculus hydraulic fluid port of described hydraulic jack arranges safety valve for avoiding pressure-overload, and the size of this loculus hydraulic fluid port can meet the traffic requirement under corresponding lifting and fall velocity.
3. hydraulic pressure pin inserting-drawing mechanism according to claim 1, it is characterized in that: described hydraulic jack is provided with joint, this joint and hydraulic power station hydraulic oil pipe joint match.
4. hydraulic pressure pin inserting-drawing mechanism according to claim 1, is characterized in that: described long and short whorl brace rod is the round bar that two ends are provided with thread segment.
5. hydraulic pressure pin inserting-drawing mechanism according to claim 1, is characterized in that: when the contiguous block two of the contiguous block one connected on long whorl brace rod and short thread connecting rod, adapter sleeve slot opening side is down with Anti-fall.
6. hydraulic pressure pin inserting-drawing mechanism according to claim 1, is characterized in that: the intensity of described grooved piston bar can be born because large part bearing pin and pin shaft hole hole do not overlap the extra load produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237520.4U CN204621504U (en) | 2015-04-20 | 2015-04-20 | A kind of hydraulic pressure pin inserting-drawing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237520.4U CN204621504U (en) | 2015-04-20 | 2015-04-20 | A kind of hydraulic pressure pin inserting-drawing mechanism |
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| CN204621504U true CN204621504U (en) | 2015-09-09 |
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| CN201520237520.4U Active CN204621504U (en) | 2015-04-20 | 2015-04-20 | A kind of hydraulic pressure pin inserting-drawing mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263397A (en) * | 2017-07-21 | 2017-10-20 | 江苏集萃智能制造技术研究所有限公司 | A kind of disassembling bolts impactor |
| CN109746661A (en) * | 2019-03-14 | 2019-05-14 | 开滦(集团)有限责任公司技术中心 | Dress pin assembly is quickly pulled out suitable for hydraulic support |
| CN110253267A (en) * | 2019-07-23 | 2019-09-20 | 山东科技大学 | It is a kind of large size pin shaft detaching equipment and its application |
| CN111958540A (en) * | 2020-08-19 | 2020-11-20 | 张毅 | Conveniently adjust fixed connection round pin body that can quick replacement round pin head |
| CN114029719A (en) * | 2021-10-29 | 2022-02-11 | 山东省公路桥梁建设集团有限公司 | Hydraulic plug pin shaft device and using method thereof |
| CN114526310A (en) * | 2022-03-07 | 2022-05-24 | 中信机电制造公司科研设计院 | Pneumatic pin penetrating device |
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2015
- 2015-04-20 CN CN201520237520.4U patent/CN204621504U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263397A (en) * | 2017-07-21 | 2017-10-20 | 江苏集萃智能制造技术研究所有限公司 | A kind of disassembling bolts impactor |
| CN109746661A (en) * | 2019-03-14 | 2019-05-14 | 开滦(集团)有限责任公司技术中心 | Dress pin assembly is quickly pulled out suitable for hydraulic support |
| CN110253267A (en) * | 2019-07-23 | 2019-09-20 | 山东科技大学 | It is a kind of large size pin shaft detaching equipment and its application |
| CN110253267B (en) * | 2019-07-23 | 2024-03-22 | 山东科技大学 | Dismounting device for large pin shaft and application thereof |
| CN111958540A (en) * | 2020-08-19 | 2020-11-20 | 张毅 | Conveniently adjust fixed connection round pin body that can quick replacement round pin head |
| CN114029719A (en) * | 2021-10-29 | 2022-02-11 | 山东省公路桥梁建设集团有限公司 | Hydraulic plug pin shaft device and using method thereof |
| CN114029719B (en) * | 2021-10-29 | 2022-11-18 | 山东省公路桥梁建设集团有限公司 | Hydraulic plug pin shaft device and using method thereof |
| CN114526310A (en) * | 2022-03-07 | 2022-05-24 | 中信机电制造公司科研设计院 | Pneumatic pin penetrating device |
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