CN204940367U - For the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box - Google Patents
For the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box Download PDFInfo
- Publication number
- CN204940367U CN204940367U CN201520532052.3U CN201520532052U CN204940367U CN 204940367 U CN204940367 U CN 204940367U CN 201520532052 U CN201520532052 U CN 201520532052U CN 204940367 U CN204940367 U CN 204940367U
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- China
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- self
- cylinder rod
- block set
- capsule
- load box
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Abstract
The utility model discloses a kind of for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, comprise notched block set, described block set inside is provided with cushion along breach both sides, cushion is provided with semicircle piston ring, the capsule being packaged with binding liquid is provided with between the breach both sides of described block set and semicircle piston ring, two front drifts are provided with between described capsule, be provided with inner with plunger and sealing ring between described two front drifts, be externally connected to the cylinder body of input mouth, the breach relative position of described block set is provided with the capsule being packaged with binding liquid, rear drift is provided with between described capsule and described block set.The utility model is solution resistance to plucking problem after self-balancing load box cylinder efficient completes specially, and cylinder rod reaches any position of specifying and all can lock, and is applicable to the cylinder rod self-locking of load box in foundation pile self-balancing loading detection process.
Description
Technical field
The utility model relates to a kind of self-locking device, in particular, relates to a kind of for the cylinder rod self-locking suit in foundation pile self-balancing loading detection load box.
Background technology
Because national economy is fast-developing, China's infrastructure construction is persistently overheating, and super highrise building, especially big highway bridge put into operation in a large number, and the requirement for Pile Bearing Capacity is also more and more higher, current Pile is long the longest more than 100m, and bearing capacity of single pile limiting value is more than 100000kN.Conventional single-pile static loading test detection method obviously can not meet detection demand, and (accumulation load method detects vertical ultimate bearing capacity of single pile and is generally no more than 20000kN, anchoring pile Force Method detects vertical ultimate bearing capacity of single pile and is generally no more than 50000kN), and foundation pile self-balancing approach loading test is not owing to limiting by bearing capacity size and site condition, well meet the requirement of large-tonnage static loading test, have important practical significance.
In hydraulic system, hydraulic cylinder is main movement transfer member.In many situations, hydraulic cylinder will be locked in certain position, can not move.But due to hydraulic system itself, after hydraulic cylinder rod stretches out, when particularly with load, certain position is fixed on, need constantly to pressurize, namely need constantly to use the energy to remain fixing.For energy conservation creates hydraulic cylinder self locking apparatus.Traditional hydraulic cylinder self locking apparatus uses spring loaded effect, is surrounded by conic self-locking block and is pressed on lever, start the effect of self-locking.But through the use of a period of time, the wearing and tearing of generation make self-locking deleterious, and locked lever can produce small displacement.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and providing a kind of is solution resistance to plucking problem after self-balancing load box cylinder efficient completes specially, and cylinder rod reaches any position of specifying all can enter line-locked self-locking covering device.
The purpose of this utility model is achieved through the following technical solutions.
Of the present utility model for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, comprise the band be set on cylinder rod block set jaggy, described block set inside is provided with two cushions along breach both sides horizontal symmetrical, described cushion is respectively arranged with the semicircle piston ring that two end band are domatic, the capsule being packaged with binding liquid is respectively arranged with between the breach both sides of described block set and contacted semicircle piston ring, two front drifts are provided with between described capsule, be provided with inner with plunger and sealing ring between described two front drifts, be externally connected to the cylinder body of input mouth, and be provided with the capsule being packaged with binding liquid between the contact jaw of two semicircle piston rings of the breach relative position of described block set, rear drift is provided with between described capsule and described block set.
Described semicircle piston ring inner surface is provided with screw thread.
The external surface of described semicircle piston ring is set to the conical surface.
It is domatic that described cover base inner surface is set to suit mutually with described semicircle piston ring external surface.
Described block set breach both sides inner surface is respectively arranged with capsule groove.
Described semicircle piston ring end outer surface is provided with the capsule groove corresponding with the capsule groove of described block set.
Described block set arranged outside has reinforced steel.
Compared with prior art, the beneficial effect that the technical solution of the utility model is brought is:
(1) inside is provided with in the utility model with plunger and sealing ring, be externally connected to the cylinder body of input mouth, by input mouth to cylinder body injecting gas or liquid medium repeatedly, plunger is made to produce vibration and displacement, then before promoting, drift moves to both sides thus forces semicircle piston ring to tighten to internal diameter, produce radial armful power, thus the capsule at rear drift place is racked, discharge high-strength binding liquid; Simultaneously because front drift moves ahead, the high-strength binding liquid in capsule is extruded and discharges, semicircle piston ring, cylinder rod, block set are bonded together.
(2) cushion is provided with between block set and semicircle piston ring in the utility model, when cylinder rod produces axial displacement, a certain amount of axial displacement can be provided for semicircle piston ring, reduce the relative displacement between cylinder rod and semicircle piston ring, be conducive to improving the locking effect to cylinder rod.
(3) in the utility model, semicircle piston ring inner surface is provided with screw thread, increases the frictional force between semicircle piston ring and cylinder rod, is conducive to the locking to cylinder rod.
(4) in the utility model, the both ends of semicircle piston ring are set to domatic, and external surface is set to the conical surface, it is domatic that cover base inner surface is set to suit mutually with semicircle piston ring external surface, is more conducive to semicircle piston ring in extrusion process and tightens to internal diameter, produces radially to embrace power.
(5) in the utility model, block set arranged outside has reinforced steel, is more conducive to firmly carrying out pre-buried to load box.
Accompanying drawing explanation
Fig. 1 is package assembly schematic diagram of the present utility model.
Fig. 2 is the assembling schematic diagram of cylinder rod in the utility model and load box.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is structural representation of the present utility model.
Fig. 5 is the structural representation of cylinder body in the utility model.
Reference numeral: drift 6 cylinder body before 1 semicircle piston ring 2 cylinder rod 3 block set 4 capsule 5
Drift 8 reinforced steel 9 sealing ring 10 plunger 11 cushion 12 input mouth after 7
13 operating cylinder 14 operating cylinder oil nozzle 15 capsule groove 16 capsule grooves
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in Figures 1 to 5, of the present utility model for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, comprise the band be set on cylinder rod 2 block set 3 jaggy, described block set 3 arranged outside has reinforced steel 8, described block set 3 breach both sides inner surface is respectively arranged with capsule groove 15, and it is domatic that described block set 3 inner surface is set to suit mutually with described semicircle piston ring 1 external surface.Described block set 3 inside is provided with two cushions 11 along breach both sides horizontal symmetrical, described cushion 11 is respectively arranged with semicircle piston ring 1, described semicircle piston ring 1 inner surface is provided with screw thread, the external surface of described semicircle piston ring 1 is set to the conical surface, the two ends arranged outside of described semicircle piston ring 1 is domatic, described semicircle piston ring 1 end outer surface is provided with the capsule groove 16 corresponding with capsule groove 15 in described block set 3, the capsule 4 being packaged with high-strength binding liquid is respectively arranged with between the capsule groove 16 of described semicircle piston ring 1 and corresponding block set 3 capsule groove 15, two front drifts 5 are provided with between described capsule 4, be provided with inner with plunger 10 and sealing ring 9 between described two front drifts, be externally connected to the cylinder body 6 of input mouth 12, and be provided with the capsule 4 being packaged with high-strength binding liquid between the contact jaw of two semicircle piston rings 1 of the breach relative position of described block set 3, rear drift 7 is provided with between described capsule 4 and described block set 3.
Operating principle of the present utility model: when hydraulic system starts, by operating cylinder oil nozzle 14 to operating cylinder 13 fuel feeding, under cylinder rod 2 stretches out the situation of finishing the work, the unfavoured state produced to prevent station displacement from producing slippage carries out work.Self-locking is formed, the displacement of restriction cylinder rod 2 under producing the effect of radial displacement and bonding force by the device of block set 3 li.
First, when the position of specifying required for cylinder rod 2 work moves to, starting pressure system, by input mouth 11 to cylinder body 6 injecting gas or liquid medium repeatedly, makes plunger 10 produce vibration and displacement, and promotion semicircle piston ring 1 and front drift 5 move ahead.Under rear drift 7 and front drift 5 act on, force semicircle piston ring 1 to tighten to internal diameter, produce radial armful power.When cylinder rod 2 moves ahead generation axial displacement, semicircle piston ring 1 conical surface moves to locking direction, simultaneously because semicircle piston ring 1 radial direction moves ahead, the high-strength binding liquid in capsule 4 is extruded and discharges, semicircle piston ring 1, cylinder rod 2, block set 3 are bonded together.Make this device under stressed state, do not produce displacement, bear axial load power.
The utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; not restrictive; those of ordinary skill in the art are under the utility model enlightenment; do not departing under the ambit that the utility model aim and claim protect; also can make the concrete conversion of a lot of form, these all belong within protection domain of the present utility model.
Claims (7)
1. one kind for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, comprise the band be set on cylinder rod block set jaggy, it is characterized in that, described block set inside is provided with two cushions along breach both sides horizontal symmetrical, described cushion is respectively arranged with the semicircle piston ring that two end band are domatic, the capsule being packaged with binding liquid is respectively arranged with between the breach both sides of described block set and contacted semicircle piston ring, two front drifts are provided with between described capsule, be provided with inner with plunger and sealing ring between described two front drifts, be externally connected to the cylinder body of input mouth, and be provided with the capsule being packaged with binding liquid between the contact jaw of two semicircle piston rings of the breach relative position of described block set, rear drift is provided with between described capsule and described block set.
2. according to claim 1ly it is characterized in that for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, described semicircle piston ring inner surface is provided with screw thread.
3. according to claim 1ly it is characterized in that for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, the external surface of described semicircle piston ring is set to the conical surface.
4. according to claim 1ly it is characterized in that for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, it is domatic that described cover base inner surface is set to suit mutually with described semicircle piston ring external surface.
5. according to claim 1ly it is characterized in that for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, described block set breach both sides inner surface is respectively arranged with capsule groove.
6. according to claim 1ly it is characterized in that for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, described semicircle piston ring end outer surface is provided with the capsule groove corresponding with the capsule groove of described block set.
7. according to claim 1ly it is characterized in that for the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box, described block set arranged outside has reinforced steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532052.3U CN204940367U (en) | 2015-07-21 | 2015-07-21 | For the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532052.3U CN204940367U (en) | 2015-07-21 | 2015-07-21 | For the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204940367U true CN204940367U (en) | 2016-01-06 |
Family
ID=55007809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520532052.3U Withdrawn - After Issue CN204940367U (en) | 2015-07-21 | 2015-07-21 | For the cylinder rod self-locking covering device in foundation pile self-balancing loading detection load box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204940367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040748A (en) * | 2015-07-21 | 2015-11-11 | 宋博琪 | Oil cylinder rod self-locking sleeve device used in foundation pile self-balancing load detection load box |
-
2015
- 2015-07-21 CN CN201520532052.3U patent/CN204940367U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040748A (en) * | 2015-07-21 | 2015-11-11 | 宋博琪 | Oil cylinder rod self-locking sleeve device used in foundation pile self-balancing load detection load box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |