CN112775653B - Adjustable four-column hydraulic drawing machine - Google Patents
Adjustable four-column hydraulic drawing machine Download PDFInfo
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- CN112775653B CN112775653B CN202110173644.0A CN202110173644A CN112775653B CN 112775653 B CN112775653 B CN 112775653B CN 202110173644 A CN202110173644 A CN 202110173644A CN 112775653 B CN112775653 B CN 112775653B
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- 238000004140 cleaning Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052742 iron Inorganic materials 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses an adjustable four-column hydraulic stretcher, which structurally comprises a base, a stretching device and a hydraulic cylinder, wherein the stretching device is fixed at the top of the base, the hydraulic cylinder is vertically arranged at the top of the stretching device, because the bolt at the bottom of the tensile force of the stretching block slightly moves to the upper part of the clamping groove and rubs with the inner wall of the clamping groove, the iron rust on the outer wall of the bolt falls off, the rust on the inner wall of the clamping groove is removed by the removing block of the removing mechanism in the clamping groove, so that the rust accumulated in the clamping groove can be reduced, the original depth of the clamping groove is kept, so that the bottom of the bolt is completely inserted into the clamping groove, the bolt can be disassembled, because the rust is accumulated at the bottom in the clamping groove and the discharging speed is slow, the movable plate moves through the matching mechanism, the air flow between the fixed plate and the movable plate is diffused, the rust at the bottom in the clamping groove is blown by the air flow, and the rust is accelerated to be discharged along the chip removal port under the action of the air flow.
Description
Technical Field
The invention belongs to the field of hydraulic pressure and equipment thereof, and particularly relates to an adjustable four-column hydraulic stretcher.
Background
The bolts are disassembled by adopting a hydraulic stretcher, the bottoms of the bolts are sleeved in clamping grooves of the supporting seat, the supporting plate is driven by the hydraulic cylinder to move downwards, and the nuts are pulled upwards by the stretching blocks at the bottoms of the supporting plate, so that the bolts which are originally sleeved together are separated; adopt hydraulic stretcher during to the tensile processing of bolt among the prior art, because the bolt outer wall after using a period has the rust, the bolt that receives tensile piece pulling force bottom slightly moves toward the draw-in groove top when the bolt, and rub with the draw-in groove inner wall, make the rust of bolt outer wall drop, along with the increase of quantity of the tensile dismantlement of bolt, the rust increases gradually and piles up in the draw-in groove, lead to the degree of depth of draw-in groove to become shallow, and the bolt bottom can not insert the draw-in groove completely, be unfavorable for dismantling the bolt.
Disclosure of Invention
In order to solve the problem that when the hydraulic stretcher is used for stretching bolts, rust is arranged on the outer walls of the bolts after the bolts are used for a period of time, when the bolts are slightly moved upwards from the clamping grooves by the tensile force of the stretching blocks and rub against the inner walls of the clamping grooves, the rust on the outer walls of the bolts falls off, and as the number of bolts to be stretched and disassembled is increased, the rust is gradually increased and accumulated in the clamping grooves, so that the depth of the clamping grooves is reduced, the bottoms of the bolts cannot be completely inserted into the clamping grooves, and the bolts cannot be disassembled easily, the adjustable four-column hydraulic stretcher is provided.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a four post hydraulic stretching machines with adjustable, its structure includes base, stretching device, pneumatic cylinder, stretching device fixes at the base top, the pneumatic cylinder is installed perpendicularly at the stretching device top.
The stretching device is provided with a supporting seat, a sliding rod, a supporting plate, a stretching block and a clamping groove, the supporting seat is located below the stretching device, the sliding rod is vertically fixed to the tops of the left end and the right end of the supporting seat, the supporting plate is sleeved on the outer wall of the sliding rod, the stretching block is installed in the middle of the bottom surface of the supporting plate, and the clamping groove is sunken in the center of the top of the supporting seat.
As a further improvement of the invention, the clamping groove is provided with a chip removal port, a clearing mechanism, a reset rod and a matching mechanism, the chip removal port penetrates through the center position of the bottom in the clamping groove, the clearing mechanism is sleeved in the clamping groove, the reset rod is clamped between the bottom surfaces of two ends of the clearing mechanism and the bottom in the clamping groove, the matching mechanism is fixed on the bottom surface of the clearing mechanism, and the chip removal port is communicated with the outer wall of the back surface of the supporting seat.
As a further improvement of the invention, the cleaning mechanism is provided with a magnetic plate, a pushing strip, a movable groove, four cleaning blocks, a connecting shaft and a telescopic strip, the magnetic plate is sleeved on the upper surface of the cleaning mechanism, the pushing strip is clamped between the bottom surface of the magnetic plate and the upper surface of the cleaning mechanism, the movable groove is formed between the surfaces of the two ends of the cleaning mechanism and the inner part of the cleaning mechanism, the inner ends of the cleaning blocks are connected and installed on the inner wall of the movable groove through the connecting shaft, the telescopic strip is connected with the outer wall of the cleaning block and the inner wall of the movable groove, and the number of the cleaning blocks is two and are symmetrically distributed.
As a further improvement of the invention, the cleaning block is provided with a support rod, a block body, a push plate, an inner groove and a swinging block, the support rod is positioned at the left end of the cleaning block, the block body and the right end of the support rod are connected into a whole, the push plate is sleeved on the upper surface of the right end of the block body, the inner groove is formed in the block body, the swinging block is hung on the inner wall of the inner groove, and the swinging block is made of metal materials.
As a further improvement of the invention, the push plate is provided with a push plate and a drainage groove, the push plate and the upper surface of the push plate are connected into a whole, the drainage groove is sunken in the middle of the upper surface of the push plate, and the drainage groove is in a smooth inclined plane shape.
As a further improvement of the invention, the matching mechanism is provided with a fixed plate, a movable plate, a connecting strip, a matching block and a telescopic tube, the fixed plate is positioned above the matching mechanism, the movable plate is suspended below the fixed plate through the connecting strip, the matching block and the bottom surface of the fixed plate are of an integrated structure, the telescopic tube is vertically arranged on the inner wall between the middle parts of the fixed plate and the movable plate and close to the outer end, the telescopic tube is of a folding tube shape made of rubber materials, and the outer walls and the inner walls of two sides of the telescopic tube are provided with through small holes.
As a further improvement of the invention, the matching block is provided with a bottom groove, push rods and three rebound plates, the bottom surface of the matching block is provided with the bottom groove, the push rods are fixed in the middle of the inner wall of the bottom groove, the rebound plates are connected with the bottom ends of the push rods, and the number of the rebound plates is three.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. because the bolt receives the slight past draw-in groove top removal of the bolt of tensile piece pulling force bottom to rub with the draw-in groove inner wall, make the iron rust of bolt outer wall drop, the iron rust of cleaing away the draw-in groove inner wall through the piece of cleaing away mechanism in the draw-in groove can reduce the iron rust and pile up in the draw-in groove, keeps the original degree of depth of draw-in groove, makes the bolt bottom insert the draw-in groove completely, can dismantle the bolt.
2. Because rust is piled up at the bottom in the draw-in groove, and the emission speed is slow, moves through the movable plate among the cooperation mechanism for the air current diffusion between fixed plate and the movable plate, the air current blows the rust of bottom in the draw-in groove, and the rust receives the effort of air current to accelerate along the bits mouth of removing to discharge.
Drawings
Fig. 1 is a schematic structural diagram of an adjustable four-column hydraulic stretcher according to the present invention.
FIG. 2 is a front view and a top view of a drawing apparatus according to the present invention.
Fig. 3 is a front sectional structural view of a card slot of the present invention.
Fig. 4 is a front sectional structural schematic view of a clearing mechanism of the present invention.
