CN203095551U - Anchor pressing device of lifting mechanism - Google Patents
Anchor pressing device of lifting mechanism Download PDFInfo
- Publication number
- CN203095551U CN203095551U CN 201220686084 CN201220686084U CN203095551U CN 203095551 U CN203095551 U CN 203095551U CN 201220686084 CN201220686084 CN 201220686084 CN 201220686084 U CN201220686084 U CN 201220686084U CN 203095551 U CN203095551 U CN 203095551U
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- anchor
- hydraulic actuating
- fixing device
- actuating cylinder
- slab
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Abstract
An anchor pressing device of a lifting mechanism comprises an anchor pressing plate, an anchor jacking plate, at least three anchor hydraulic cylinder and piston push rod assemblies, an anchor ring and a steel stranded wire clamping device. The anchor jacking plate and the anchor pressing plate are parallelly separated from each other and are connected with each other in a threaded manner. The anchor pressing device is characterized in that anchor hydraulic cylinders are uniformly distributed on the anchor ring, the upper surface, which is opposite to the anchor pressing plate, of the anchor ring axially and downwardly extends to form the anchor hydraulic cylinders, and push rods of pistons upwardly extend out of the hydraulic cylinders via sealing structures to be connected with the anchor pressing plate and can be driven by hydraulic oil to move up and down in the hydraulic cylinders, so that the steel stranded wire clamping device can be driven clamp or release a steel stranded wire. The anchor pressing device has the advantages that the hydraulic cylinder and piston push rod assemblies are directly arranged on the anchor ring, and oil passages of rodless cavities of at least three anchor hydraulic cylinders are communicated with oil passages of rod cavities of the anchor hydraulic cylinders, so that the anchor pressing device is compact in structure, anchor pressing force is uniform, and an anchor can be pressed or released reliably only by means of connecting an optional one of three groups of communicated oil passages to an oil pipe.
Description
Technical field
The utility model relates to the active anchor fixing device of a kind of anchor fixing device, particularly hydraulic rockshaft.
Background technology
At present, the hydraulic pressure lift technology of employing hydraulic rockshaft is applied to the installation work of various large-size net racks, truss structure, large gantry crane more and more widely.The lifter anchor fixing device is as the core component of lifter, and its reliability and practicality directly influence safety and the use that promotes operation.
Traditional anchor fixing device all adopts external ground tackle hydraulic actuating cylinder, mainly contains two kinds of forms, and a kind of is that single ground tackle hydraulic actuating cylinder is arranged in the anchor ring center, and hydraulic actuating cylinder adopts two rod type that go out, the bar two ends by the clamping of pressing anchor slab and top anchor slab to connect to realize ground tackle with loosen; This kind arrangement is comparatively compact, but single hydraulic actuating cylinder presses anchor to cause easily to press anchor-hold inhomogeneous, and structure back seal face is more to cause leakage easily.Another kind is arranged in four ground tackle hydraulic actuating cylinders around the anchor ring, presses clamping that anchor slab realizes ground tackle and loosens by one; This kind arrangement presses anchor-hold more even, owing to will realize the parallel connection of four ground tackle hydraulic actuating cylinders, bonded assembly oil pipe number is more, because oil pipe will stretch out, withdraw along with oil cylinder piston, causes oil pipe to break easily in work progress.
Summary of the invention
The purpose of this utility model provides a kind of simple and compact for structure, safe and reliable lifter anchor fixing device of pressure anchor.
Lifter anchor fixing device of the present utility model, comprise: press anchor slab, with press parallel and the top anchor slab in anchor slab space by being threaded, at least three ground tackle hydraulic actuating cylinders and piston push rod assembly, anchor ring and steel strand fixing device, be characterized in, described ground tackle hydraulic actuating cylinder is distributed on the anchor ring, axially extend to form downwards by the anchor ring upper surface relative with described pressure anchor slab, the push rod of described piston protrudes upward described hydraulic actuating cylinder by hermetically-sealed construction and is connected with described pressure anchor slab, described piston push rod by hydraulic oil drive can be in hydraulic actuating cylinder up-and-down movement, carry out and clamp or unclamp the steel strand action to drive described steel strand fixing device.
Preferably, the quantity of described at least three ground tackle hydraulic actuating cylinders and piston rod push-rod assembly is four.
Described steel strand fixing device comprises: bevelled anchor clipper is arranged in the taper hole of anchor ring central authorities; At least three anchor sheet screws, described anchor sheet screw is threaded respectively with described pressure anchor slab and described anchor clipper.
