CN208322650U - The assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher - Google Patents
The assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher Download PDFInfo
- Publication number
- CN208322650U CN208322650U CN201820930744.7U CN201820930744U CN208322650U CN 208322650 U CN208322650 U CN 208322650U CN 201820930744 U CN201820930744 U CN 201820930744U CN 208322650 U CN208322650 U CN 208322650U
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- elevating lever
- assembling
- auxiliary device
- heavy
- screw thread
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Abstract
The utility model discloses a kind of assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher, including transiting rod, elevating lever, pallet, gasket and nut, transiting rod upper end is equipped with the matched external screw thread of internal thread hole with heavy bolt to be tensioned, transiting rod lower end is fixedly connected with elevating lever upper end, the middle part of elevating lever is equipped with and the matched external screw thread of nut, the pallet, gasket and nut are sequentially sleeved on elevating lever from top to bottom, pallet includes pedestal and turntable, turntable is by axis of rolling bearing sleeve in the hollow protruding shaft of pedestal, protruding shaft top is higher than turntable top surface, rotating nuts can make pallet move up and down along elevating lever；Turntable is realized by rolling bearing and is rotated forward or backwards relative to basetray.Bolt hydraulic stretcher can be carried out quickly, smoothly loading and unloading using the device, it is easy to operate, it occupies little space, it is time saving and energy saving particularly suitable for being used in narrow space, and can work continuously, securely and reliably, greatly improve working efficiency.
Description
Technical field
The utility model belongs to hydraulic elongator assembly field, and in particular to a kind of handling of heavy type bolt hydraulic stretcher
Auxiliary device.
Background technique
Hydraulic elongator is also known as bolt hydraulic stretcher, generally by hydraulic pump, high-pressure hose, pressure gauge and extrusion group
At hydraulic pump therein is power source, and pressure gauge reflects that the output pressure of hydraulic pump, high-pressure hose couple hydraulic pump and stretching
Body, extrusion are to realize the executive component of bolt tension.When work, stretching nut in extrusion and the bolt group for being applied power
At thread connection, the bolt for being applied power is set to be elongated institute in its regime of elastic deformation using the expansion force that hydraulic pump generates
It is required that deflection then pre-tightened or dismantled operation so that nut be made to be easy to loosen, finally by hydraulic coupling or machinery
The mode of return makes the bolt for being applied power be returned to original shape, fulfils assignment.
Currently, the preload of the medium and heavy bolt of waterpower hydroelectric project, stretching are completed by hydraulic elongator.Due to weight
Hydraulic elongator heavier-weight, generally 50-100Kg used in type bolt, and the installation of hydraulic elongator, disassembly are all to pass through people
Work directly operates, so usually relying on the strength of single operating worker can not directly install hydraulic elongator in place.Especially
When loading and unloading hydraulic elongator in narrow working space, security risk is big, spends the time long, it usually needs 30-50 minutes, to cause
Operation labor intensity is big, duration is poor, not only time-consuming, labour-consuming, but also cannot be guaranteed safety work and construction quality.
Utility model content
In view of the above technical problems, the purpose of the utility model is to provide a kind of handling of heavy bolt hydraulic stretcher are auxiliary
Device is helped, which can quickly, steadily and accurately install heavy bolt hydraulic stretcher, dismantle, and it is not only easy to operate,
And it is time saving and energy saving, safe and reliable.
The assembling and disassembling auxiliary device of the heavy bolt hydraulic stretcher of the utility model, including transiting rod 1, elevating lever 2, pallet
3, gasket 4 and nut 5,1 upper end of transiting rod are equipped with the matched external screw thread of internal thread hole with heavy bolt 8 to be tensioned, under
End is fixedly connected with 2 upper end of elevating lever, and the middle part of elevating lever 2 is equipped with and the matched external screw thread of nut 5, the pallet 3, gasket 4
It is sequentially sleeved on elevating lever 2 from top to bottom with nut 5, the pallet 3 includes pedestal 32 and turntable 31, and turntable 31 passes through the axis of rolling
33 sets are held in the hollow protruding shaft of pedestal 32, protruding shaft top is higher than the top surface of turntable 31.
Further, the mode that 1 lower end of transiting rod and 2 upper end of elevating lever are fixedly connected includes being detachably fixed to connect and not
It is detachably fixed connection, being detachably fixed connection includes being threadedly coupled, non-dismountable to be fixedly connected including welding and integral type casting
Make connection.It is preferably detachably fixed connection, this connection type can select tool for different heavy bolts 8 to be tensioned
There are the different externally threaded transiting rods in top to be replaced, without being detachably fixed connection to different heavy 8, bolts to be tensioned
Different transiting rod and elevating lever can be selected simultaneously.
The threaded connection can be 1 bottom end of transiting rod setting internal thread hole, and matched outer spiral shell is arranged in 2 upper end of elevating lever
Line is also possible to 1 bottom end of transiting rod setting external screw thread, and matched internal thread hole is arranged in 2 upper end of elevating lever.A reality of the invention
Example is applied using first way.
When installing heavy bolt hydraulic stretcher using above-mentioned auxiliary device, first by transiting rod 1 and heavy bolt 8 to be tensioned
It is threadedly coupled, then transiting rod 1 is fixedly connected with elevating lever 2, this step can be omitted if the two is non-dismountable is fixedly connected
Suddenly.Then the extrusion of hydraulic elongator 6 is placed on the turntable 31 of pallet 3, the protruding shaft top that basetray is higher by is protruded into
In extrusion 6, position-limiting action is played, to prevent its offset, holding basetray makes 2 lower end of elevating lever penetrate extrusion 6 and support
In 3 protruding shaft of disk, and then gasket 4, nut 5 are sequentially mounted on elevating lever 2 from bottom to top, it can using spanner rotating nuts 5
Upward linear motion is done along elevating lever 2 to realize that pallet 3 holds extrusion 6.Until extrusion 6 is increased to be adjacent to heavy bolt
When 8 lower end surface, the turntable 31 of rotary-tray 3 is flexibly connected composition screw thread between hydraulic tensioning body 6 and heavy bolt 8, simultaneously
Continue rotating nuts 5 and is adjacent to heavy 9 outside of bolt and nut so that by the rotation of extrusion 6 to operating position, i.e., extrusion 6 rotates
Hydraulic elongator support sleeve 7 and gapless complete the installation of hydraulic elongator 6 at this time.
When hydraulic elongator needs to dismantle, first rotating nuts 5 are to realize that pallet 3 is ramped up along 2 external screw thread of elevating lever
Up to it is adjacent to hydraulic elongator bottom；Then, with hand reversely rotate pallet 3 turntable 31 move, while reversely rotate nut 5 with
Realize that pallet 3 is held extrusion 6 and moved downward along 2 external screw thread of elevating lever, to make extrusion 6 and hydraulic elongator support sleeve
7 disengage and simultaneously decline, until hydraulic elongator exits heavy bolt 8, and with heavy 8 bottom of bolt there are certain safe distance,
The disassembly of hydraulic elongator 6 is completed at this time.
Further, 2 bottom end of elevating lever is equipped with square boss.The design of boss is further facilitated to be acted on by spanner
In boss to realize that elevating lever 2 rotates.
The assembling and disassembling auxiliary device of above-mentioned heavy type bolt hydraulic stretcher, the preferably described nut 5 are hex nut.
It is preferred that the gasket 4 is circle flat shim.
It is preferred that the external screw thread of 1 upper end of transiting rod is M10 or M12 or M16.
It is preferred that 1 bottom end internal thread hole screw thread of transiting rod is M20.
The utility model has the beneficial effects that: the auxiliary device building block is few, occupy little space, is suitble in narrow sky
Interior quickly and smoothly to install, dismantle heavy bolt hydraulic stretcher, being particularly suitable for manual type can not be mounted directly, tear open
In the environment unloaded.The lifting that hydraulic elongator is realized by spanner rotating nuts 5 passes through turning for manual operation rotary-tray 3
Disk 31 rotates hydraulic elongator simply, easily to realize that hydraulic elongator rotates forward or backwards relative to basetray
Installation or rotation disassembly, it is not only easy to operate, time saving and energy saving, but also can work continuously, securely and reliably, significantly reduce work
The labor intensity and security risk of industry personnel, has doubled up working efficiency.For example, for the peace of same hydraulic elongator
Dress, is usually required 30-50 minutes using traditional work mode, and after using the utility model operation, the set-up time is usually only needed
10-15 minutes are wanted, and can be worked continuously, equipment loss is also low.
Detailed description of the invention
Fig. 1 is the assembling and disassembling auxiliary device scheme of installation of the utility model heavy type bolt hydraulic stretcher；
Fig. 2 is the tray structure diagram of the assembling and disassembling auxiliary device of the utility model heavy type bolt hydraulic stretcher；
Fig. 3 is the transiting rod structural schematic diagram of the assembling and disassembling auxiliary device of the utility model heavy type bolt hydraulic stretcher；
Fig. 4 is the elevating lever boss sectional view of the assembling and disassembling auxiliary device of the utility model heavy type bolt hydraulic stretcher；
1- transiting rod；2- elevating lever；3- pallet；4- gasket；5- nut；6- extrusion；7- hydraulic elongator support sleeve；8-
Heavy bolt；9- heavy type bolt and nut；31- turntable；32- pedestal；33- rolling bearing.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically
The utility model is described in detail in embodiment.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model is not used to limit the utility model.
With reference to Fig. 1~4, it is a kind of heavy type bolt hydraulic stretcher assembling and disassembling auxiliary device, including transiting rod 1, elevating lever 2,
Pallet 3, gasket 4, nut 5,2 lower end of elevating lever are equipped with square protrusions, so that reinforcing is acted on boss with reality by spanner
Existing elevating lever 2 rotates, and 2 upper external screw thread of elevating lever is installed in 1 lower end internal thread hole of transiting rod, outside 2 upper end of elevating lever
Screw thread and 1 lower end internal screw thread of transiting rod are M20.The 1 lower end internal thread hole of transiting rod and 2 upper external screw thread phase of elevating lever
Mutually cooperation, 1 upper end of transiting rod are equipped with the external screw thread with heavy 8 internal thread hole of bolt cooperation to be tensioned, and the transiting rod 1 can
According to the needs of 8 internal thread hole of heavy bolt to be tensioned, the external screw thread of end is M10 or M12 or M16 thereon.The pallet 3,
Gasket 4, nut 5 are sequentially arranged in from top to bottom on the elevating lever, and pallet 3 may be implemented along lifting by rotating nuts 5
2 external screw thread of bar does linear motion up and down, and the nut is hex nut, and the gasket is circle flat shim.The pallet 3 includes turning
Disk 31, pedestal 32, rolling bearing 33, plane is lower than 32 top end face of pedestal, 32 top end face the raised area of pedestal on the turntable 31
It is positioned in extrusion 6 for protruding into hydraulic elongator, to prevent its offset, the turntable 31 realizes phase by rolling bearing 33
The pedestal 32 of pallet is rotated forward or backwards.
When carrying out the installation exercise of heavy bolt hydraulic stretcher using the utility model, as shown in Figure 1.
Firstly, 1 upper end external screw thread of transiting rod is installed in the internal thread hole of heavy 8 lower end surface of bolt.Pass through spanner
So that reinforcing is acted on 2 lower end boss of elevating lever to realize that elevating lever 2 rotates, 2 upper external screw thread of elevating lever is installed on transiting rod 1
In the internal thread hole of lower end.
Then, hydraulic elongator is placed on the turntable 31 of pallet 3,32 top end face of pedestal is higher by planar portions on turntable 31
Divide and falling stop blocking effect is played to hydraulic elongator, to prevent its offset, the pedestal 32 for lifting pallet 3 wears 2 lower end of elevating lever
Enter in hydraulic elongator and pallet 3, gasket 4, nut 5 is and then mounted on 2 lower end of elevating lever, using spanner rotating nuts 5
Pallet 3 may be implemented and do upward linear motion along 2 external screw thread of elevating lever.
Finally, when hydraulic elongator is increased to be adjacent to heavy 8 lower end surface of bolt by the nut 5 of 3 bottom of rotary-tray,
The turntable 31 for rotating pallet 3 by hand moves, and is flexibly connected composition screw thread between hydraulic elongator extrusion and heavy bolt 8,
Use spanner rotating nuts 5 simultaneously to realize that pallet 3 does upward linear motion along 2 external screw thread of elevating lever, it so just will be hydraulic
Stretcher extrusion is rotated to operating position, i.e., the hydraulic elongator that extrusion rotation is adjacent to heavy 9 outside of bolt and nut supports
Set 7 and gapless complete the installation of hydraulic elongator at this time.
When hydraulic elongator needs to dismantle, spanner rotating nuts 5 are first passed through to realize pallet 3 along the outer spiral shell of elevating lever 2
Line is ramped up to being adjacent to hydraulic elongator bottom；Then, it is moved with the turntable 31 that hand reversely rotates pallet 3, is used simultaneously
Spanner reversely rotates nut 5 to realize that pallet 3 does downward linear motion along 2 external screw thread of elevating lever, to make hydraulic elongator
Extrusion 6 and hydraulic elongator support sleeve 7 disengage and decline, until extrusion 6 exits heavy bolt 8, and with heavy 8 bottom of bolt
There are certain safe distances in portion, complete the disassembly of hydraulic elongator at this time.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
It is within the protection scope of the utility model.
Claims (9)
1. a kind of assembling and disassembling auxiliary device of heavy type bolt hydraulic stretcher, which is characterized in that including transiting rod (1), elevating lever
(2), pallet (3), gasket (4) and nut (5), the upper end of transiting rod (1) are equipped with the internal thread hole with heavy bolt (8) to be tensioned
The lower end of matched external screw thread, transiting rod (1) is fixedly connected with elevating lever (2) upper end, and the middle part of elevating lever (2) is equipped with and nut
(5) matched external screw thread, the pallet (3), gasket (4) and nut (5) are sequentially sleeved in from top to bottom on elevating lever (2), described
Pallet (3) includes pedestal (32) and turntable (31), and turntable (31) covers the hollow protruding shaft in pedestal (32) by rolling bearing (33)
On, protruding shaft top is higher than the top surface of turntable (31).
2. the assembling and disassembling auxiliary device of heavy type bolt hydraulic stretcher according to claim 1, which is characterized in that transiting rod
(1) mode that lower end and elevating lever (2) upper end are fixedly connected include be detachably fixed connect and it is non-dismountable be fixedly connected, it is removable
It unloads and is fixedly connected including being threadedly coupled, non-dismountable be fixedly connected connects including welding with integral cast.
3. the assembling and disassembling auxiliary device of heavy type bolt hydraulic stretcher according to claim 2, which is characterized in that the screw thread
Connection is transiting rod (1) bottom end setting internal thread hole, and elevating lever (2) upper end is arranged matched external screw thread and is attached.
4. the assembling and disassembling auxiliary device of heavy type bolt hydraulic stretcher according to claim 2, which is characterized in that the screw thread
Connection is transiting rod (1) bottom end setting external screw thread, and elevating lever (2) upper end is arranged matched internal thread hole and is attached.
5. the assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher described in any one, feature exist according to claim 1~4
In elevating lever (2) bottom end is designed as square boss.
6. the assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher described in any one, feature exist according to claim 1~4
In the nut (5) is hex nut.
7. the assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher described in any one, feature exist according to claim 1~4
In the gasket (4) is circle flat shim.
8. the assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher described in any one, feature exist according to claim 1~4
In the external screw thread of transiting rod (1) upper end is M10 or M12 or M16.
9. the assembling and disassembling auxiliary device of heavy type bolt hydraulic stretcher according to claim 3, which is characterized in that the transition
Bar (1) bottom end internal thread hole is M20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930744.7U CN208322650U (en) | 2018-06-15 | 2018-06-15 | The assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930744.7U CN208322650U (en) | 2018-06-15 | 2018-06-15 | The assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208322650U true CN208322650U (en) | 2019-01-04 |
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ID=64771108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820930744.7U Expired - Fee Related CN208322650U (en) | 2018-06-15 | 2018-06-15 | The assembling and disassembling auxiliary device of heavy bolt hydraulic stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208322650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268801A (en) * | 2020-10-23 | 2021-01-26 | 江苏诚品环保科技有限公司 | Pressure measuring machine for aldehyde-free solid wood composite floor |
-
2018
- 2018-06-15 CN CN201820930744.7U patent/CN208322650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268801A (en) * | 2020-10-23 | 2021-01-26 | 江苏诚品环保科技有限公司 | Pressure measuring machine for aldehyde-free solid wood composite floor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 |