Fig. 5 is a front sectional structural schematic view of a removing block according to the present invention.
FIG. 6 is a schematic structural diagram of a push plate according to the present invention.
Fig. 7 is a front sectional structural schematic view of a mating mechanism of the present invention.
FIG. 8 is a front cross-sectional structural schematic view of a mating block of the present invention.
In the figure: a base-1, a stretching device-2, a hydraulic cylinder-3, a supporting seat-21, a sliding rod-22, a supporting plate-23, a stretching block-24, a clamping groove-25, a chip removal port-a 1, a clearing mechanism-a 2, a reset rod-a 3, a matching mechanism-a 4, a magnetic plate-s 1, a push bar-s 2, a movable groove-s 3, a clearing block-s 4 and a connecting shaft-s 5, the device comprises a telescopic strip-s 6, a support rod-d 1, a block body-d 2, a push plate-d 3, an inner groove-d 4, a swinging block-d 5, a push sheet-f 1, a drainage groove-f 2, a fixed plate-r 1, a moving plate-r 2, a connecting strip-r 3, a matching block-r 4, a telescopic tube-r 5, a bottom groove-t 1, a push rod-t 2 and a rebound plate-t 3.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 6:
the invention provides an adjustable four-column hydraulic stretcher which structurally comprises a base 1, a stretching device 2 and a hydraulic cylinder 3, wherein the stretching device 2 is fixed at the top of the base 1, and the hydraulic cylinder 3 is vertically arranged at the top of the stretching device 2.
Stretching device 2 is equipped with supporting seat 21, slide bar 22, backup pad 23, tensile piece 24, draw-in groove 25, supporting seat 21 is located stretching device 2 below, slide bar 22 vertical fixation is at both ends top about supporting seat 21, the backup pad 23 cover is at slide bar 22 outer wall, tensile piece 24 is installed in 23 bottom surfaces middle parts of backup pad, draw-in groove 25 is sunken to be put at supporting seat 21 top central point.
The clamping groove 25 is provided with a chip removal port a1, a clearing mechanism a2, a reset rod a3 and a matching mechanism a4, the chip removal port a1 penetrates through the center of the inner bottom of the clamping groove 25, the clearing mechanism a2 is sleeved inside the clamping groove 25, the reset rod a3 is clamped between the bottom surfaces of the two ends of the clearing mechanism a2 and the inner bottom of the clamping groove 25, the matching mechanism a4 is fixed on the bottom surface of the clearing mechanism a2, the chip removal port a1 is communicated with the outer wall of the back surface of the supporting seat 21, iron rust cleared by the clearing mechanism a2 flows along the chip removal port a1 and is discharged to the outside of the supporting seat 21, and iron rust accumulation at the inner bottom of the clamping groove 25 is reduced.
The cleaning mechanism a2 is provided with two magnetic plates s1, two pushing bars s2, two movable grooves s3, a cleaning block s4, two connecting shafts s5 and four telescopic bars s6, the magnetic plate s1 is sleeved on the upper surface of the cleaning mechanism a2, the pushing bar s2 is clamped between the bottom surface of the magnetic plate s1 and the upper surface of the cleaning mechanism a2, the movable grooves s3 are arranged between the two end surfaces and the inside of the cleaning mechanism a2, the inner end of the cleaning block s4 is connected and installed on the inner wall of the movable groove s3 through the connecting shaft s5, the telescopic bars s6 are connected to the outer wall of the cleaning block s4 and the inner wall of the movable groove s3, the magnetic plates s1 are provided with four magnetic plates, the contact area between the magnetic plates s1 and the bottom surface of the bolt to be disassembled can be increased, the bolt can be favorably held by magnetic force through the magnetic plates s1, the bolt can be reduced in upward movement during disassembly, iron rust can be reduced, the removal of the cleaning block s4 is symmetrically distributed, and can be favorably and uniformly contacted with the inner wall of the cleaning block s4, can fully remove the rust on the inner wall of the clamping groove 25.
The cleaning block s4 is provided with a support rod d1, a block d2, a push plate d3, an inner groove d4 and a swinging block d5, the support rod d1 is located at the left end of the cleaning block s4, the block d2 is connected with the right end of the support rod d1 into a whole, the push plate d3 is sleeved on the upper surface of the right end of the block d2, the inner groove d4 is formed inside the block d2, the swinging block d5 is hung on the inner wall of the inner groove d4, the swinging block d5 is made of metal materials and has large gravity, the swinging block d5 can swing in the inner groove d4, the swinging force of the cleaning block s4 is increased, and rust shaking and sliding of the outer wall of the push plate d3 are accelerated.
The push plate d3 is provided with a push piece f1 and a drainage groove f2, the push piece f1 is connected with the upper surface of the push plate d3 into a whole, the drainage groove f2 is sunken in the middle of the upper surface of the push plate d3, and the drainage groove f2 is smooth and inclined, so that the resistance of the drainage groove f2 to iron embroidery can be reduced, and the flowing and discharging of the iron rust along the drainage groove f2 can be accelerated.
The specific use mode and function of the embodiment are as follows:
in the invention, a bolt to be disassembled is placed in a clamping groove 25 of a supporting seat 21, a clearing mechanism a2 in the clamping groove 25 moves downwards under the action of the gravity of the bolt and pushes a reset rod a3 to contract, when a clearing mechanism a2 moves downwards, a push plate d3 in a clearing block s4 is contacted with the inner wall of the clamping groove 25, rust on the inner wall of the clamping groove 25 is cleared through a push sheet f1, meanwhile, a supporting rod d1 swings in a movable groove s3 by taking an engaging shaft s5 as a fulcrum, a telescopic strip s6 continuously pushes the clearing block s4 to swing, so that a swinging block d5 in a block d2 swings in an inner groove d4, the swinging force of the clearing block s4 is increased, the rust is favorably discharged along a flow of a drainage groove f2, the rust falls to the bottom of the clamping groove 25 and is discharged along a scrap removal port a1, when the bolt is placed at the top of the clearing mechanism a2, a1 sucks the bolt at the top of the clearing mechanism a2 by the magnetic force of the bolt by the magnetic force, and reduces the displacement when the bolt is disassembled, through pushing away the buffering of s2 when placing the bolt, reduce the impact of bolt to magnetic sheet s1, control pneumatic cylinder 3 promotes backup pad 23 and removes toward supporting seat 21 with slide bar 22 sliding fit, tensile piece 24 is dismantled with the nut pull-up of bolt, the rust of draw-in groove 25 inner wall is clear away to clearance piece s4 through clearance mechanism a2 in draw-in groove 25, can reduce the rust and pile up in draw-in groove 25, keep the original degree of depth of draw-in groove 25, make the bolt bottom insert completely in draw-in groove 25, can dismantle the bolt.
Example 2:
as shown in fig. 7 to 8:
wherein the matching mechanism a4 is provided with a fixed plate r1, a moving plate r2, a connecting bar r3, a matching block r4 and a telescopic pipe r5, the fixed plate r1 is positioned above the matching mechanism a4, the moving plate r2 is suspended below the fixed plate r1 through an engaging strip r3, the matching block r4 and the bottom surface of the fixed plate r1 are of an integrated structure, the telescopic tube r5 is vertically arranged on the inner wall between the middle parts of the fixed plate r1 and the movable plate r2 and close to the outer end, the telescopic tube r5 is a folding tube made of rubber and has the elasticity, which is beneficial to the telescopic tube r5 to generate elasticity along with the movement and deformation of the moving plate r2 and can push the moving plate r2 to reset, the outer wall and the inner wall of the two sides of the telescopic pipe r5 are provided with through small holes, so that the air flow between the fixed plate r1 and the movable plate r2 is discharged and diffused along the small holes on the outer wall of the telescopic pipe r5, and the rust in the clamping groove 25 is discharged towards the scrap discharge port a1 under the action force of the air flow.
The matching block r4 is provided with a bottom groove t1, a push rod t2 and a rebound plate t3, the bottom surface of the matching block r4 is provided with a bottom groove t1, the push rod t2 is fixed in the middle of the inner wall of the bottom groove t1, the rebound plate t3 is connected with the bottom end of the push rod t2, and the rebound plates t3 are three, so that the rebound force of the rebound plate t3 can be increased, the matching block r4 is favorable for pushing and resetting the moving plate r2, the moving plate r2 moves back and forth, and the discharge amount of air flow in the fixed plate r1 and the moving plate r2 is increased.
The specific use mode and function of the embodiment are as follows:
in the invention, as the clearing mechanism a2 moves to the bottom of the card slot 25, the moving plate r2 in the matching mechanism a4 moves to the fixed plate r1 under the pushing force of the bottom in the card slot 25, meanwhile, the moving plate r2 pushes the connecting bar r3 and the telescopic tube r5 to contract, the moving plate r2 moves continuously, the air current existing between the fixed plate r1 and the moving plate r2 is pushed to be discharged along the small hole of the telescopic tube r5, and the matching block r4 at the bottom of the fixed plate r1 enters the groove at the top of the moving plate r2, the rebound plate t3 and the push rod t2 rebound after being contracted by the thrust to push the fixed plate t1 to reset, so that the moving plate t2 moves up and down continuously to accelerate the discharge of air flow, the movable plate r2 in the matching mechanism a4 moves, so that air flow between the fixed plate r1 and the movable plate r2 is diffused, the air flow blows rust at the bottom in the clamping groove 25, and the rust is accelerated to be discharged along the chip removal port a1 under the action of the air flow.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (5)
1. The utility model provides a four post hydraulic stretching machines with adjustable, its structure includes base (1), stretching device (2), pneumatic cylinder (3), stretching device (2) are fixed at base (1) top, install perpendicularly at stretching device (2) top pneumatic cylinder (3), its characterized in that:
the stretching device (2) is provided with a supporting seat (21), a sliding rod (22), a supporting plate (23), a stretching block (24) and a clamping groove (25), the supporting seat (21) is located below the stretching device (2), the sliding rod (22) is vertically fixed to the tops of the left end and the right end of the supporting seat (21), the supporting plate (23) is sleeved on the outer wall of the sliding rod (22), the stretching block (24) is installed in the middle of the bottom surface of the supporting plate (23), and the clamping groove (25) is sunken in the center of the top of the supporting seat (21);
the chip removal device is characterized in that the clamping groove (25) is provided with a chip removal port (a 1), a removal mechanism (a 2), a reset rod (a 3) and a matching mechanism (a 4), the chip removal port (a 1) penetrates through the center of the inner bottom of the clamping groove (25), the removal mechanism (a 2) is sleeved inside the clamping groove (25), the reset rod (a 3) is clamped between the bottom surfaces of two ends of the removal mechanism (a 2) and the inner bottom of the clamping groove (25), and the matching mechanism (a 4) is fixed on the bottom surface of the removal mechanism (a 2);
clearing mechanism (a 2) is equipped with magnetic sheet (s 1), pushes away strip (s 2), activity groove (s 3), clears away piece (s 4), links up axle (s 5), expansion strip (s 6), magnetic sheet (s 1) cover is at clearing mechanism (a 2) upper surface, it presss from both sides between magnetic sheet (s 1) bottom surface and clearing mechanism (a 2) upper surface to push away strip (s 2), activity groove (s 3) is seted up between clearing mechanism (a 2) both ends surface and inside, it installs at activity groove (s 3) inner wall through linking up axle (s 5) to clear away piece (s 4) inner end, expansion strip (s 6) are connected and are being clear away piece (s 4) outer wall and activity groove (s 3) inner wall.
2. The adjustable four-column hydraulic drawing machine according to claim 1, wherein: the cleaning block (s 4) is provided with a support rod (d 1), a block body (d 2), a push plate (d 3), an inner groove (d 4) and a swinging block (d 5), the support rod (d 1) is located at the left end of the cleaning block (s 4), the block body (d 2) is connected with the right end of the support rod (d 1) into a whole, the push plate (d 3) is sleeved on the upper surface of the right end of the block body (d 2), the inner groove (d 4) is formed in the block body (d 2), and the swinging block (d 5) is hung on the inner wall of the inner groove (d 4).
3. The adjustable four-column hydraulic drawing machine according to claim 2, wherein: the push plate (d 3) is provided with a push plate (f 1) and a drainage groove (f 2), the push plate (f 1) is connected with the upper surface of the push plate (d 3) into a whole, and the drainage groove (f 2) is sunken in the middle of the upper surface of the push plate (d 3).
4. The adjustable four-column hydraulic drawing machine according to claim 1, wherein: cooperation mechanism (a 4) is equipped with fixed plate (r 1), movable plate (r 2), links up strip (r 3), cooperation piece (r 4), flexible pipe (r 5), fixed plate (r 1) are located cooperation mechanism (a 4) top, movable plate (r 2) hang in fixed plate (r 1) below through linking up strip (r 3), cooperation piece (r 4) and fixed plate (r 1) bottom surface structure as an organic whole, flexible pipe (r 5) are installed perpendicularly at fixed plate (r 1) and movable plate (r 2) middle part and are leaned on the inner wall between the outer end.
5. The adjustable four-column hydraulic drawing machine according to claim 4, wherein: the matching block (r 4) is provided with a bottom groove (t 1), a push rod (t 2) and a rebound plate (t 3), the bottom surface of the matching block (r 4) is provided with a bottom groove (t 1), the push rod (t 2) is fixed in the middle of the inner wall of the bottom groove (t 1), and the rebound plate (t 3) is connected with the bottom end of the push rod (t 2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173644.0A CN112775653B (en) | 2021-02-06 | 2021-02-06 | Adjustable four-column hydraulic drawing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173644.0A CN112775653B (en) | 2021-02-06 | 2021-02-06 | Adjustable four-column hydraulic drawing machine |
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| CN112775653A CN112775653A (en) | 2021-05-11 |
| CN112775653B true CN112775653B (en) | 2022-04-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6666064B2 (en) * | 2002-04-19 | 2003-12-23 | Fci Americas Technology, Inc. | Portable hydraulic crimping tool |
| CN101214612A (en) * | 2007-12-28 | 2008-07-09 | 李正华 | Processing equipment for paw chain diamond setting |
| CN203917282U (en) * | 2014-07-01 | 2014-11-05 | 温州海蓝工业设计有限公司 | Cleaning seperator after a kind of rotary type bolt nut rust cleaning |
| CN105798599B (en) * | 2016-05-05 | 2017-09-29 | 国家电网公司 | A kind of base ring tensile bolt dismounts Liftable and movable hydraulic trolley |
| CN207325694U (en) * | 2017-07-20 | 2018-05-08 | 上海倍宁汽车零部件有限公司 | Hydraulic press |
| CN209141504U (en) * | 2018-04-27 | 2019-07-23 | 建湖县博奥液压机械制造有限公司 | A kind of adjustable four columns hydraulic tensioner |
| CN111687249A (en) * | 2020-05-11 | 2020-09-22 | 孙逸民 | Hydraulic punching machine |
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Effective date of registration: 20220402 Address after: 063700 west of Du Zhuang Cun, hazelnut Town, luanzhou City, Tangshan City, Hebei Province Applicant after: Tangshan Juma mechanical equipment Co.,Ltd. Address before: 122000 No.1, section 3, Xinhua Road, Shuangta District, Chaoyang City, Liaoning Province Applicant before: Fan Chuhong |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |