CN219025796U - Hydraulic cotton gin with double-oil-way hinge structure and automatic loosening function - Google Patents

Hydraulic cotton gin with double-oil-way hinge structure and automatic loosening function Download PDF

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Publication number
CN219025796U
CN219025796U CN202223380127.XU CN202223380127U CN219025796U CN 219025796 U CN219025796 U CN 219025796U CN 202223380127 U CN202223380127 U CN 202223380127U CN 219025796 U CN219025796 U CN 219025796U
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clamping piece
fixing seat
oil
hinge structure
jacking
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谭江涛
林居章
尹海宜
钟华
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LIUZHOU VLM PRESTRESSING CO Ltd
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LIUZHOU VLM PRESTRESSING CO Ltd
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Abstract

The utility model discloses a hydraulic gin with a double-oil-way hinge structure and an automatic loosening and clamping mechanism, which comprises a double-oil-way jacking jack, a lightweight hinge structure frame and an automatic clamping piece loosening and clamping mechanism; the double-oil-way jacking jack is arranged at the top of the lightweight hinge structure frame, the automatic clamping piece loosening and clamping mechanism is arranged at the bottom of the lightweight structure frame, the automatic clamping piece loosening and clamping mechanism comprises a left clamping piece and a right clamping piece used for clamping steel strands, the lightweight hinge structure frame comprises a left clamping piece fixing seat and a right clamping piece fixing seat, one end of the left clamping piece fixing seat and one end of the right clamping piece fixing seat are provided with side connecting rods, the side connecting rods are hinged to the left clamping piece fixing seat and the right clamping piece fixing seat, a powerful clamping spring is arranged between the left clamping piece fixing seat and the right clamping piece fixing seat, the double-oil-way jacking jack comprises a jacking piston, and one end of the jacking piston, far away from the jacking cylinder, is fixedly connected with a jacking head, and realizes automatic loosening and clamping through a hinge structure.

Description

Hydraulic cotton gin with double-oil-way hinge structure and automatic loosening function
Technical Field
The utility model relates to the technical field of prestressed steel strand ginning anchors, in particular to a hydraulic gin with a double-oil-way hinge structure and an automatic loosening function.
Background
The most of the existing prestress steel strand gin is basically composed of a hydraulic oil cylinder, an anchor plate rack and a clamping piece loosening mechanism, wherein the hydraulic oil cylinder is of a double-oil-way structure, a double-oil-way oil pump is correspondingly required to be provided, reversing, pressure maintaining and other components are additionally provided, and oil ways are relatively complex; the clamping piece is manually loosened and clamped through a structure of a spanner and a spring, such as a hydraulic gin with a single oil way and automatic return stroke and clamping of 202111332521.3, a single oil way is provided with an oil pump oil hole, two oil holes of a chuck oil hole and a hydraulic power source shared by the jacking jack, a large inner hole is formed in a jacking piston and used for placing a return tension spring, the automatic return stroke is realized, the chuck jack is provided with a return pressure spring, the movable chuck can be automatically returned to loosen, the requirement on the structural function of a matched oil pump is high, the price is high, the construction operation is relatively complex and inconvenient, and the automatic gin with the clamping oil pump is required to be simple in structure, easy to construct and operate and convenient to replace and maintain.
Therefore, a hydraulic gin with a double-oil-way hinge structure and automatic loosening and clamping functions is provided.
Disclosure of Invention
The utility model aims to provide a hydraulic gin with a double-oil-way hinge structure and automatic loosening, which solves the problems of the prior art, and has the advantages of simpler structure function, convenience in replacement and maintenance of parts and simple and convenient construction operation.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a hydraulic gin with a double-oil-way hinge structure and automatic loosening and clamping functions, which is characterized by comprising a double-oil-way jacking jack, a lightweight hinge structure frame and an automatic clamping piece loosening and clamping mechanism;
the double-oil-way jacking jack is arranged at the top of the lightweight hinge structure frame, the automatic clamping piece loosening and clamping mechanism is arranged at the bottom of the lightweight hinge structure frame, the automatic clamping piece loosening and clamping mechanism comprises a left clamping piece and a right clamping piece used for clamping steel strands, the lightweight hinge structure frame comprises a left clamping piece fixing seat and a right clamping piece fixing seat, one end of the left clamping piece fixing seat and one end of the right clamping piece fixing seat are provided with a side connecting rod, the side connecting rod is hinged to the left clamping piece fixing seat and the right clamping piece fixing seat, a powerful clamping spring is arranged between the left clamping piece fixing seat and the right clamping piece fixing seat, the double-oil-way jacking jack comprises a jacking piston, and one end of the jacking piston, which is far away from a jacking cylinder, is fixedly connected with a jacking head.
Preferably, the lightweight hinge structure frame further comprises a loose clamp pulling plate, the top pressing piston comprises a piston head and a piston rod, the top of the loose clamp pulling plate is sleeved on the piston rod, and the bottom of the loose clamp pulling plate is hinged with the other ends of the left clamping piece fixing seat and the right clamping piece fixing seat.
Preferably, the hole at the top of the loose clamping pull plate is a light hole, and the diameter of the light hole is larger than or equal to the diameter of the piston rod and smaller than the diameter of the piston head.
Preferably, an inner hole for placing the steel strand is arranged in the top pressure head.
Preferably, the lightweight hinge structure frame further comprises a jack fixing seat, wherein the jack fixing seat is
Figure SMS_1
The middle part of the jack fixing seat is provided with a screw hole which is in threaded connection with the double-oil-way jacking jack, and two ends of the jack fixing seat are hinged with the other end of the side connecting rod through hinge pin shafts respectively.
Preferably, the side center shafts of the left clamping piece and the right clamping piece are provided with right triangle teeth or inverted triangle tooth threaded holes.
Preferably, the double-oil-way jacking jack further comprises a jacking oil cylinder, two oil holes are formed in the side edges of the jacking oil cylinder, the jacking piston is arranged in the jacking oil cylinder, and threads matched with the screw holes of the jack fixing seat are formed in the outer circle of the opening end of the oil pipe of the jacking piston.
Preferably, the left clamping piece fixing seat and the right clamping piece fixing seat are L-shaped, the left clamping piece fixing seat and the right clamping piece fixing seat are arranged back to back, and the left clamping piece and the right clamping piece are respectively fixed on the left clamping piece fixing seat and the right clamping piece fixing seat along the direction parallel to the steel stranded wires.
Preferably, the left clamping piece and the right clamping piece are made of high-strength high-hardness carbonitriding 20CrMnTi materials.
Preferably, the loose clip pulling plate is made of rigid materials.
Compared with the prior art, the utility model has the following technical effects:
(1) The double-oil-way jacking jack is arranged at the top of a light hinge structure frame, the automatic loosening structure is arranged at the bottom of the light hinge structure and comprises a left clamping piece and a right clamping piece, the light hinge structure frame comprises a left clamping piece fixing seat and a right clamping piece fixing seat which are respectively hinged with side connecting rods on two sides, a powerful clamping spring is arranged between the left clamping piece fixing seat and the right clamping piece fixing seat, the double-oil-way jacking jack comprises a jacking head, and automatic loosening is realized under the combined action of the jacking jack and the hinge structure.
(2) In order to enable the automatic loose clamping effect to be better, the automatic loose clamping device is further provided with a loose clamping pull plate, the top of the loose clamping pull plate is sleeved on the piston rod, the bottom of the loose clamping pull plate is hinged to the left clamping piece fixing seat and the right clamping piece fixing seat, the loose clamping pull plate enables the left clamping piece and the right clamping piece of the piston rod to be clamped tightly in the downward process, the opening angle between the left clamping piece and the right clamping piece of the piston rod in the upward process is larger, and the taking and placing of the steel strands are facilitated.
(3) The steel strand embossing machine can adapt to the embossing of steel strands with different specifications by replacing the matched jacking head, the left clamping piece and the right clamping piece, is convenient to maintain and saves the use cost.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view taken in the direction of FIG. 1 A-A;
FIG. 3 is a sectional view taken in the direction B-B in FIG. 1;
FIG. 4 is a schematic view of the left and right clip structures;
FIG. 5 is a cross-sectional view taken in the direction C-C of FIG. 4;
FIG. 6 is a schematic view of an initial state of taking and placing a steel strand;
FIG. 7 is a cross-sectional view of FIG. 6;
FIG. 8 is a schematic diagram of the working state of the clamping steel strand;
FIG. 9 is a cross-sectional view of FIG. 8;
FIG. 10 is a finish state of the embossing of the steel strand;
fig. 11 is a cross-sectional view of fig. 10.
1, jacking an oil cylinder; 2. pushing the piston; 3. a jack fixing seat; 4. a hinge pin; 5. a pressing head; 6. a side link; 7. a loose clip pulling plate; 8. a strong clamping tension spring; 9. a left clamping piece; 10. a right clamping piece; 11. a left clamping piece fixing seat; 12. a right clamping piece fixing seat; 13. jacking the oil inlet hole; 14. a return oil outlet hole; 15. a piston head; 16. a piston rod; 17. and (5) steel strand wires.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings and the detailed description of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-11, the embodiment provides a hydraulic gin with an automatic loosening clamp of a double-oil-way hinge structure, which comprises a double-oil-way jacking jack, a lightweight hinge structure frame and an automatic clamping piece loosening clamp mechanism, wherein the double-oil-way jacking jack comprises a jacking piston 2, the jacking piston 2 comprises a piston head 15 always positioned in a jacking cylinder 1 and a piston rod 16 connected with the piston head 15, one end of the piston rod 16, far away from the jacking cylinder 1, is provided with a jacking head 5, the jacking head 5 is in threaded connection with the piston rod 16, and an inner hole for placing a steel strand 17 is arranged in the jacking head 5;
the lightweight hinge structure frame comprises a jack fixing seat 3 and a side connecting rod 6, wherein the jack fixing seat 3 is
Figure SMS_2
The middle part of the jack fixing seat 3 is provided with a threaded hole which is matched with the threads of the double-oil-way jacking jack, two ends of the jack fixing seat 3 are respectively hinged with the side connecting rod 6 through a hinge pin 4, two oil holes are formed in the side edge of the jacking oil cylinder 1 and are respectively a jacking oil inlet hole 13 and a return oil outlet hole 14, and the excircle of the opening end of an oil pipe of the jacking piston 2 is provided with threads matched with the threads of the jack fixing seat 3.
The automatic clamping loosening mechanism comprises a left clamping piece 9, a right clamping piece 10, a left clamping piece fixing seat 11 and a right clamping piece fixing seat 12, wherein the left clamping piece 9 and the right clamping piece are respectively fixed on the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12, a right triangle tooth or an inverted triangle tooth threaded hole is formed in the middle shaft of the side face of the left clamping piece 9 and the right clamping piece 10 and used for clamping a steel strand 17, a powerful clamping tension spring 8 is arranged between the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12, one ends of the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 are connected together through a hinge pin 4, the other ends of the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 are respectively hinged with a side connecting rod 6, the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 are arranged in a back-to-back mode, the left clamping piece 9 and the right clamping piece fixing seat 10 are respectively fixed on the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 in a direction parallel to the steel strand 17, and the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 in an L-shaped mode can be used for enabling the left clamping piece 9 and the right clamping piece fixing seat 10 to be well to be fixed, so that clamping of a steel strand 17 is convenient to be better, and clamping effect is better.
In order to make the automatic loose effect better, still be provided with a loose clamp arm-tie 7 between left clamping piece fixing base 11 and right clamping piece fixing base 12, the bottom of loose clamp arm-tie 7 is in the same place with left clamping piece fixing base 11 and right clamping piece fixing base 12 hinge, the top of loose clamp arm-tie 7 overlaps on piston rod 16, preferably, the hole on the loose clamp arm-tie 7 is the unthreaded hole, and the diameter of this unthreaded hole is greater than or equal to the diameter of piston rod 16, be less than the diameter of roof pressure head 5, in order to make overall structure lighter, loose clamp arm-tie 7 partial structure is hollow structure, and this loose clamp arm-tie 7 can not cause the interference to the side connecting rod 6 of both sides, loose clamp arm-tie 7 in this embodiment selects L shape structure, left clamping piece 9 and right clamping piece 10 select for use high strength high rigidity carbonitriding 20CrMnTi material, loose clamp arm-tie 7 selects for use rigid material.
When in use, the hydraulic gin with the double-oil-way hinge structure and the automatic loosening clamp can be divided into three working states: the first working state is that the steel strand 17 is in an initial state of taking and placing; the second working state is the working state when the steel strand 17 is clamped; the third working state is the embossing completion state of the steel strand 17. Firstly, left clamping piece 9 and right clamping piece 10 at the bottom are in an open state, at the moment, piston rod 16 returns to the bottom, loose clamping pulling plate 7 is pulled by hinge pin 4 and overcomes the tension of powerful clamping tension spring 8, left clamping piece fixing seat 11 and right clamping piece fixing seat 12 are pulled, left clamping piece 9 and right clamping piece 10 are loosened, steel strand 17 is placed in a hydraulic gin with a double-oil-way hinge structure and automatic loose clamping, one end of steel strand 17 is placed in an inner hole of top pressing head 5, and the other part is placed between left clamping piece 9 and right clamping piece 10; secondly, the piston rod 16 extends out of a certain stroke, at this time, the left clamping piece 9 and the right clamping piece 10 are in a clamping state, the left clamping piece fixing seat 11, the right clamping piece fixing seat 12 and the loose clamping pull plate 7 are in a relatively fixed state, the loose clamping pull plate 7 does not move downwards any more, the left clamping piece 9 and the right clamping piece 10 tightly clamp the steel strand 17, and the left clamping piece 9 and the right clamping piece 10 are clamped more tightly by the loose clamping pull plate 7 in the extending process of the piston rod 16; finally, the piston rod 16 continues to extend until the extension is completed, the left clamping piece fixing seat 11, the right clamping piece fixing seat 12, the left clamping piece 9 and the right clamping piece 10 are deeply clamped with the steel stranded wires 17 under the stress of the hinge structure, the steel stranded wires 17 are completely deformed into a pear-shaped scattered flower structure by the jacking head 5, at the moment, one end of the steel stranded wires 17 positioned in the jacking head 5 is expanded, the steel stranded wires 17 give the jacking head 5 an upward thrust, the steel stranded wires 17 move upwards to drive the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 to slightly expand, at the moment, under the action of the return oil outlet 14, the piston rod 16 returns, as the top of the loose clamping plate 7 is sleeved on the piston rod 16, the hole diameter of the loose clamping plate 7 is larger than or equal to the diameter of the piston rod 16, the diameter of the jacking head 5 is smaller than the diameter of the piston rod 16, the piston rod 16 is in threaded connection with the jacking head 5, in the process of upward movement of the piston rod 16, the jacking head 5 can give a thrust to the loose clamping plate 7, the loose clamping plate 7 is driven to move upwards, the loose clamping plate 7 is made of a rigid material, and when the top moves upwards, the top of the loose clamping plate 7 moves upwards, the bottom of the loose clamping plate 7 also moves upwards, the left clamping plate 11 and the left clamping piece fixing seat 12 are made of rigid material, the left clamping piece fixing seat and the left clamping piece fixing seat and the left clamping piece are more convenient, and the left clamping piece are further moved, and the left clamping piece are further upwards and the clamping piece, and the clamping piece is convenient.
Under the action of the double-oil-way jacking jack, the left clamping piece 9 and the right clamping piece are fixed on the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 which are hinged with each other, the powerful clamping tension spring 8 is arranged between the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12, automatic loose clamping in the embossing process of the steel strand 17 is realized, and the loose clamping pulling plate 7 which is hinged with the left clamping piece fixing seat 11 and the right clamping piece fixing seat 12 is arranged for more conveniently taking and placing the steel strand 17; the steel strand embossing with different specifications can be adapted by replacing the matched jacking head 5, the left clamping piece 9 and the right clamping piece 10, so that the maintenance is convenient, and the use cost is saved; the light-weight structural design is adopted, so that the device is more convenient and labor-saving.
The adaptation to the actual need is within the scope of the utility model.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The hydraulic cotton gin with the double-oil-way hinge structure is characterized by comprising a double-oil-way jacking jack, a lightweight hinge structure frame and an automatic clamping piece loosening mechanism;
the double-oil-way jacking jack is arranged at the top of the lightweight hinge structure frame, the automatic clamping piece loosening and clamping mechanism is arranged at the bottom of the lightweight hinge structure frame, the automatic clamping piece loosening and clamping mechanism comprises a left clamping piece and a right clamping piece used for clamping steel strands, the lightweight hinge structure frame comprises a left clamping piece fixing seat and a right clamping piece fixing seat, one end of the left clamping piece fixing seat and one end of the right clamping piece fixing seat are provided with a side connecting rod, the side connecting rod is hinged to the left clamping piece fixing seat and the right clamping piece fixing seat, a powerful clamping spring is arranged between the left clamping piece fixing seat and the right clamping piece fixing seat, the double-oil-way jacking jack comprises a jacking piston, and one end of the jacking piston, which is far away from a jacking cylinder, is fixedly connected with a jacking head.
2. The hydraulic gin with the double-oil-way hinge structure for automatically loosening clamps according to claim 1, wherein the lightweight hinge structure frame further comprises a loosening clamp pulling plate, the jacking piston comprises a piston head and a piston rod, the top of the loosening clamp pulling plate is sleeved on the piston rod, and the bottom of the loosening clamp pulling plate is hinged with the other ends of the left clamping piece fixing seat and the right clamping piece fixing seat.
3. The hydraulic gin with the double-oil-way hinge structure for automatically loosening clamps according to claim 2, wherein the holes at the top of the loosening clamp pulling plate are smooth holes, and the diameter of the smooth holes is larger than or equal to the diameter of the piston rod and smaller than the diameter of the piston head.
4. The hydraulic gin with automatic double-oil-way hinge structure loosening clamp of claim 3, wherein an inner hole for placing a steel strand is arranged in the top pressure head.
5. The hydraulic gin with automatic double-oil-way hinge structure loosening clamp of claim 4, wherein the lightweight hinge structure frame further comprises a jack fixing seat, and the jack fixing seat is
Figure QLYQS_1
The middle part of the jack fixing seat is provided with a screw hole which is in threaded connection with the double-oil-way jacking jack, and two ends of the jack fixing seat are hinged with the other end of the side connecting rod through hinge pin shafts respectively.
6. The hydraulic gin with the double-oil-way hinge structure capable of automatically loosening clamps according to claim 5, wherein the side central shafts of the left clamping piece and the right clamping piece are provided with right triangle teeth or inverted triangle tooth threaded holes.
7. The hydraulic gin with the double-oil-way hinge structure for automatically loosening and clamping according to claim 6, wherein two oil holes are formed in the side edge of the jacking oil cylinder, the jacking piston is arranged in the jacking oil cylinder, and threads matched with screw holes of the jack fixing seat are formed in the outer circle of the opening end of the oil pipe of the jacking piston.
8. The hydraulic gin with automatic double-oil-way hinge structure loosening function according to any one of claims 2-7, wherein the left clamping piece fixing seat and the right clamping piece fixing seat are L-shaped, the left clamping piece fixing seat and the right clamping piece fixing seat are arranged back to back, and the left clamping piece and the right clamping piece are respectively fixed on the left clamping piece fixing seat and the right clamping piece fixing seat along a direction parallel to a steel strand.
9. The hydraulic gin with automatic double-oil-way hinge structure loosening clamp according to claim 8, wherein the left clamping piece and the right clamping piece are made of high-strength high-hardness carbonitriding 20CrMnTi material.
10. The hydraulic gin with automatic double-oil-way hinge structure for loosening clamps according to claim 9, wherein the loosening clamp pulling plate is made of rigid materials.
CN202223380127.XU 2022-12-16 2022-12-16 Hydraulic cotton gin with double-oil-way hinge structure and automatic loosening function Active CN219025796U (en)

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CN202223380127.XU CN219025796U (en) 2022-12-16 2022-12-16 Hydraulic cotton gin with double-oil-way hinge structure and automatic loosening function

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Application Number Priority Date Filing Date Title
CN202223380127.XU CN219025796U (en) 2022-12-16 2022-12-16 Hydraulic cotton gin with double-oil-way hinge structure and automatic loosening function

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