CN202225140U - Hydraulic tightening/untightening device - Google Patents
Hydraulic tightening/untightening device Download PDFInfo
- Publication number
- CN202225140U CN202225140U CN2011203561245U CN201120356124U CN202225140U CN 202225140 U CN202225140 U CN 202225140U CN 2011203561245 U CN2011203561245 U CN 2011203561245U CN 201120356124 U CN201120356124 U CN 201120356124U CN 202225140 U CN202225140 U CN 202225140U
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- Prior art keywords
- oil
- valve body
- hydraulic cylinder
- valve
- manual pump
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- Expired - Fee Related
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Abstract
The utility model provides a hydraulic tightening/untightening device and is characterized in that an outer barrel (7) and an oil tank (39) are arranged outside a hydraulic cylinder barrel (27); a breather valve (10) is arranged on the outer barrel (7); a guide sleeve (32) is arranged at the top of a valve body (6) which is arranged at the bottom of the hydraulic cylinder barrel; an oil path hole and an oil pumping port are formed inside the valve body; an oil pipe (8) is connected between the oil path hole inside the valve body and the guide sleeve; a hand-operated reversing valve (21) with a hand-operated pump (40) is arranged on the valve body; an oil path hole and an oil suction hole are formed inside the hand-operated pump; steel balls (20 and 19), an oil outlet (44) and a hand-operated pump spring (22) are arranged inside the oil suction hole; a pressure meter (38) is arranged on the oil outlet; a plunger (4) is arranged on the hand-operated pump; a support column (1) is arranged on the valve body; a compression rod head (3) is connected to the support column, on which a compression rod (2) is inserted; and the valve body, the hydraulic cylinder barrel, the outer barrel and the guide sleeve are connected in a threaded manner through a pull rod (29). The hydraulic tightening/untightening device integrates the functions of a power device, a reversing valve and a hydraulic cylinder, and is convenient to use and carry.
Description
Technical fieldThe utility model relates to a kind of hydraulic pressure tightener, particularly a kind of hydraulic booster tightener that integrates power, reversal valve, hydraulic cylinder function.Be mainly used in the maintenance, repair of tank track.The maintenance personal can provide enough moment to ratchet spanner through this device, accomplishes the dismounting to crawler belt corrosion nut.
Background technology
At present, known hydraulic cylinder all needs external power source (pumping plant or manual pump) and reversal valve to realize stretching, contracting of hydraulic cylinder piston rod, and then realizes jacking and tension through hydraulic cylinder.Manual pump be need be equipped with during especially open-air the use, flexible pipe, reversal valve, valve seat, hydraulic cylinder connected.Not only of a great variety, volume is big, also requires the operator to possess corresponding hydraulic pressure knowledge.Simultaneously, the connection operation under the field extreme environment produces oil contamination to hydraulic system easily, influences performance.
Summary of the inventionFor overcoming the deficiency of above-mentioned prior art; The purpose of the utility model is to want to provide a kind of new hydraulic pressure tightener; This tightener integrates power, reversal valve, hydraulic cylinder function, need not to connect equipment such as fluid pressure line again, can accomplish the maintenance, repair to tank track.
The utility model is that the technical scheme that its technical problem of solution is adopted is: a kind of hydraulic pressure tightener, bag
Draw together hydraulic cylinder, be provided with piston rod in the hydraulic cylinder, its design feature is to be provided with urceolus in the outside of hydraulic cylinder, between urceolus and hydraulic cylinder, is provided with fuel tank, on urceolus, is provided with breather valve; Valve body is equipped with in the bottom of hydraulic cylinder, and the top then is with fairlead, is provided with oil circuit hole, pump hydraulic fluid port in the valve body; Oil pipe one end is connected on the oil circuit hole in the valve body, and the other end then is connected in the fairlead, and the manual pump reversal valve is housed on the valve body; The manual pump reversal valve contains manual pump, be provided with in the manual pump with valve body in corresponding oil circuit hole, oil circuit hole and oil-sucking hole, be provided with the oil sealing steel ball in the oil-sucking hole; Oil sealing steel ball top is provided with steel ball, oil-out, manual pump spring; Manual pump spring one end is connected on the steel ball, and the other end then compresses with screw plug, on the oil-out of manual pump, Pressure gauge is housed; Plunger is housed on the manual pump, and the endoporus of plunger is connected with pump hydraulic fluid port on the valve body; On valve body, be provided with support column, the depression bar head is connected on the support column through pivot pin, on the depression bar head, is inserted with depression bar; Valve body, hydraulic cylinder, urceolus and fairlead link together through pull rod screw.
Breather valve spring, steel ball are housed in the described breather valve, and breather valve is fixed on the urceolus through breathing valve seat.
Be provided with circular port on breather valve top.
On depression bar, be provided with mounting hole.
The utility model is owing to be on the basis of hydraulic cylinder; Manual pump, dynamometer instrument, fuel tank and manual pump reversal valve have been installed; Thereby, constitute the hydraulic booster tightener that integrates power (manual pump, Pressure gauge, fuel tank), reversal valve, hydraulic cylinder function, during use; Do not need to install again equipment such as connection fluid pressure line, only adopt the utility model can accomplish the maintenance, repair of tank track.Also be that the maintenance, repair personnel shake depression bar and can realize stretching out of hydraulic cylinder piston rod and withdraw, to ratchet spanner enough moment be provided, need not other auxiliary equipment and be connected with loaded down with trivial details pipeline through this device.Its simple appearance, volume compact, overall weight is light, has reduced labor intensity of operating personnel and technical ability requirement.
Description of drawingsFig. 1 is the vertical view of a kind of embodiment of the utility model.
Fig. 2 is the A-A sectional structural map of Fig. 1.
Fig. 3 is the B-B sectional structural map of Fig. 1.
Fig. 4 is the C-C sectional structural map of Fig. 1.
Fig. 5 is the D-D sectional structural map of Fig. 1.
Fig. 6 is the E-E sectional structural map of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed explanation.
Can find out that by Fig. 1-Fig. 6 the utility model contains hydraulic cylinder 27, be provided with piston rod 28 in the hydraulic cylinder 27, be provided with urceolus 7, between urceolus 7 and hydraulic cylinder 27, be provided with fuel tank 39, on urceolus 7, be provided with breather valve 10 in the outside of hydraulic cylinder 27; Valve body 6 is equipped with in the bottom of hydraulic cylinder 27, and the top then is with fairlead 32, is provided with oil circuit hole P, A, B, T, pump hydraulic fluid port Q in the valve body 6; Oil pipe 8 one ends are connected on the oil circuit hole A in the valve body 6, and the other end then is connected in the fairlead 32, and support ring 15 is housed in the fairlead 32; Si Te envelope 16, dust ring 17 is realized piston rod packing; Manual pump reversal valve 21 is housed on the valve body 6, and manual pump reversal valve 21 contains manual pump 40, is provided with in the manual pump 40 and valve body 6 interior oil circuit hole corresponding oil circuit hole A1, B1, T1 and oil-sucking hole X; In oil-sucking hole X, be provided with oil sealing steel ball 20; Oil sealing steel ball 20 tops are provided with steel ball 19, oil-out 44, manual pump spring 22, and manual pump spring 22 1 ends are connected on the steel ball 19, and the other end then compresses with interior hexagonal screw plug 37; On the oil-out 44 in manual pump 40 Pressure gauge 38 is housed, Pressure gauge 38 communicates with the P hole of hand-operated direction valve; Plunger 4 is housed on the manual pump 40, and the endoporus of plunger 4 is connected with pump hydraulic fluid port Q on the valve body 6; On valve body 6, be provided with support column 1, depression bar head 3 is connected on the support column 1 through pivot pin 35, on depression bar head 3, is inserted with depression bar 2; Valve body 6, hydraulic cylinder 27, urceolus 7 and fairlead 32 are threaded together through pull bar 29.
From Fig. 3, Fig. 4, can find out, hydraulic cylinder 27 overcoat one deck urceolus 7, the space between urceolus 7 and the internal layer hydraulic cylinder 27 is a fuel tank 39, is used for storing fluid.
As can be seen from Figure 2; Spring 11, steel ball 12 are housed in the breather valve 10, are connected on the breather valve 10 with screwed valve seat 9, valve seat 9 is through being screwed on the urceolus 7; Can realize that the fluid in the urceolus 7 do not flow out, when forming negative pressure in the urceolus 7 automatically and atmosphere together with.Breather valve 10 top band circular ports 41, depression bar 2 is provided with mounting hole 43, and mounting hole 43 can be inserted in circular port 41, and behind the insertion pivot pin 35, depression bar 2 can be used as the lifting point and uses.
Can find out that from Fig. 3, Fig. 6 oil circuit hole P, A, B, the T of processing in the valve body 6 connect with the corresponding hydraulic fluid port of manual pump 40, wherein A communicates with A1, and the A mouth is equipped with interior hexagonal screw plug 36, and it is stifled to do technology.B communicates with B1, and T communicates with T1, and hand-operated direction valve 21 usefulness soket head cap screws 23 are fixed on the valve body 6, realizes the oil circuit conversion.Be with v-seal 24 on the plunger 4, be pressed on the valve body 6 through the screw thread on the plunger bushing 5.Oil sealing steel ball 20 is pressed on the oil-sucking hole X, and its top is provided with steel ball 19, oil-out 44, manual pump spring 22, compresses with interior hexagonal screw plug 37.Pump hydraulic fluid port Q is communicated with the endoporus of plunger 4, and when plunger 4 moved up, plunger 4 lower end endoporus formed negative pressure, and oil sealing steel ball 20 is opened, and fluid gets into from inlet port X, gets into plunger 4 lower end endoporus through the Q hole.When plunger 4 moved down, 4 times stomidium inner fluids of plunger pressure raise, and through the output of Q mouth, oil sealing steel ball 20 is compacted, backs down steel ball 19 simultaneously, and high-voltage oil liquid gets into the P mouth, and showed current pressure through Pressure gauge 38.
Can find out that from Fig. 1, Fig. 2 support column 1 is welded on the valve body 6.Depression bar head 3 is connected on the support column 1 through pivot pin 35.Depression bar 2 is inserted in 3 li on depression bar head.Depression bar 2 in the utility model is the depression bar of manual pump, again as handle.Have mounting hole 43 on the depression bar 2, when carrying, extract pivot pin 35 out, behind depression bar 2 backward rotation 180 degree; Mounting hole 43 on the depression bar 2 be through breather valve 10 on; Pivot pin 35 is penetrated in the circular port 41 of breathing valve body 10, and depression bar 2 promptly becomes the handle bar of whole device, is convenient for carrying.
Can find out among Fig. 2 that support ring 25, lattice enclose 26 and are contained on the piston rod 28, all are contained in the hydraulic cylinder 27 then.Hydraulic cylinder 27, urceolus 7 one ends are enclosed within on the valve body 6, and the other end is enclosed within on the fairlead 32, and two ends are with O shape circle 14,30 and back-up ring 31 sealings.Oil pipe 8 one ends are inserted in the A1 hole of valve body 6, and the other end is inserted in the hole 42 of fairlead 32, and two ends are with 13 sealings of O shape circle.Valve body 6, cylinder barrel 27, urceolus 7 and fairlead 32 are threaded through pull bar 29, and fairlead 32 ends lean on nut 34 lockings.Ear fork 18 also is housed on the termination of piston rod 28.Be with seal washer 33 outside the pull bar 29, prevent that the fluid in the urceolus 7 from revealing.Pull bar 29, oil pipe 8 also are hidden in urceolus 7 inner spaces, simple appearance.
Claims (4)
1. hydraulic pressure tightener; Comprise hydraulic cylinder (27); Be provided with piston rod (28) in the hydraulic cylinder (27); It is characterized in that being provided with urceolus (7), between urceolus (7) and hydraulic cylinder (27), be provided with fuel tank (39), on urceolus (7), be provided with breather valve (10) in the outside of hydraulic cylinder (27); Valve body (6) is equipped with in the bottom of hydraulic cylinder (27); The top then is with fairlead (32); Be provided with oil circuit hole P, A, B, T, pump hydraulic fluid port Q in the valve body (6), oil pipe (8) one ends are connected on the oil circuit hole A1 in the valve body (6), and the other end then is connected in the fairlead (32); Hand-operated direction valve (21) is housed on the valve body (6); Manual pump reversal valve (21) contains manual pump (40), is provided with in the manual pump (40) and valve body (6) interior oil circuit hole corresponding oil circuit hole A1, B1, T1 and oil-sucking hole X, in oil-sucking hole X, is provided with oil sealing steel ball (20); Oil sealing steel ball (20) top is provided with steel ball (19), oil-out (44), manual pump spring (22); Manual pump spring (22) one ends are connected on the steel ball (19), and the other end then uses screw plug (37) to compress, and on the oil-out (44) of manual pump (40), Pressure gauge (38) are housed; Plunger (4) is housed on the manual pump (40), and the endoporus of plunger (4) is connected with pump hydraulic fluid port Q on the valve body (6); On valve body (6), be provided with support column (1), depression bar head (3) is connected on the support column (1), on depression bar head (3), is inserted with depression bar (2); Valve body (6), hydraulic cylinder (27), urceolus (7) and fairlead (32) are threaded together through pull bar (29).
2. according to the described hydraulic pressure tightener of claim 1, it is characterized in that described breather valve (10) contains breather valve spring (11), steel ball (12), breather valve (10) is fixed on the urceolus (7) through breathing valve seat (9).
3. according to the described hydraulic pressure tightener of claim 2, its characteristic is provided with circular port (41) on breather valve (10) top.
4. according to the described hydraulic pressure tightener of claim 1, it is characterized in that on depression bar (2), being provided with mounting hole (43).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203561245U CN202225140U (en) | 2011-09-22 | 2011-09-22 | Hydraulic tightening/untightening device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203561245U CN202225140U (en) | 2011-09-22 | 2011-09-22 | Hydraulic tightening/untightening device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202225140U true CN202225140U (en) | 2012-05-23 |
Family
ID=46075746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011203561245U Expired - Fee Related CN202225140U (en) | 2011-09-22 | 2011-09-22 | Hydraulic tightening/untightening device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202225140U (en) |
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2011
- 2011-09-22 CN CN2011203561245U patent/CN202225140U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20120922 |