CN209906262U

CN209906262U - Hydraulic jack suitable for slope

Info

Publication number: CN209906262U
Application number: CN201920574692.9U
Authority: CN
Inventors: 沈忠林
Original assignee: Shanghai Zhenyou Equipment Engineering Technology Co Ltd
Current assignee: Shanghai Zhenyou Equipment Engineering Technology Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-01-07
Anticipated expiration: 2029-04-25

Abstract

The utility model relates to a hydraulic jack discloses a be applicable to domatic hydraulic jack, its technical scheme main points are including lifting, the lower surface of lifting is connected with the regulation base, the regulation base includes seat of honour and lower, the seat of honour is connected in the lower surface of lifting, lower articulates in the seat of honour, it has the regulation mouth to be "V" type opening between lower and the seat of honour, it has the regulating block to slide in the regulating block, the longitudinal section picture of regulating block is trapezoidal, the last medial surface of regulating block and the laminating of medial surface down are on the regulating block, the lower fixed surface of regulating block is connected with linkage piece, it has the groove of sliding that supplies linkage piece to slide to open on the inside wall of regulating block, be equipped with the adjusting screw who passes linkage piece in the groove of sliding, the one end that the groove of sliding was worn out and is adjusted the base lateral wall is equipped with the supporting shoe, adjusting screw. The utility model has the advantages of when by jacking object's stress surface and support jacking the support surface of piece between nonparallel often mutually, stabilize jacking object.

Description

Hydraulic jack suitable for slope

Technical Field

The utility model relates to a hydraulic jack, in particular to hydraulic jack suitable for it is domatic.

Background

A hydraulic jack is a device for lifting heavy objects, and comprises a manual hydraulic pump and a lifting piece, wherein the lifting piece comprises a cylinder body and a piston capable of lifting in the cylinder body. In the working process, a worker introduces hydraulic oil into the cylinder body through the manual hydraulic pump, and the piston ejects out of the cylinder body under the pressure of the hydraulic oil, so that the heavy object is jacked.

In the prior art, a separate hydraulic jack is designed, referring to fig. 1, the separate hydraulic jack comprises a manual hydraulic pump 1 and a lifting part 2, the lifting part 2 comprises a cylinder 22 and a piston 23 capable of lifting in the cylinder 22, and a high-pressure hose 3 is communicated between the manual hydraulic pump 1 and the lifting part 2. This kind of disconnect-type hydraulic jack passes through high-pressure hose 3's setting, can carry out the jacking to the object by a long distance to reach the effect that improves the security.

However, when the separate hydraulic jack is designed, the lower surface of the lifting member 2 and the upper surface of the piston 23 are parallel to each other, and when an object is lifted, the plane supporting the lifting member 2 and the force-bearing surface of the object must be kept parallel, otherwise, the piston 23 necessary for the lifting member 2 cannot be attached to the force-bearing surface, so that the force of the lifting member 2 cannot be completely applied to the lifted object, and the lifting of the object is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applicable to domatic hydraulic jack has when being by the stress surface of jacking object and supporting between the holding surface of jacking piece nonparallel of each other, stabilizes the advantage of jacking object.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a hydraulic jack suitable for a slope surface comprises a jacking piece, wherein the lower surface of the jacking piece is connected with an adjusting base, the adjusting base comprises an upper seat and a lower seat, the upper seat is connected with the lower surface of the jacking piece, the lower seat is hinged to the upper seat, an adjusting opening is formed between the lower seat and the upper seat in a V shape, an adjusting block slides in the adjusting opening, the longitudinal section of the adjusting block is trapezoidal, the upper inner side surface and the lower inner side surface of the adjusting opening are attached to the adjusting block and are in the radial direction of the jacking piece, the distance of the adjusting opening is larger than that of the adjusting block, the lower surface of the adjusting block is fixedly connected with a linkage block, a sliding groove for the sliding of the linkage block is formed in the inner side wall of the adjusting opening, the sliding groove is formed in the gradient direction of the inner side wall of the adjusting opening, one end of the sliding groove penetrates through the outer side wall of the adjusting base, and an adjusting screw rod penetrating through the, the adjusting screw is in threaded connection with the linkage block, a supporting block is arranged at one end, penetrating out of the outer side wall of the adjusting base, of the sliding groove, and the adjusting screw penetrates through and is in rotary connection with the supporting block.

Through adopting above-mentioned technical scheme, when being not parallel to each other between the stress surface of jacking thing and the supporting plane, the staff twists adjusting screw, adjusting screw through with the linkage between the piece screw-thread fit, has reached the effect of drive regulating block for the regulating block can move in the regulation mouth, and the in-process of removal, the upper and lower surface of regulating block props upper berth and lower seat all the time. Because the upper seat and the lower seat are hinged with each other, the upper seat and the lower seat generate opening motion under the jacking force of the adjusting block, so that the lower seat generates angle change to adapt to the angle difference between the stress surface of the jacked object and the supporting plane. The utility model discloses in, through the shore of regulating block, the angle between upper seat and the lower seat has obtained the regulation, when by the stress surface of jacking object and when supporting the holding surface of jacking piece between the nonparallel of each other, can adjust the angle of lower seat for jacking piece and regulation base adaptation are by the stress surface of jacking thing and the angle difference between the holding surface, have the advantage of stabilizing the jacking object.

Furthermore, be equipped with supplementary slide rail on the regulating block, open the supplementary spout that has the supplementary slide rail of worker to slide on the inside wall of regulation mouth, supplementary spout and the groove syntropy that slides.

Through adopting above-mentioned technical scheme, the cooperation of supplementary slide rail and supplementary spout has improved the stability of sliding of regulating block in adjusting the mouth.

Furthermore, the top and the bottom of regulating block lateral surface are equipped with the retaining ring respectively, the retaining ring is respectively in the last inside wall and the lower inside wall of regulating block of laminating, the dead bolt of lock is worn to be equipped with at the both ends of retaining ring.

Through adopting above-mentioned technical scheme, after the regulating block is accomplished the angular adjustment of adjusting the base, screw up the dead bolt of lock, realized locking the regulating block through the dead bolt of lock and the frictional force between the regulation mouth inner wall and died, reduced the utility model discloses in the course of the work, produce the possibility of sliding in the regulation mouth.

Furthermore, the lower surface of the lower seat is provided with anti-skid grains.

Through adopting above-mentioned technical scheme, anti-skidding line has improved the coefficient of friction between regulation base and the supporting plane, makes the utility model discloses can be pressed from both sides tightly by jacking object and supporting plane more steadily between.

Furthermore, the lower surface of the jacking piece is provided with a connecting column, the upper surface of the upper seat is provided with a connecting hole for accommodating the connecting column, the outer side wall of the connecting column is twisted with an external thread, the inner side wall of the connecting hole is twisted with an internal thread, and the connecting column is in threaded connection with the connecting hole.

Through adopting above-mentioned technical scheme, jack-up piece and adjust and realize detachable through the screw-thread fit between spliced pole and the connecting hole between the base and be connected, when being mutually horizontal by jacking object and supporting plane, can pull down the regulation base, directly use jack-up piece.

Furthermore, a turntable is fixedly sleeved at one end of the adjusting screw rod, which penetrates through the supporting block, and an anti-skid rubber layer is sleeved on the surface of the turntable.

Through adopting above-mentioned technical scheme, the carousel makes adjusting screw's rotation more convenient, and the setting on non-slip rubber layer has improved the frictional force on carousel surface simultaneously, has reduced the possibility that the in-process that rotates adjusting screw produced the phenomenon of skidding.

Furthermore, a plurality of steel ball rollers are embedded in the auxiliary slide rail along the length direction of the auxiliary slide rail, and the steel ball rollers are attached to the bottom of the auxiliary slide groove.

Through adopting above-mentioned technical scheme, the steel ball gyro wheel has reduced frictional resistance between supplementary slide rail and the supplementary spout for the regulating block can more smoothly slide in adjusting the mouth.

Furthermore, a resistance pressure spring is clamped between the inner side wall of one end, away from the supporting block, of the sliding groove and the linkage block, and the resistance pressure spring is sleeved on the adjusting screw rod.

Through adopting above-mentioned technical scheme, resistance spring has improved the resistance when rotating adjusting screw to make the feed speed of regulating block slower, reached the effect of fine setting.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses in, through the shore of regulating block, the angle between upper seat and the lower seat has obtained the regulation, when by the stress surface of jacking object and when supporting the holding surface of jacking piece between the nonparallel of each other, can adjust the angle of lower seat for jacking piece and regulation base adaptation are by the stress surface of jacking thing and the angle difference between the holding surface, have the advantage of stabilizing the jacking object.

Drawings

Fig. 1 is a schematic structural view for embodying a separate type hydraulic jack in the background art;

FIG. 2 is an exploded view for embodying the present invention;

fig. 3 is an exploded view for embodying an adjustment base.

In the figure, 1, a manual hydraulic pump; 2. a jacking member; 21. connecting columns; 22. a cylinder body; 23. a piston; 3. a high pressure hose; 4. adjusting the base; 41. an upper seat; 42. a lower seat; 43. connecting holes; 44. an adjustment port; 45. a sliding groove; 46. an auxiliary chute; 5. an adjusting block; 51. a linkage block; 52. an auxiliary slide rail; 53. a confinement ring; 531. locking the bolt; 6. adjusting the screw rod; 61. a support block; 62. a turntable; 7. steel ball rollers; 8. and resistance compression springs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a hydraulic jack suitable for domatic, refer to fig. 2, includes manual hydraulic pump 1 and jacking piece 2, and the intercommunication has high-pressure hose 3 between manual hydraulic pump 1 and the jacking piece 2. The lower surface of the jacking piece 2 is connected with an adjusting base 4, the adjusting base 4 comprises an upper seat 41 and a lower seat 42, the jacking piece 2 is used for supporting a jacked object, and the lower seat 42 is attached to a supporting surface. The lower surface of the jacking piece 2 is provided with a connecting column 21, and the upper surface of the upper seat 41 is provided with a connecting hole 43 for accommodating the connecting column 21. The outer side wall of the connecting column 21 is twisted with an external thread, the inner side wall of the connecting hole 43 is twisted with an internal thread, and the connecting column 21 is in threaded connection in the connecting hole 43.

Referring to fig. 2, the lower base 42 is hinged to the upper base 41, and the hinged parts of the two are engaged with each other in a comb-tooth shape. A V-shaped adjusting opening 44 is formed between the upper seat 41 and the lower seat 42, an adjusting block 5 slides in the adjusting opening 44, the longitudinal section of the adjusting block 5 is trapezoidal, the height of one side of the adjusting block close to the hinge is smaller than that of one side of the adjusting block far away from the hinge, and the upper inner side surface and the lower inner side surface of the adjusting opening 44 are attached to the adjusting block 5. The distance of the adjusting opening 44 is greater than the distance of the adjusting block 5 in the radial direction of the lifting member 2.

Referring to fig. 2, when the force-bearing surface of the object to be jacked and the supporting surface supporting the jacking member 2 are not parallel to each other, the adjusting block 5 is moved in the adjusting opening 44, the adjusting block 5 is jacked between the upper seat 41 and the lower seat 42, so that the lower seat 42 rotates around the hinge joint of the upper seat 41 and the lower seat 42, and the angle of the lower seat 42 is changed to adapt to the angle difference between the supporting surface and the force-bearing surface. In order to increase the friction between the lower seat 42 and the supporting surface, the lower surface of the lower seat 42 is provided with anti-slip threads.

Referring to fig. 2, a linkage block 51 is fixedly connected to the lower surface of the adjusting block 5, a sliding groove 45 is formed in the inner side wall of the adjusting opening 44, the sliding groove 45 is formed along the slope direction of the inner side wall of the adjusting opening 44, and one end of the sliding groove penetrates through the outer side wall of the adjusting base 4. The linkage block 51 is slidably connected in the slide groove 45. An adjusting screw 6 penetrating through the linkage block 51 is arranged in the sliding groove 45, and the adjusting screw 6 is connected to the linkage block 51 in a threaded manner. One end of the sliding groove 45 penetrating through the outer side wall of the adjusting base 4 is fixedly connected with a supporting block 61, and the adjusting screw 6 penetrates through and is rotatably connected with the supporting block 61.

Referring to fig. 2, a turntable 62 is fixedly sleeved on one end of the adjusting screw 6 passing through the supporting block 61, and an anti-slip rubber layer is sleeved on the surface of the turntable 62. When the angle of the lower seat 42 needs to be adjusted, a worker screws the turntable 62, the turntable 62 drives the adjusting screw 6 to rotate, and the adjusting screw 6 is in threaded connection with the linkage block 51, so that the adjusting screw 6 enables the adjusting block 5 to move in the adjusting opening 44 in the rotating process, and the angle of the lower seat 42 is adjusted.

Referring to fig. 2, the adjusting block 5 is provided with an auxiliary slide rail 52 (see fig. 3), an auxiliary slide groove 46 for sliding the auxiliary slide rail 52 is formed on an inner side wall of the adjusting opening 44, and the auxiliary slide rail 52 is slidably engaged with the auxiliary slide groove 46. The cooperation of the auxiliary slide rail 52 and the auxiliary slide groove 46 improves the stability of the adjusting block 5 during the movement.

Referring to fig. 2, a plurality of ball rollers 7 (refer to fig. 3) are embedded in the auxiliary slide rail 52, the ball rollers 7 are disposed at equal intervals along the length direction of the auxiliary slide rail 52, and the balls of the ball rollers 7 are attached to the bottom of the auxiliary slide groove 46. The setting of steel ball gyro wheel 7 has reduced the resistance of regulating block 5 for the process of sliding of regulating block 5 is more smooth and easy.

Referring to fig. 2, the top and the bottom of the outer side surface of the adjusting block 5 are respectively provided with a limiting ring 53, the limiting rings 53 are respectively attached to the upper inner side wall and the lower inner side wall of the adjusting opening 44, and locking bolts 531 are arranged at two ends of the limiting rings 53 in a penetrating manner. After the angle adjustment of the lower seat 42 is completed, the locking bolt 531 is screwed down, so that the angle of the lower seat 42 is not changed any more, and the possibility that the lower seat 42 is subjected to the gravity of the object to be jacked to change the angle in the process of jacking the object is reduced.

Referring to fig. 3, a resistance pressure spring 8 is sandwiched between an inner side wall of one end of the sliding groove 45 away from the supporting block 61 and the linkage block 51, and the resistance pressure spring 8 is sleeved on the adjusting screw 6. The resistance pressure spring 8 improves the pressure of the feeding adjusting block 5, so that the adjusting block 5 moves slowly, and the fine adjustment effect is achieved.

The specific implementation process comprises the following steps: when the stress surface of the object to be jacked is not parallel to the supporting surface of the jacking piece 2, the jacking piece 2 and the adjusting base 4 are connected into a whole and are placed between the two planes. And then, rotating the adjusting screw 6 to enable the adjusting block 5 to move in the adjusting opening 44, and in the moving process, enabling the lower seat 42 to turn over, so that the piston 23 of the jacking piece 2 is attached to the stressed surface of the jacked object, and the lower surface of the lower seat 42 is attached to the supporting plane. And finally, starting the manual hydraulic pump 1 to lift the object.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A hydraulic jack suitable for domatic, includes lifting member (2), its characterized in that: the lower surface of the jacking piece (2) is connected with an adjusting base (4), the adjusting base (4) comprises an upper seat (41) and a lower seat (42), the upper seat (41) is connected to the lower surface of the jacking piece (2), the lower seat (42) is hinged to the upper seat (41), an adjusting opening (44) is formed between the lower seat (42) and the upper seat (41) in a V shape, an adjusting block (5) slides in the adjusting opening (44), the longitudinal section of the adjusting block (5) is trapezoidal, the upper inner side surface and the lower inner side surface of the adjusting opening (44) are attached to the adjusting block (5) along the radial direction of the jacking piece (2), the distance of the adjusting opening (44) is greater than that of the adjusting block (5), the lower surface of the adjusting block (5) is fixedly connected with a linkage block (51), a sliding groove (45) for the linkage block (51) to slide is formed in the inner side wall of the adjusting opening (44), the sliding groove (45) is formed in the slope direction of the inner side wall of the adjusting opening (44), one end of the sliding groove penetrates out of the outer side wall of the adjusting base (4), an adjusting screw rod (6) penetrating through a linkage block (51) is arranged in the sliding groove (45), the adjusting screw rod (6) is connected to the linkage block (51) in a threaded mode, a supporting block (61) is arranged at the end, penetrating out of the outer side wall of the adjusting base (4), of the sliding groove (45), and the adjusting screw rod (6) penetrates through and is rotatably connected to the supporting block (61).

2. The hydraulic jack for a slope according to claim 1, wherein: be equipped with supplementary slide rail (52) on regulating block (5), open supplementary spout (46) that supplementary slide rail (52) of having good work slided on the inside wall of regulation mouth (44), supplementary spout (46) and sliding groove (45) syntropy.

3. The hydraulic jack for a slope according to claim 1, wherein: the top and the bottom of regulating block (5) lateral surface are equipped with limit ring (53) respectively, limit ring (53) laminate in the last inside wall and the lower inside wall of regulating block (5) respectively, the both ends of limit ring (53) are worn to be equipped with dead bolt (531).

4. The hydraulic jack for a slope according to claim 1, wherein: the lower surface of the lower seat (42) is provided with anti-skid grains.

5. The hydraulic jack for a slope according to claim 1, wherein: the lower surface of jacking piece (2) is equipped with spliced pole (21), the upper surface of upper seat (41) is opened has connecting hole (43) that are used for holding spliced pole (21), the lateral wall hank of spliced pole (21) has the external screw thread, the inside wall hank of connecting hole (43) has the internal thread, spliced pole (21) threaded connection is in connecting hole (43).

6. The hydraulic jack for a slope according to claim 1, wherein: the adjusting screw (6) penetrates through one end of the supporting block (61) and is fixedly sleeved with a turntable (62), and an anti-skid rubber layer is sleeved on the surface of the turntable (62).

7. The hydraulic jack for a slope according to claim 2, wherein: a plurality of steel ball rollers (7) are embedded in the auxiliary sliding rail (52) along the length direction of the auxiliary sliding rail, and the steel ball rollers (7) are attached to the bottom of the auxiliary sliding groove (46).

8. The hydraulic jack for a slope according to claim 1, wherein: a resistance pressure spring (8) is clamped between the inner side wall of one end, away from the supporting block (61), of the sliding groove (45) and the linkage block (51), and the resistance pressure spring (8) is sleeved on the adjusting screw (6).