In a preferred embodiment, also comprise be used for the steel strand fixing device compress mechanism in advance, comprising: a plurality of spacers are distributed on the top anchor slab and press between the anchor slab; A plurality of locating sleeves are installed in respectively and press on the anchor slab; A plurality of set screw are threaded and the described locating sleeve of contact by top anchor slab and spacer; Holddown spring is placed in the spring base hole of top anchor slab, and the upper end of the described anchor sheet of contact screw.
Hydraulic oil is supplied with by the ground tackle oil cylinder rodless cavity and the ground tackle cylinder rod chamber that are arranged on the sidewall of hydraulic actuating cylinder upper and lower part.
Preferably, the oil circuit of described hydraulic actuating cylinder rodless cavity and hydraulic actuating cylinder rod chamber is in parallel connects.
Described hermetically-sealed construction comprises flange part that is installed in the hydraulic actuating cylinder upper end perforate and the sealing member that is embedded on flange part, the contact surface between sealing fluid cylinder pressure and flange, piston push rod and the flange endoporus respectively.
Described hermetically-sealed construction also comprises the sealing member that is arranged on the piston, to seal with the hydraulic actuating cylinder endoporus.
Lifter anchor fixing device of the present utility model, the utility model adopts at least three for example four ground tackle hydraulic actuating cylinders and piston rod push-rod assemblies, directly be arranged on the anchor ring, utilize four holes of anchor ring processing, mounting flange and sealing member again, at least three rodless cavity oil circuits of ground tackle hydraulic actuating cylinder of four for example, the rod chamber oil circuit connects each other, this arrangement structure is the compactest, press anchor slab at least three for example four uniform anchorage cylinder effects to press down anchor-hold more even, by at least three groups four groups of oil circuits that connect for example, realized reliably to realize pressing anchor or loose anchor as long as any one group connects oil pipe.
Description of drawings
Fig. 1 lifter is pressed the overall structural arrangement dress figure of anchor anchor fixing device;
Fig. 2 is the hydraulic fluid port scheme drawing in parallel that rodless cavity oil circuit, the rod chamber oil circuit of ground tackle hydraulic actuating cylinder connects each other.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, the specific embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.At first need to prove, the utility model is not limited to the following specific embodiment, those skilled in the art should understand the utility model from the spirit that following embodiment embodied, and each technical term can be done the most wide in range understanding based on spirit of the present utility model.Same or analogous member uses the same reference numerals to represent among the figure.
Fig. 1 illustrates the lifter anchor fixing device of a specific embodiment of the utility model, as shown in the figure, comprise: press anchor slab 6, with press anchor slab 6 spaces parallel and pass through screw thread, for example bolt (not shown) bonded assembly top anchor slab 5, at least three are more satisfactory is only to illustrate one among four ground tackle hydraulic actuating cylinders and the piston push rod assembly 14(figure), anchor ring 9 and steel strand fixing device (below described in detail.Adopt four ground tackle hydraulic actuating cylinders and piston push rod assembly 14 in the present embodiment.
Each ground tackle hydraulic actuating cylinder and piston push rod assembly 14 comprise ground tackle hydraulic actuating cylinder 7, piston 8 and by piston extended with its all-in-one-piece push rod 15, each ground tackle hydraulic actuating cylinder 7 is distributed on the anchor ring, promptly be the center with anchor fixing device axis 16 and leaving on the circumference of this center certain intervals distance at anchor ring, form by the axially downward perforate of extending of the upper surface of the anchor ring 9 relative with described pressure anchor slab, described push rod 15 protrudes upward described hydraulic actuating cylinder 7 by hermetically-sealed construction (below described in detail) and is connected with described pressure anchor slab 6, as shown in the figure, after passing the through hole of pressing layout on the anchor slab 6, the threaded upper end of the formation of push rod 15 is connected with nut locking with packing ring.Hydraulic oil is supplied with by the ground tackle oil cylinder rodless cavity 11 and the ground tackle cylinder rod chamber 12 that are arranged on the hydraulic actuating cylinder 7 upper and lower part sidewalls.The rodless cavity oil circuit 13 of four ground tackle hydraulic actuating cylinder 7, rod chamber oil circuit 17 are in parallel each other to connect, as shown in Figure 2.Described piston 8, push rod 15 drive and can pump in hydraulic actuating cylinder 7 by hydraulic oil, carry out clamping or unclamp the steel strand action to drive described steel strand fixing device.
Described steel strand fixing device comprises: bevelled anchor clipper 10 is arranged in the taper hole 17 of anchor ring 9 central authorities; At least three anchor sheet screws 4, the afterbody of anchor sheet screw 4 is square, and three are one group and are embedded in the spring perch 18, and anchor sheet screw 4 is threaded respectively with pressing anchor slab 6 and anchor clipper 10.
In the present embodiment, also comprise be used for the steel strand fixing device compress mechanism in advance, this compresses mechanism in advance and comprises: a plurality of spacers 2 are distributed on top anchor slab 5 and press between the anchor slab 6; A plurality of locating sleeves 1 are installed in the endoporus of pressing on the anchor slab and being arranged in spacer 2 respectively; A plurality of set screw 20 are threaded and the described locating sleeve 1 of contact by top anchor slab 5 and spacer 2; Holddown spring 3 is placed in the spring base hole 19 of top anchor slab, and the upper end of the described anchor sheet of contact screw 4, certain thrust is provided for anchor clipper 10 by holddown spring 3.Pre-bearing crush is determined by the length of the locating sleeve 1 between top anchor slab 5, the pressure anchor slab 6.
Described hermetically-sealed construction comprises flange part 21 that is installed in the hydraulic actuating cylinder 7 upper end perforates and the sealing member 22 that is embedded on flange part 21, respectively the contact surface between sealing fluid cylinder pressure 7 and flange 21, push rod 15 and the flange endoporus (indicating).On piston 8, be provided with sealing member 22 ', to seal with hydraulic actuating cylinder 7 endoporus.
In sum, lifter anchor fixing device of the present utility model, adopt at least three for example four ground tackle hydraulic actuating cylinders and piston push rod assemblies 14, hydraulic actuating cylinder 7 directly is arranged on the anchor ring 9, utilize four cylinder holes of anchor ring processing, mounting flange 21 and sealing member 22 again, at least three rodless cavity oil circuits 13 of ground tackle hydraulic actuating cylinder of four for example, rod chamber oil circuit 17 connects each other, this arrangement structure is the compactest, press anchor slab 6 at least three for example four uniform ground tackle hydraulic actuating cylinder effects to press down anchor-hold more even, by at least three groups four groups of oil circuits that connect for example, realized as long as any one group connects oil pipe, can both reliably realize pressing anchor or loose anchor, promptly clamp or loosen steel strand.Anchor clipper 10 is installed in the anchor hole 17, by anchor sheet screw 4 with press anchor slab 6 to be connected and certain adjustment space arranged.
Below will specify the working process of lifter anchor fixing device of the present utility model.
The lifter anchor fixing device unclamps the course of action of steel strand:
When rodless cavity 11 oil returns of rod chamber 12 oil-feeds of the hydraulic actuating cylinder 7 of anchor fixing device, hydraulic actuating cylinder 7, piston 8 in the hydraulic actuating cylinder 7 is pushed upwardly through push rod 15 and drives and press anchor slab 6 and top anchor slab 5 upward movements under the effect of hydraulic oil, thereby drives the steel strand (not shown) in the endoporus 23 that anchor clipper 10 upward movements unclamp anchor clipper 10.
The lifter anchor fixing device clamps the course of action of steel strand: when rod chamber 12 oil returns of the hydraulic actuating cylinder 7 of rodless cavity 11 oil-feeds of the hydraulic actuating cylinder 7 of anchor fixing device, anchor fixing device, the piston 8 of the hydraulic actuating cylinder 7 of anchor fixing device is pushed down under the effect of hydraulic oil to drive presses anchor slab 6 and top anchor slab 5 to move downward, and moves downward the clamping steel strand thereby drive anchor clipper 10.
As can be known above-mentioned, lifter anchor fixing device of the present utility model adopts at least three for example four ground tackle hydraulic actuating cylinders and piston rod push-rod assemblies 14, directly be arranged on the anchor ring 9, utilize four cylinder holes 7 of anchor ring processing, mounting flange spare 7 and sealing member 22 again, at least three rodless cavity oil circuits 13 of anchor fixing device hydraulic actuating cylinder 7 of four for example, rod chamber oil circuit 17 connects each other, this arrangement structure is the compactest, press anchor slab 6 at least three for example four uniform hydraulic actuating cylinders and the effect of piston push rod assembly to press down anchor-hold more even, by at least three groups four groups of oil circuits 13 that connect for example, 17, realized reliably to realize pressing anchor or loose anchor as long as any one group connects oil pipe.
