CN201151633Y - Spiral releasing hydraulic jacks - Google Patents
Spiral releasing hydraulic jacks Download PDFInfo
- Publication number
- CN201151633Y CN201151633Y CNU2007202014466U CN200720201446U CN201151633Y CN 201151633 Y CN201151633 Y CN 201151633Y CN U2007202014466 U CNU2007202014466 U CN U2007202014466U CN 200720201446 U CN200720201446 U CN 200720201446U CN 201151633 Y CN201151633 Y CN 201151633Y
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- China
- Prior art keywords
- snap ring
- fixture block
- hydraulic
- spring
- rod
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- Expired - Fee Related
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Abstract
The utility model discloses a helix unscrewing hydraulic jack. A through rod is inserted in the center of a hydraulic ram; a piston and a sealing member are arranged inside the cylinder body of the hydraulic ram; an upper nozzle tip and a lower nozzle tip are arranged on the cylinder body, and a piston rod runs out of the cylinder body, and the upper end of the piston rod is connected with the clipping-head seat; the inner ring of the snap ring has a conical surface; 3-7 clipping blocks which are evenly distributed circumferentially are embedded in the snap ring; a small spring is connected between clipping blocks; a circumferential boss in a circular-arc shape is arranged on the lateral surface of each clipping block, and conically matches the inner-ring surface of the snap ring; the inner-side face of the clipping block is indented, and matches the cylindrical surface of the through rod; an upper spring and a lower spring are arranged on the upper end and the lower end of the clipping block respectively; a gland is covered on the upper surface of the upper spring and the outer ring surface of the snap ring; the outer ring surface of the snap ring is connected with the gland by thread, and forms a helix unscrewing mechanism with the snap block. The clipping-head and the through rod have sound clipping or unscrewing performance, the structure is simple, the cost is low, the operation is easy, safe and reliable; the utility model can be a double-acting double-ejector-rod hydraulic cylinder or a single-acting double-ejector-rod hydraulic cylinder.
Description
(1) technical field
The utility model relates to a kind of hydraulic jack, particularly a kind of feed-through hydraulic jack.
(2) background technology
The feed-through hydraulic jack is a kind of mechanical equipment commonly used, the lifting through being usually used in weight and climbing.That often blocks between the dop of tradition feed-through hydraulic jack and the punching bar (or pole-climbing or draw bar) is firm inadequately, and safety is lower.And the feed-through hydraulic jack in jail of card, often manufacturing cost is very high again, its complex structure, repairs and both bothers, and price is high again, and has the defective of complex operation.
(3) utility model content
The purpose of this utility model provides a kind of spiral pine cassette hydraulic jack, solve block between hydraulic jack dop and the punching bar firm inadequately, its complex structure, cost height, complex operation, the lower problem of safety.
For achieving the above object, the utility model adopts following technical scheme:
This spiral pine cassette hydraulic jack, hydraulic ram 1 center is inserted with a punching bar 7, piston 16 and sealing member 17 are arranged in the cylinder body of hydraulic ram 1, have the last oil nozzle 4 and the following oil nozzle 5 that are communicated with hydraulic power unit by oil piping system respectively on the cylinder body, piston rod 3 stretches out cylinder body, and its upper end is connected with dop base 14; Upper chuck 2 and following dop 6 include dop base 14, snap ring 11 and fixture block 10, it is characterized in that: the inner ring surface of snap ring 11 is a conical surface, snap ring is embedded in 3～7 lobe hoop well-distributed fixture blocks 10, be connected with little spring 13 between fixture block and the fixture block, the lateral surface of fixture block 10 has a circular arc hoop boss, and with the taper fitting of snap ring 11 inner ring surfaces, the medial surface of fixture block 10 has groove, and cooperate with the cylinder of punching bar, on punching bar 7, the upper and lower side that is positioned at fixture block 10 is with upper spring 8 and lower spring 12 respectively, be stamped a gland 9 with snap ring 11 outer ring surfaces above the upper spring 8, snap ring 11 outer ring surfaces are threaded with gland 9, have formed the spiral clip-loosing mechanism with fixture block.
The two ends of above-mentioned little spring 13 are embedded in the spring groove of two fixture block adjacent surfaces.
Above-mentioned punching bar 7 can be lifting arm, pole-climbing, draw bar, steel strand or steel cable.
Above-mentioned hydraulic ram 1 is two rod hydraulic rams of double acting or the two rod hydraulic rams of single-acting.
The utility model spiral pine cassette hydraulic jack promotes the working process of weight:
When the following oil nozzle of hydraulic ram advanced hydraulic oil promotion piston rod upward movement, upper chuck tightened or pins the punching bar automatically, and punching bar bottom is entrusted with weight or is connected, and drives the weight upward movement simultaneously, and meanwhile, following dop does not hinder punching bar upward movement.When last oil nozzle oil-feed, following oil nozzle oil return, the piston rod backhaul is being with upper chuck to move downward simultaneously, meanwhile descends dop chucking or to pin the punching bar motionless automatically, and so far weight has just been finished a uphill process.Above-mentioned so repeatedly action constantly promotes weight until putting in place.After weight puts in place respectively by on screw off dop and upper chuck gland make down the fixture block of dop and upper chuck unclamp the punching bar respectively, extract or drop to the punching bar out original position this moment again.When needs promote again, as long as respectively the spiral clip-loosing mechanism backspin of upper and lower dop is put in place, just can make up and down the dop rechuck or lock the punching bar, promptly in running order again, carry out the lifting work of next stage again.
The principle of work of spiral pine cassette hydraulic jack translation weight and roughly the same above-mentioned only needs that vertical direction is become horizontal direction and gets final product.
During work, some (several to tens) spiral pine cassette hydraulic jacks can be communicated with hydraulic power unit by oil piping system, form complete hydraulic pressure lift or translation device.
Compare with traditional feed-through hydraulic jack, on the structure of upper and lower dop, can find out, more original simpler of " pine card " of the present utility model mechanism, and Song Kageng is effectively with reliable, has advantage simple in structure, safe and reliable, more convenient operation, dop is easier up and down blocks punching bar 7, but cost descends to some extent.Hydraulic ram both can be the two rod hydraulic rams of double acting, also can be the two rod hydraulic rams of single-acting.
The utility model both can be a double acting feedthrough spiral pine cassette hydraulic jack, also can be single-acting feedthrough spiral pine cassette hydraulic jack.Applicable to promoting weight, for example: the large-scale storage tank that metals such as various large-scale liquid storage tanks, aluminium oxide decomposer, power plant desulfurization absorption tower, heat generator are made; Steel mast, steel steeple, communications tower, large-scale steel structure etc., the utility model is also applicable to the translation large scale chemical plant, as huge tower, big structural steel frame etc., the utility model also applicable to the translation construction and various climbing (jacking) engineering construction of buildings such as main equipment, factory building, building, ancient building, also comprises the sliding formwork engineering construction.
(4) description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment one double acting feedthrough spiral pine cassette hydraulic jack.
Fig. 2 is the structural representation of the utility model dop.
Fig. 3 is the structural representation of A-A section among Fig. 2.
Fig. 4 is the structural representation of the utility model embodiment two single-acting feedthrough spirals pine cassette hydraulic jack.
Reference numeral: dop, 7-punching bar, 8-upper spring, 9-gland, 10-fixture block, 11-snap ring, 12-lower spring, 13-little spring, 14-dop base, 15-carriage, 16-piston, 17-sealing member, 18-retracting spring, 19-jack base under oil nozzle, the 6-under 1-hydraulic ram, 2-upper chuck, 3-piston rod, the last oil nozzle of 4-, the 5-.
(5) specific embodiment
Embodiment one is referring to shown in Fig. 1-3, this spiral pine cassette hydraulic jack is the double acting hydraulic jack, hydraulic ram 1 center is inserted with a punching bar 7, piston 16 and sealing member 17 are arranged in the cylinder body of hydraulic ram 1, have the last oil nozzle 4 and the following oil nozzle 5 that are communicated with hydraulic power unit by oil piping system respectively on the cylinder body, piston rod 3 passes cylinder body, and its upper end is connected with dop base 14; Upper chuck 2 and following dop 6 include dop base 14, snap ring 11 and fixture block 10, the inner ring surface of snap ring 11 is a conical surface, snap ring is embedded in 3～7 lobe hoop well-distributed fixture blocks 10, present embodiment has embedded 5 lobe fixture blocks, be connected with little spring 13 between fixture block and the fixture block, the two ends of above-mentioned little spring 13 are embedded in the spring groove of two fixture block adjacent surfaces.The lateral surface of fixture block 10 has a circular arc hoop boss, and with the taper fitting of snap ring 11 inner ring surfaces, the medial surface of fixture block 10 has groove, and with the cylindrical fit of punching bar, both be convenient to chucking and pinned punching bar 7, do not hinder the hydraulic pressure backhaul of piston rod simultaneously again.On punching bar 7, the upper and lower side that is positioned at fixture block 10 is respectively equipped with upper spring 8 and lower spring 12, above the upper spring 8 and snap ring 11 outer ring surfaces be stamped a gland 9, snap ring 11 outer ring surfaces are threaded with gland 9, have formed the spiral clip-loosing mechanism with fixture block.Following dop 6 is connected by the bottom of carriage 15 with hydraulic ram 1.Punching bar 7 can be lifting arm or steel strand, steel cable, also can be pole-climbing, draw bar or steel strand, steel cable.
Referring to Fig. 2, Fig. 3 is threaded between the inboard of the lateral surface of snap ring 11 and gland 9, and when revolving on the gland 9, fixture block 10 moves up and unclamps punching bar 7, is " pine card " state.When gland 9 backspins, fixture block 10 moves down, and chucking and pinning punching bar 7 are " tight card " state, just normal mode of operation.
Embodiment two is referring to shown in Figure 24, and this spiral pine cassette hydraulic jack is a single-acting feedthrough spiral pine cassette hydraulic jack.This single-acting feedthrough spiral pine cassette hydraulic jack is identical with the basic structure of double acting feedthrough spiral pine cassette hydraulic jack, and difference is: the top of piston still is hydraulic ram, and the piston bottom is a retracting spring 18; The upper and lower dop structure of this jack and foregoingly turn setting around, the jack base 19 of hydraulic ram is connected with weight or sliding formwork template simultaneously.This single-acting feedthrough spiral pine cassette jack is applicable to climbing or the jacking engineering construction for example sliding formwork engineering construction.
Its working process is as follows: punching bar 7 is here for pole-climbing, should drop on ground during slding form operation or is fixed on the bottom surface.When upper chuck 2 chucking or to pin pole-climbing motionless automatically, meanwhile, last oil nozzle 4 advances on the hydraulic oil promotion hydraulic ram band weight or template is up moved.The base 19 of jack is fixed on the carriage 15, when the hydraulic oil oil return of last oil nozzle 4, the piston rod band upper chuck 2 automatic upward movement under the promotion of retracting spring 18, meanwhile descend dop 6 chucking or pinning pole-climbing automatically, and makes hydraulic ram 1 be with weight or template motionless.So far, weight or sliding formwork template have just been finished the process of climbing.Above-mentioned so repeatedly action, weight or template just can be climbed until putting in place once more.After putting in place, weight or template make down the fixture block 10 of dop 6 and upper chuck 2 unclamp punching bar 7 respectively by the gland 9 that screws off dop 6 and upper chuck 2 down, can come out punching bar 7 or pole-climbing withdrawing this moment, again jack (comprise up and down dop) is pulled down or jack is fallen back to original position, in order to using again next time.
When needs climb or during jacking, as long as be screwed into the position on the pine card screw mechanism of dop up and down respectively, just can make dop rechuck or pinning pole-climbing up and down, promptly in running order again, carry out climbing or jacking work of next stage again.
Claims (4)
1. spiral pine cassette hydraulic jack, hydraulic ram (1) center is inserted with a punching bar (7), piston (16) and sealing member (17) are arranged in the cylinder body of hydraulic ram (1), have the last oil nozzle (4) and the following oil nozzle (5) that are communicated with hydraulic power unit by oil piping system respectively on the cylinder body, piston rod (3) stretches out cylinder body, and its upper end is connected with dop base (14); Upper chuck (2) and following dop (6) include dop base (14), snap ring (11) and fixture block (10), it is characterized in that: the inner ring surface of snap ring (11) is a conical surface, snap ring is embedded in 3～7 lobe hoop well-distributed fixture blocks (10), be connected with little spring (13) between fixture block and the fixture block, the lateral surface of fixture block (10) has a circular arc hoop boss, and with the taper fitting of snap ring (11) inner ring surface, the medial surface of fixture block (10) has groove, and cooperate with the cylinder of punching bar, on punching bar (7), the upper and lower side that is positioned at fixture block (10) is with upper spring (8) and lower spring (12) respectively, above the upper spring (8) and snap ring (11) outer ring surface be stamped a gland (9), snap ring (11) outer ring surface is threaded with gland (9), has formed the spiral clip-loosing mechanism with fixture block.
2. spiral pine cassette hydraulic jack according to claim 1, it is characterized in that: the two ends of described little spring (13) are embedded in the spring groove of two fixture block adjacent surfaces.
3. spiral pine cassette hydraulic jack according to claim 1 and 2, it is characterized in that: described punching bar (7) is lifting arm, pole-climbing, draw bar, steel strand or steel cable.
4. spiral pine cassette hydraulic jack according to claim 3 is characterized in that: described hydraulic ram (1) is two rod hydraulic rams of double acting or the two rod hydraulic rams of single-acting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202014466U CN201151633Y (en) | 2007-11-27 | 2007-11-27 | Spiral releasing hydraulic jacks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202014466U CN201151633Y (en) | 2007-11-27 | 2007-11-27 | Spiral releasing hydraulic jacks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201151633Y true CN201151633Y (en) | 2008-11-19 |
Family
ID=40127311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202014466U Expired - Fee Related CN201151633Y (en) | 2007-11-27 | 2007-11-27 | Spiral releasing hydraulic jacks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201151633Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776067A (en) * | 2016-05-25 | 2016-07-20 | 中国能源建设集团湖南火电建设有限公司 | Lifting device and inverted installing method for reducing absorption tower |
| CN105836678A (en) * | 2016-05-25 | 2016-08-10 | 中国能源建设集团湖南火电建设有限公司 | Lifting device and lifting method for large tank |
| CN109081267A (en) * | 2018-08-29 | 2018-12-25 | 中国电建集团山东电力建设第工程有限公司 | A kind of biomass boiler superheater installation foundation operation platform method for improving |
-
2007
- 2007-11-27 CN CNU2007202014466U patent/CN201151633Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776067A (en) * | 2016-05-25 | 2016-07-20 | 中国能源建设集团湖南火电建设有限公司 | Lifting device and inverted installing method for reducing absorption tower |
| CN105836678A (en) * | 2016-05-25 | 2016-08-10 | 中国能源建设集团湖南火电建设有限公司 | Lifting device and lifting method for large tank |
| CN109081267A (en) * | 2018-08-29 | 2018-12-25 | 中国电建集团山东电力建设第工程有限公司 | A kind of biomass boiler superheater installation foundation operation platform method for improving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20141127 |
|
| EXPY | Termination of patent right or utility model |