CN207192666U - A kind of carried bottom jack with height adjustment mechanism - Google Patents
A kind of carried bottom jack with height adjustment mechanism Download PDFInfo
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- CN207192666U CN207192666U CN201720514537.9U CN201720514537U CN207192666U CN 207192666 U CN207192666 U CN 207192666U CN 201720514537 U CN201720514537 U CN 201720514537U CN 207192666 U CN207192666 U CN 207192666U
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- piston
- adjustment mechanism
- height adjustment
- hole
- piston rod
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Abstract
It the utility model is related to a kind of carried bottom jack with height adjustment mechanism, including cylinder body, piston and piston rod, the side of cylinder body is provided with wear-resistant sleeve, wear-resistant sleeve is fixed by bearing pin and Fixing shrink ring, the bottom of wear-resistant sleeve is provided with base disk, the side of wear-resistant sleeve is provided with the bolt coordinated with bolt hole, and jack is fixed on into base disk；Liquid is swapped by nipple orifice and liquid, and the pressure differential at piston both ends is adjusted by deep hole liquid output, realizes the movement of piston；The edge of base disk is provided with height adjustment mechanism, and the outside of height adjustment mechanism is enclosed provided with fixed mechanism.The utility model is rational in infrastructure, uniform force, places stable, it is easy to use, failure is effectively reduced, solves discontinuity existing for existing jack base, is placed unstable, in-convenience in use, fault rate is high, easily triggers the technical problems such as danger, for prior art, it is once great technological innovation, there is good market prospects and development space.
Description
Technical field
It the utility model is related to jack apparatus, and in particular to a kind of carried bottom jack with height adjustment mechanism.
Background technology
Jack is a kind of crane gear commonly used in industry, using extremely wide in colliery, transportation industry.But current city
The jack sold on field can run into following problem in use：One, jack is used in some the places that the soil is porous,
Ordinary jack is because bottom lifting surface area is small, during lifting, often sink, does not have lifting effect；Two, at some
Ground is hard but is broken down on rugged road, and existing jack can not place stabilization, not accomplish horizontal level
Lifting；Three, some existing jack bases adjust height by way of bolt precession, occur that bolt is given birth to during use
Rust, foreign matter into keyhole lead to not work the problems such as.A kind of rational in infrastructure, ingenious in design, uniform force how is designed, is placed
Stable, easy to use, the jack for effectively reducing failure is to need to solve the problems, such as at present.
Utility model content
Complicated existing for existing jack, the discontinuity in order to solve, placement is unstable, in-convenience in use, therefore
Barrier rate is high, easily triggers the technical problems such as danger, and the utility model provides a kind of carried bottom jack with height adjustment mechanism,
It is rational in infrastructure to realize, ingenious in design, uniform force, place stable, easy to use, effective purpose for reducing failure.
The utility model is that technical scheme is used by solving above-mentioned technical problem：It is a kind of with height adjustment mechanism
Carried bottom jack, including cylinder body, the piston being arranged in cylinder body and the piston rod being fastened in piston, the port of export of the cylinder body
The guide sleeve for piston rod guide effect is provided with, piston rod is fixedly connected with the piston by a screw, and the side of cylinder body is set
Wear-resistant sleeve is equipped with, wear-resistant sleeve is fixed up by a bearing pin with being arranged on the Fixing shrink ring being set on cylinder body, under wear-resistant sleeve
Portion is provided with base disk, the circular neck for being used to lay jack in base disk center, and the edge of neck is provided with bolt hole,
The side of wear-resistant sleeve is provided with the bolt coordinated with bolt hole, and the base of jack is fixed on base disk；The base
The edge of disk is provided with the height adjustment mechanism for adjusting chassis height, and the outside of height adjustment mechanism is enclosed provided with fixed machine
Structure；Height adjustment mechanism includes screw body, the spiral tooth that is arranged on cylinder and support cap, fixed mechanism include fixed block,
It is arranged on the female through hole of band on fixed block and with the cooperation of spiral tooth, the pin-and-hole being located on base disk and matches somebody with somebody with pin-and-hole
The diameter of the bearing pin of conjunction, wherein screw body is less than the diameter of through hole, so that after screw body passes through through hole, the internal thread and spiral shell of through hole
Rotation tooth intermeshes, while bearing pin pierces into pin-and-hole and fixes height adjustment mechanism.
The first deep hole and the second deep hole that are internally provided with along shaft length direction of described piston rod, wherein, first
The initiating terminal of deep hole is blocked by a fixation plug, offers the inlet opening communicated with piston side in the middle part of the first deep hole, and second
The initiating terminal of deep hole communicates with the opposite side of piston；Be provided with the head of the piston rod respectively with the first deep hole end and
The connection of two deep hole ends and be provided with the inclined nipple orifice of piston club body, the initiating terminal of nipple orifice for glue outside clamping
The clamping joint of pipe, liquid are swapped by nipple orifice and the liquid in cylinder body, pass through the first deep hole and the liquid of the second deep hole
Output adjusts the pressure differential at piston both ends, realizing the movement of piston.
Cavity is provided with below described neck, the reinforcement steel plate of a support jack bottom is installed in cavity.
Spiral tooth in described screw body is in equidistant arrangement, so that height adjustment mechanism height needed for is adjusted
Section.
The quantity of described height adjustment mechanism is four groups, every group of equal independent operation regulation, to adapt to the ground of different height
Face.
Described piston is provided with piston guide ring with cylinder body contact position, and piston guide ring side is provided with piston seal
Circle；Piston at plunger rod contacts with being provided with the first static sealing ring.
The middle part of described guide sleeve is connected through a screw thread with inboard wall of cylinder block, and guide sleeve is provided with O close to cylinder body exit
Type circle, guide sleeve set the second static sealing ring away from cylinder body exit；Guide sleeve at piston rod EDGE CONTACT with being provided with piston
Bar sealing ring, piston rod seals both sides are respectively arranged with piston rod guide ring.
The port of export of described guide sleeve is provided with the dust ring around piston rod.
Described nipple orifice and the angle of inclination of piston club body are 10-45 degree.
Compared with prior art, the beneficial effects of the utility model are：
1）The utility model height adjustment mechanism includes screw body, the spiral tooth being arranged on cylinder and support cap, Gu
Determining mechanism includes fixed block, the female through hole of band for being arranged on fixed block and coordinating with spiral tooth, is located in base disk
On pin-and-hole and with pin-and-hole coordinate bearing pin, wherein the diameter of screw body be less than through hole diameter so that screw body passes through through hole
Afterwards, the internal thread of through hole intermeshes with spiral tooth, while bearing pin pierces into pin-and-hole and fixes height adjustment mechanism, and height adjusts machine
Structure is used in combination with fixed mechanism, and it is highly non-adjustable to solve existing jack base, place it is unstable wait technical barrier, change
Enter rear more convenient and practical；
2）Cylinder body, the piston being arranged in cylinder body and the piston rod being fastened in piston, piston rod pass through a screw and work
Plug is fixedly connected, and the side of cylinder body is provided with wear-resistant sleeve, and wear-resistant sleeve is by a bearing pin and is arranged on the fixation being set on cylinder body
Ring set is fixed up, and the bottom of wear-resistant sleeve is provided with base disk, the circular neck for being used to lay jack in base disk center, card
The edge of groove is provided with bolt hole, and the side of wear-resistant sleeve is provided with the bolt coordinated with bolt hole, by the base of jack
It is fixed on base disk, the edge of base disk is provided with the height adjustment mechanism for adjusting chassis height, and height adjusts machine
The outside of structure is enclosed provided with fixed mechanism, and Each part is clear, and jack places stabilization, and height is adjustable at any time, easy to use；
3）Cavity is provided with below circular neck, the reinforcement steel plate of a support jack bottom is installed in cavity, is added
Strong steel plate is located at the lower section of circular neck, and intensity is high, the weight of effective support jack；
4）Spiral tooth in screw body is in equidistant arrangement, so that height adjustment mechanism height needed for is adjusted；
5）The quantity of height adjustment mechanism is four groups, every group of equal independent operation regulation, to adapt to the ground of different height.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is jack vertical section structural representation；
Fig. 3 is base disk cross section structure diagram；
Fig. 4 is height adjustment mechanism and fixed mechanism cooperation schematic diagram；
Fig. 5 is base disk overlooking the structure diagram；
Fig. 6 is nipple orifice cross section structure diagram；
Fig. 7 is jack cylinder body overlooking the structure diagram；
Marked in figure：1st, wear-resistant sleeve, 2, screw, 3, piston guide ring, 4, piston packing, the 5, first static sealing ring, 6,
Piston, 7, cylinder body, 8, piston rod, the 9, second static sealing ring, 10, piston rod guide ring, 11, piston rod seals, 12, O-ring,
13rd, dust ring, 14, guide sleeve, 15, nipple orifice, 16, fixed plug, 17, inlet opening, 18, clamping joint, 19, bolt, 20, bolt
Hole, 21, base disk, 22, neck, 23, height adjustment mechanism, 2301, screw body, 2302, spiral tooth, 2303, support cap,
24th, fixed mechanism, 2401, fixed block, 2402, through hole, 2403, pin-and-hole, 2404, bearing pin, 25, cavity, 26, strengthen steel plate.
Embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
As illustrated, a kind of carried bottom jack with height adjustment mechanism, including cylinder body 7, the work that is arranged in cylinder body 7
Plug 6 and the piston rod 8 being fastened in piston 6, the port of export of the cylinder body 7 are provided with the guiding for the guide effect of piston rod 8
Set 14, piston rod 8 is fixedly connected by a screw 2 with piston 6, and the side of cylinder body 7 is provided with wear-resistant sleeve 1, and wear-resistant sleeve 1 passes through one
Bearing pin is fixed up with being arranged on the Fixing shrink ring being set on cylinder body 7, and the bottom of wear-resistant sleeve 1 is provided with base disk 21, base
The circular neck 22 for being used to lay jack in the center of disk 21, the edge of neck 22 are provided with bolt hole 20, and the one of wear-resistant sleeve 1
Side is provided with the bolt 19 coordinated with bolt hole 20, the base of jack is fixed on base disk 21, the base disk 21
Edge be provided with height adjustment mechanism 23 for adjusting chassis height, the outside of height adjustment mechanism 23 is enclosed provided with fixing
Mechanism 24；Height adjustment mechanism 23 includes screw body 2301, the spiral tooth 2302 being arranged on cylinder 2301 and support cap
2303, fixed mechanism 24 includes fixed block 2401, is arranged on fixed block 2401 and carries interior spiral shell with what spiral tooth 2302 coordinated
The through hole 2402 of line, the pin-and-hole 2403 being located on base disk 21 and the bearing pin 2404 coordinated with pin-and-hole 2403, wherein screw body
2301 diameter be less than through hole 2402 diameter so that screw body 2301 pass through through hole 2402 after, the internal thread of through hole 2402 with
Spiral tooth 2302 intermeshes, while bearing pin 2404 pierces into pin-and-hole 2403 and fixes height adjustment mechanism 23；
Be basic embodiment of the present utility model above, can more than on the basis of further improved, improved and limited
It is fixed：The first deep hole 801 and the second deep hole 802 that are internally provided with along shaft length direction of piston rod 8 as mentioned, wherein,
The initiating terminal of first deep hole 801 is fixed plug 16 by one and blocked, and the middle part of the first deep hole 801 offers to be communicated with the side of piston 6
Inlet opening 17, the initiating terminal of the second deep hole 802 communicates with the opposite side of piston 6；It is provided with the head of the piston rod 8 point
It is not connected with the end of the first deep hole 801 and the end of the second deep hole 802 and with the inclined nipple orifice 15 of the shaft of piston rod 8, joint
The initiating terminal in hole 15 is provided with the clamping joint 18 for clamping outer hose, and liquid is entered by nipple orifice 15 and the liquid in cylinder body
Row exchanges, and the pressure differential at the both ends of piston 6 is adjusted by the liquid output of the first deep hole 801 and the second deep hole 802, to realize
The movement of piston 6；
The lower section of neck 22 is provided with cavity 25 as mentioned, and the reinforcement of a support jack bottom is installed in cavity 25
Steel plate 26；
The spiral tooth 2302 in screw body 2301 is in equidistant arrangement as mentioned, so that height adjustment mechanism 23 is according to required
Highly it is adjusted；
The quantity of height adjustment mechanism 23 is four groups as mentioned, every group of equal independent operation regulation, to adapt to different height
Ground；
Piston 6 is provided with piston guide ring 3 with the contact position of cylinder body 7 as mentioned, and the side of piston guide ring 3 is provided with piston
Sealing ring 4；Piston 6 is provided with the first static sealing ring 5 with the contact position of piston rod 8；
The middle part of guide sleeve 14 is connected through a screw thread with the inwall of cylinder body 7 as mentioned, and guide sleeve 14 is close to the exit of cylinder body 7
O-ring 12 is provided with, guide sleeve 14 sets the second static sealing ring 9 away from the exit of cylinder body 7；Guide sleeve 14 and the edge of piston rod 8
Contact position is provided with piston rod seals 11, and the both sides of piston rod seals 11 are respectively arranged with piston rod guide ring 10；
The port of export of guide sleeve 14 is provided with the dust ring 13 around piston rod 8 as mentioned；
Nipple orifice 15 and the angle of inclination of the shaft of piston rod 8 are 10-45 degree as mentioned.
During normal work, user judges lifting object and the angle on ground according to current topographic and geologic and road conditions,
Adjust height adjustment mechanism 23, select the height of suitable spiral tooth 2302, after screw body 301 passes through through hole 402, through hole 402 with
Spiral tooth 302 intermeshes, while bearing pin 2404 pierces into pin-and-hole 2403 and fixes height adjustment mechanism 23, then the post by jack
Cap 1 is placed in neck 22, and the circular neck 22 for being used to lay jack in the center of base disk 21, the edge of neck 22 is set
There is bolt hole 20, the side of wear-resistant sleeve 1 is provided with the bolt 19 coordinated with bolt hole 20, the base of jack is fixed on into bottom
On attic base 21, lifting operation is then carried out.
The utility model is rational in infrastructure, ingenious in design, uniform force, places stabilization, easy to use, effectively reduces failure,
Solving complicated existing for existing jack base, discontinuity, placement is unstable, in-convenience in use, fault rate is high, holds
Easily trigger the technical problem such as danger, be once great technological innovation for prior art, have good market prospects and
Development space.
The utility model preferred embodiment and embodiment are explained in detail above in conjunction with accompanying drawing, but this
Utility model is not limited to the above-described embodiment and examples, in those skilled in the art's possessed knowledge, may be used also
So that various changes can be made without departing from the concept of the premise utility.
Claims (9)
1. a kind of carried bottom jack with height adjustment mechanism, including cylinder body（7）, be arranged on cylinder body（7）Interior piston（6）With
It is fastened on piston（6）Interior piston rod（8）, the cylinder body（7）The port of export be provided with for piston rod（8）Guide effect is led
To set（14）, piston rod（8）Pass through a screw（2）With piston（6）It is fixedly connected, cylinder body（7）Side be provided with wear-resistant sleeve
（1）, wear-resistant sleeve（1）Cylinder body is set in being arranged on by a bearing pin（7）On Fixing shrink ring be fixed up, wear-resistant sleeve（1）'s
Bottom is provided with base disk（21）, base disk（21）The circular neck for being used to lay jack in center（22）, neck（22）'s
Edge is provided with bolt hole（20）, wear-resistant sleeve（1）Side be provided with and bolt hole（20）The bolt of cooperation（19）, by thousand
The base on jin top is fixed on base disk（21）On, it is characterised in that：Described base disk（21）Edge be provided with for adjusting
The height adjustment mechanism of chassis assembly height（23）, height adjustment mechanism（23）Outside enclose provided with fixed mechanism（24）；Highly adjust
Save mechanism（23）Including screw body（2301）, be arranged on screw body（2301）On spiral tooth（2302）With support cap
（2303）, fixed mechanism（24）Including fixed block（2401）, be arranged on fixed block（2401）It is upper and with spiral tooth（2302）Coordinate
The female through hole of band（2402）, be located in base disk（21）On pin-and-hole（2403）With with pin-and-hole（2403）The pin of cooperation
Axle（2404）, wherein screw body（2301）Diameter be less than through hole（2402）Diameter so that screw body（2301）Through through hole
（2402）Afterwards, through hole（2402）Internal thread and spiral tooth（2302）Intermesh, while bearing pin（2404）Pierce into pin-and-hole
（2403）By height adjustment mechanism（23）It is fixed.
A kind of 2. carried bottom jack with height adjustment mechanism as claimed in claim 1, it is characterised in that：Described piston
Bar（8）The first deep hole being internally provided with along shaft length direction（801）With the second deep hole（802）, wherein, the first deep hole
（801）Initiating terminal pass through one fix plug（16）Block, the first deep hole（801）Middle part offer and piston（6）Side communicates
Inlet opening（17）, the second deep hole（802）Initiating terminal and piston（6）Opposite side communicate；The piston rod（8）Head at
Be provided with respectively with the first deep hole（801）End and the second deep hole（802）End connects and and piston rod（8）Shaft is inclined
Nipple orifice（15）, nipple orifice（15）Initiating terminal be provided with clamping joint for clamping outer hose（18）, liquid passes through joint
Hole（15）Swapped with the liquid in cylinder body, pass through the first deep hole（801）With the second deep hole（802）Liquid output adjust
Whole piston（6）The pressure differential at both ends, to realize piston（6）Movement.
A kind of 3. carried bottom jack with height adjustment mechanism as claimed in claim 1, it is characterised in that：Described neck
（22）Lower section be provided with cavity（25）, cavity（25）Inside it is installed on the reinforcement steel plate of a support jack bottom（26）.
A kind of 4. carried bottom jack with height adjustment mechanism as claimed in claim 1, it is characterised in that：Described screw rod
Body（2301）On spiral tooth（2302）In equidistant arrangement, so that height adjustment mechanism（23）It is adjusted according to required height.
A kind of 5. carried bottom jack with height adjustment mechanism as claimed in claim 1, it is characterised in that：Described height
Governor motion（23）Quantity be four groups, every group of equal independent operation regulation, to adapt to the ground of different height.
A kind of 6. carried bottom jack with height adjustment mechanism as claimed in claim 1, it is characterised in that：Described piston
（6）With cylinder body（7）Contact position is provided with piston guide ring（3）, piston guide ring（3）Side is provided with piston packing（4）；It is living
Plug（6）With piston rod（8）Contact position is provided with the first static sealing ring（5）.
A kind of 7. carried bottom jack with height adjustment mechanism as claimed in claim 1, it is characterised in that：Described guiding
Set（14）Middle part and cylinder body（7）Inwall is connected through a screw thread, guide sleeve（14）Close to cylinder body（7）Exit is provided with O-ring
（12）, guide sleeve（14）Away from cylinder body（7）Exit sets the second static sealing ring（9）；Guide sleeve（14）With piston rod（8）Edge
Contact position is provided with piston rod seals（11）, piston rod seals（11）Both sides are respectively arranged with piston rod guide ring（10）.
A kind of 8. carried bottom jack with height adjustment mechanism as claimed in claim 1, it is characterised in that：Described guiding
Set（14）The port of export be provided with around piston rod（8）Dust ring（13）.
A kind of 9. carried bottom jack with height adjustment mechanism as claimed in claim 2, it is characterised in that：Described joint
Hole（15）With piston rod（8）The angle of inclination of shaft is 10-45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514537.9U CN207192666U (en) | 2017-05-10 | 2017-05-10 | A kind of carried bottom jack with height adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514537.9U CN207192666U (en) | 2017-05-10 | 2017-05-10 | A kind of carried bottom jack with height adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207192666U true CN207192666U (en) | 2018-04-06 |
Family
ID=61793291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720514537.9U Active CN207192666U (en) | 2017-05-10 | 2017-05-10 | A kind of carried bottom jack with height adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207192666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453638A (en) * | 2020-03-26 | 2020-07-28 | 三一重型装备有限公司 | Deep hole piston rod of side-push jack and machining method and application thereof |
| CN114455500A (en) * | 2022-01-27 | 2022-05-10 | 徐州达一重锻科技有限公司 | Hydraulic device convenient to adjust and capable of measuring distance between ground and chassis |
-
2017
- 2017-05-10 CN CN201720514537.9U patent/CN207192666U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453638A (en) * | 2020-03-26 | 2020-07-28 | 三一重型装备有限公司 | Deep hole piston rod of side-push jack and machining method and application thereof |
| CN111453638B (en) * | 2020-03-26 | 2023-09-15 | 三一重型装备有限公司 | Deep hole piston rod of side-pushing jack and processing method and application thereof |
| CN114455500A (en) * | 2022-01-27 | 2022-05-10 | 徐州达一重锻科技有限公司 | Hydraulic device convenient to adjust and capable of measuring distance between ground and chassis |
| CN114455500B (en) * | 2022-01-27 | 2024-01-30 | 徐州达一重锻科技有限公司 | Hydraulic device convenient to adjust and capable of measuring distance between ground and chassis |
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