Should be understood that those skilled in the art can make various changes or modifications the utility model after having read above-mentioned teachings of the present utility model, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (8)
1. lifter anchor fixing device, comprise: press anchor slab, with press parallel and the top anchor slab in anchor slab space by being threaded, at least three ground tackle hydraulic actuating cylinders and piston push rod assembly, anchor ring and steel strand fixing device, it is characterized in that, described ground tackle hydraulic actuating cylinder is distributed on the anchor ring, axially extend to form downwards by the anchor ring upper surface relative with described pressure anchor slab, the push rod of described piston protrudes upward described hydraulic actuating cylinder by hermetically-sealed construction and is connected with described pressure anchor slab, described piston push rod by hydraulic oil drive can be in hydraulic actuating cylinder up-and-down movement, carry out and clamp or unclamp the steel strand action to drive described steel strand fixing device.
2. lifter anchor fixing device according to claim 1 is characterized in that, the quantity of described at least three ground tackle hydraulic actuating cylinders and piston rod push-rod assembly is four.
3. according to claim 2 or 3 described lifter anchor fixing devices, it is characterized in that described steel strand fixing device comprises: bevelled anchor clipper is arranged in the taper hole of anchor ring central authorities; At least three anchor sheet screws, described anchor sheet screw is threaded respectively with described pressure anchor slab and described anchor clipper.
4. lifter anchor fixing device according to claim 3 is characterized in that, also comprise be used for the steel strand fixing device compress mechanism in advance, comprising: a plurality of spacers are distributed on the top anchor slab and press between the anchor slab; A plurality of locating sleeves are installed in respectively and press on the anchor slab; A plurality of set screw are threaded and the described locating sleeve of contact by top anchor slab and spacer; Holddown spring is placed in the spring base hole of top anchor slab, and the upper end of the described anchor sheet of contact screw.
5. according to claim 2 or 3 described lifter anchor fixing devices, it is characterized in that hydraulic oil is supplied with by the ground tackle oil cylinder rodless cavity and the ground tackle cylinder rod chamber that are arranged on the sidewall of hydraulic actuating cylinder upper and lower part.
6. according to claim 2 or 3 described lifter anchor fixing devices, it is characterized in that the oil circuit of described hydraulic actuating cylinder rodless cavity and hydraulic actuating cylinder rod chamber is in parallel to connect.
7. according to claim 2 or 3 described lifter anchor fixing devices, it is characterized in that, described hermetically-sealed construction comprises flange part that is installed in the hydraulic actuating cylinder upper end perforate and the sealing member that is embedded on flange part, the contact surface between sealing fluid cylinder pressure and flange, piston push rod and the flange endoporus respectively.
8. according to claim 2 or 3 described lifter anchor fixing devices, it is characterized in that described hermetically-sealed construction also comprises the sealing member that is arranged on the piston, to seal with the hydraulic actuating cylinder endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686084 CN203095551U (en) | 2012-12-12 | 2012-12-12 | Anchor pressing device of lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686084 CN203095551U (en) | 2012-12-12 | 2012-12-12 | Anchor pressing device of lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203095551U true CN203095551U (en) | 2013-07-31 |
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ID=48846970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220686084 Expired - Fee Related CN203095551U (en) | 2012-12-12 | 2012-12-12 | Anchor pressing device of lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203095551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405713A (en) * | 2014-11-27 | 2015-03-11 | 天津天海同步科技股份有限公司 | Oil way distributor for double-acting hydraulic cylinder fixture |
| CN113307171A (en) * | 2021-05-26 | 2021-08-27 | 江苏万川液压机械设备有限公司 | Anchorage device oil cylinder |
-
2012
- 2012-12-12 CN CN 201220686084 patent/CN203095551U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405713A (en) * | 2014-11-27 | 2015-03-11 | 天津天海同步科技股份有限公司 | Oil way distributor for double-acting hydraulic cylinder fixture |
| CN104405713B (en) * | 2014-11-27 | 2023-11-07 | 天津天海同步科技有限公司 | Oil way distributor of double-acting hydraulic cylinder clamp |
| CN113307171A (en) * | 2021-05-26 | 2021-08-27 | 江苏万川液压机械设备有限公司 | Anchorage device oil cylinder |
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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: 20130731 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |