CN105065775A - Ejector rod device - Google Patents

Ejector rod device Download PDF

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Publication number
CN105065775A
CN105065775A CN201510438153.9A CN201510438153A CN105065775A CN 105065775 A CN105065775 A CN 105065775A CN 201510438153 A CN201510438153 A CN 201510438153A CN 105065775 A CN105065775 A CN 105065775A
Authority
CN
China
Prior art keywords
sleeve pipe
pin
groove
lift arrangement
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510438153.9A
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Chinese (zh)
Inventor
周华义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huainan Mining Group Co Ltd
Original Assignee
Huainan Mining Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huainan Mining Group Co Ltd filed Critical Huainan Mining Group Co Ltd
Priority to CN201510438153.9A priority Critical patent/CN105065775A/en
Publication of CN105065775A publication Critical patent/CN105065775A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028Laying or reclaiming pipes on land, e.g. above the ground in the ground
    • F16L1/036Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/06Accessories therefor, e.g. anchors
    • F16L1/09Accessories therefor, e.g. anchors for bringing two tubular members closer to each other

Abstract

The invention provides an ejector rod device. The ejector rod device comprises a first sleeve, a second sleeve and a chain block, wherein a groove is designed in the middle of the first sleeve; the first end of the second sleeve is slidably mounted in the first sleeve in a sleeve mode; a first lifting ring is fixed to the first end of the second sleeve; the sliding direction of the first lifting ring in the groove and the sliding direction of the second sleeve are the same; a second lifting ring which corresponds to the first lifting ring is fixed to the pipe wall of the second end of the first sleeve; the chain block is fixedly connected with the first lifting ring through an upper lifting hook group and fixedly connected with the second lifting ring through a lower lifting hook group; the second end of the second sleeve is used for lifting a to-be-lifted object. By means of the technical scheme, the problem of inaccurate butt joint of openings during mounting of a refrigeration pipeline can be solved, and the safety factor of installation of the refrigeration pipeline is improved.

Description

Pin-lift arrangement
Technical field
The present invention relates to mechanical engineering technical field, particularly relate to a kind of pin-lift arrangement.
Background technique
In the process of coal mining, along with the increase of the pit mining degree of depth, the rising of rock temperature, exploitation and the temperature in driving face, also in continuous rising, have even occurred that the temperature of many working surfaces is more than 28 DEG C, individually up to the situation of 34 DEG C.At present, achievement in research both domestic and external display, when the temperature in underground work place is more than 28 DEG C, just can produce significantly impact to health, makes that the body temperature of operating personnel raises, water-electrolyte metabolism gets muddled.
Present stage, the main combined cooling, heat and power System that adopts makes refrigeration pipe be follow-up to exploitation working surface to reduce the impact that in mine, heat evil is brought.Concrete, first draw needling at top, tunnel and place I-steel crossbeam, be secondly fixed on this hitch by I-steel crossbeam, finally recycling chain block hangs onto refrigeration pipe on I-steel crossbeam and assembles.This method effectively reduces the temperature in mine to a certain extent, ensure that operating personnel's in mine is healthy.
But, due to whole consistent level that the height of crossbeam can not be installed, and I-steel crossbeam is from the narrow space at top, tunnel, use during chain block lifting refrigeration pipe and do not lift by crane stroke, therefore, be difficult to the Pan Kou of refrigeration pipe to aim at, safety coefficient when refrigeration pipe is installed is low.
Summary of the invention
The invention provides a kind of pin-lift arrangement, refrigeration pipe installation hour indicator mouth can be solved and dock coarse problem, improve safety coefficient when refrigeration pipe is installed.
A kind of pin-lift arrangement provided by the invention, comprising: the first sleeve pipe, the second sleeve pipe and chain block;
The medium position of described first sleeve pipe offers a groove, the first end of described second sleeve pipe is slidably sleeved in described first sleeve pipe, the first end of described second sleeve pipe is fixed with the first suspension ring, and the glide direction of described the first suspension ring in described groove is consistent with the glide direction of described second sleeve pipe; The tube wall of described first sleeve pipe second end is fixed with second hoisting ring corresponding with described the first suspension ring; Described chain block is fixedly connected with described the first suspension ring by hook group, is fixedly connected with described second hoisting ring by lower suspension hook group, and the second end of described second sleeve pipe is used for lifting thing to be lifted.
In one embodiment of this invention, the second end of described second sleeve pipe is provided with supporting spring, and described supporting spring conforms to the radian of thing described to be lifted.
In the above embodiment of the present invention, the first end of described first sleeve pipe is fixed with base.
In another embodiment of the invention, the distance between described the first suspension ring and described second sleeve pipe second end is greater than the distance of described groove first end and described first sleeve pipe second end.
In the above embodiment of the present invention, the length of described first sleeve pipe and described second sleeve pipe is 2 meters, and the nozzle diameter of described first sleeve pipe is 4 inches, and the nozzle diameter of described second sleeve pipe is 2 inches.
In the above embodiment of the present invention, described groove is rectangle groove, and described rectangle groove is 200 millimeters apart from the distance at described first sleeve pipe two ends, and the width of described rectangle groove is 30 millimeters, and length is 1.6 meters.
In another embodiment of the present invention, the tube wall of described first sleeve pipe and described second sleeve pipe also offers at least one positioning pin hole respectively.
In the above embodiment of the present invention, the described positioning pin hole on described first set tube wall is opened on tube wall corresponding to described groove.
Pin-lift arrangement provided by the invention, by offering groove at the medium position of the first sleeve pipe, the second sleeve first end being fixed with the first suspension ring is slidably sleeved in the first sleeve pipe, by second hoisting ring corresponding with these the first suspension ring fixing on the tube wall of the first sleeve pipe second end, it is fixedly connected with the second hoisting ring with the first suspension ring respectively with lower suspension hook group by the hook group of chain block, the second sleeve pipe after being fixedly connected with can slide up and down in the first sleeve pipe along with the chain that pulls of chain block, and then make the second end of the second sleeve pipe that suitable position is delivered in thing act to be lifted, solve refrigeration pipe installation hour indicator mouth and dock coarse problem, improve safety coefficient when refrigeration pipe is installed.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of pin-lift arrangement embodiment one of the present invention;
Fig. 2 is the structural representation of pin-lift arrangement embodiment two of the present invention;
Fig. 3 is the making schematic diagram of pin-lift arrangement embodiment two of the present invention.
Description of reference numerals:
1: the first sleeve pipe;
2: the second sleeve pipes;
3: chain block;
4: groove;
5: the first suspension ring;
6: the second hoisting rings;
7: supporting spring;
8: base;
9: positioning pin hole;
31: hook group;
32: lower suspension hook group;
33: manual-chain;
34: hoisting chain.
Embodiment
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Colliery is the mankind in the region of mining area exploitation coal resources of being rich in coal, and most coal seam is all away from earth's surface.Therefore, dig a mine at coal field, and dig a tunnel in the bottom of mine, in this tunnel, carry out operation can realize the exploitation driving of working surface and the exploitation of coal.
But, in the process of coal mining, along with the increase of the pit mining degree of depth, the rising of rock temperature, exploitation and the temperature in driving face are also in continuous rising, make the environment heat evil in mine day by day serious, even occurred that the temperature of many working surfaces is more than 28 DEG C, individually up to the situation of 34 DEG C.At present, achievement in research display both domestic and external, when the temperature of operating location under mine is more than 28 DEG C, just can produce obviously impact to health, such as, the body temperature of operating personnel can be made to raise, the water-electrolyte metabolism situation of health is caused to get muddled, finally cause all a large amount of dehydrations because of hot and humid such as the circulatory system of operating personnel, digestive system, urinary system, nervous system, change its normal function, even cause the generation of various disease.Further, the achievement in research of the former Soviet Union also shows: when down-hole temperature is often above standard temperature (26 DEG C) 1 DEG C, the labour productivity of staff just can decline 6% ~ 8%.
At present, in order to reduce the impact that causes of mine environment heat evil, most colliery has started the cooling well engineering based on combined cooling, heat and power System, and the vital interests of this project and worker are in close relations.Coming into operation of this combined cooling, heat and power System, reduces the temperature in mine to a certain extent, ensure that operating personnel's in mine is healthy.
Above-mentioned combined cooling, heat and power System mainly utilizes the object of installing refrigeration pipe to realize in mine and reducing ore deposit well temperature, and where fully mechanized mining face is advanced to, and where refrigeration pipe also just must be follow-up to.Therefore, the installation of refrigeration pipe is the most important thing in work, but again because refrigeration pipe is thicker, in order to the unobstructed operation of support vehicles and the safety of pedestrian, refrigeration pipe can not be placed in underground, so refrigeration pipe must be placed in the tip position in tunnel, this brings certain difficulty to the installation of refrigeration pipe.
The concrete methods of realizing utilizing combined cooling, heat and power System to carry out mine cooling can be summarized as: first, draws needling be used for placing I-steel crossbeam at top, tunnel; Secondly, I-steel crossbeam is hung and is fixed on hitch; Finally, refrigeration pipe hangs onto on I-steel crossbeam and assembles by recycling chain block.In this installation method, the impossible all consistent level of installation height due to I-steel crossbeam, add the narrow space at I-steel crossbeam distance top, tunnel, stroke is not lifted by crane when lifting cannot take root or use chain block to lift by crane refrigeration pipe, so, be difficult to the Pan Kou of refrigeration pipe to aim at, safety coefficient when causing refrigeration pipe to be installed is low.
Above shortcomings when installing for refrigeration pipe in existing combined cooling, heat and power System, the present invention proposes a kind of pin-lift arrangement, can solve refrigeration pipe installation hour indicator mouth and dock coarse problem.
The pin-lift arrangement that the present invention proposes, not only can be applied to the installation of the installation of refrigeration pipe in mine laneway, the U-shaped canopy in top, tunnel, can also be applied to lifting of the local weight of the narrow space such as indoor or basement.When lifting by crane in time lifting thing, utilize this pin-lift arrangement thing to be lifted can be lifted suitable position.What deserves to be explained is, the present invention does not limit application scenarios and the application space of this pin-lift arrangement, and the present invention is just that example is described for lifting refrigeration pipe.
Fig. 1 is the structural representation of pin-lift arrangement embodiment one of the present invention.As shown in Figure 1, pin-lift arrangement provided by the invention, comprising: the first sleeve pipe 1, second sleeve pipe 2 and chain block 3.
The medium position of the first sleeve pipe 1 offers a groove 4, the first end of the second sleeve pipe 2 is slidably sleeved in the first sleeve pipe 1, the first end of the second sleeve pipe 2 is fixed with the first suspension ring 5, and the glide direction of these the first suspension ring 5 in groove 4 is consistent with the glide direction of the second sleeve pipe 2; The tube wall of the first sleeve pipe 1 second end is fixed with second hoisting ring 6 corresponding with the first suspension ring 5; Chain block 3 is fixedly connected with the first suspension ring 5 by hook group 31, is fixedly connected with the second hoisting ring 6 by lower suspension hook group 32, and the second end of the second sleeve pipe 2 is used for lifting thing to be lifted.
Concrete, the assembling method of this pin-lift arrangement can be summarized as:
(1) select measured first sleeve pipe 1 and the second sleeve pipe 2 of pachydermia matter, and the external diameter of the second sleeve pipe 2 is less than the internal diameter of the first sleeve pipe 1;
(2) groove 4 is offered at the medium position of the first sleeve pipe 1;
(3) first end of the second sleeve pipe 2 is slidably sleeved in the first sleeve pipe 1, the first suspension ring 5 is put into the groove 4 of the first sleeve pipe 1, and these the first suspension ring 5 are fixed on the first end of the second sleeve pipe 2;
Concrete, one end of these the first suspension ring 5 is fixed on the second sleeve pipe 2, and the other end exposes outside groove 4, and the first suspension ring 5 do synchronous slide with the second sleeve pipe 2 in this groove 4.The means of fixation of the first suspension ring 5 and the second sleeve pipe 2 can be the form of welding, or other forms, and the present invention does not limit this.
(4) fixing second hoisting ring 6 corresponding with the first suspension ring 5 on the tube wall of the first sleeve pipe 1 second end;
(5) utilize the hook group 31 of chain block 3 and lower suspension hook group 32, chain block 3 is fixedly connected with the second hoisting ring 6 with the first suspension ring 5 respectively;
Because the first suspension ring 5 are fixed on the first end of the second sleeve pipe 2, second hoisting ring 6 is fixed on the tube wall of the first sleeve pipe 1 second end, and the relative position of the first suspension ring 5 and the second hoisting ring 6 on the same axis, so, by pulling the manual-chain 33 of chain block 3 that the hoisting chain 34 between hook group 31 and lower suspension hook group 32 can be made to move up, and then drive the second sleeve pipe 2 upward sliding in the first sleeve pipe 1 being fixed with the first suspension ring 5.
(6) principle utilizing the second sleeve pipe 2 to slide in the first sleeve pipe 1 and the lifting feature of chain block 3, when the second sleeve pipe 2 is slidably reciprocated in the first sleeve pipe 1, thing to be lifted can be lifted and deliver to suitable position by the second end of the second sleeve pipe 2.
What deserves to be explained is, when the first end utilizing the mode of welding the first suspension ring 5 to be fixed on the second sleeve pipe 2, when second hoisting ring 6 is fixed on the second end of the first sleeve pipe 1, the necessary full weld of these two hoisting rings, and checking welding quality, the intensity of welding must be greater than more than 2 times of thing weight to be lifted, and, when utilizing this pin-lift arrangement to carry out lifting weight, must first carry out examination and hang.Only have when weld strength meets the demands, guarantee is in time lifting thing and lifted, and hoisting ring can not come off from the first sleeve pipe or the second sleeve pipe, and then the personal safety of guarantee operating personnel.
Further, its initial weight of chain block used in pin-lift arrangement of the present invention is generally more than 3 tons or 5 tons.
The pin-lift arrangement that the embodiment of the present invention provides, by offering groove at the medium position of the first sleeve pipe, the second sleeve first end being fixed with the first suspension ring is slidably sleeved in the first sleeve pipe, by second hoisting ring corresponding with these the first suspension ring fixing on the tube wall of the first sleeve pipe second end, it is fixedly connected with the second hoisting ring with the first suspension ring respectively with lower suspension hook group by the hook group of chain block, the second sleeve pipe after being fixedly connected with can slide up and down in the first sleeve pipe along with the chain that pulls of chain block, and then make the second end of the second sleeve pipe that suitable position is delivered in thing act to be lifted.When technological scheme of the present invention is applied to the installation of refrigeration pipe in mine laneway, the Pan Kou of two refrigeration pipes can be aimed at, improve safety coefficient when refrigeration pipe is installed.
Fig. 2 is the structural representation of pin-lift arrangement embodiment two of the present invention.The embodiment of the present invention two is the further analyses to pin-lift arrangement on the basis of above-described embodiment one.As shown in Figure 2, the pin-lift arrangement that the embodiment of the present invention two provides, the second end of the second sleeve pipe 2 is provided with supporting spring 7, and this supporting spring 7 conforms to the radian of thing to be lifted.
Concrete, the supporting spring 7 conformed to the radian of thing to be lifted is set by the second end at the second sleeve pipe 2, adds the area of contact of the second sleeve pipe 2 and thing to be lifted.Therefore, when using the pin-lift arrangement in the present embodiment two to carry out lifting weight, because supporting spring 7 can increase the area of contact of thing to be lifted and the second sleeve pipe 2, thus when ensureing that the second sleeve pipe 2 slides in the first sleeve pipe 1, the accident that there will not be thing to be lifted to fall suddenly, has ensured the personal safety of operating personnel.
In practical application, the radian of supporting spring 7 can adopt various ways to realize, and such as, supporting spring 7 can be plane, also can with certain radian, and when supporting spring 7 is with when conforming to wait the radian lifting thing, the second sleeve pipe 2 is maximum with the area of contact of thing to be lifted.In fact, can be used with the supporting spring implementation of weight area of contact to be lifted as long as can increase the second sleeve pipe 2, the present invention does not limit this.
The pin-lift arrangement that the embodiment of the present invention provides, as long as the supporting spring shape changing the second sleeve pipe second end setting, this pin-lift arrangement just can be widely used in erection and install multiple different places such as U-shaped canopy, refrigeration pipe or operation at top.
Further, the pin-lift arrangement that above-described embodiment provides, the first end of the first sleeve pipe 1 is also fixed with base 8.
Concrete, this base 8 can be disk, square base or other shape, as long as the base device be fixed on working surface firm for the first sleeve pipe 1 can be able to be used, embodiments of the invention do not limit this.
The pin-lift arrangement that the embodiment of the present invention provides, by arranging base at the first end of the first sleeve pipe, make pin-lift arrangement can firmly stand on fore side in the process used, there will not be the phenomenon skewed suddenly, ensure that the personal safety when fore side lifts weight of operating personnel.
Further, in the above-described embodiments, the distance between the first suspension ring 5 and the second sleeve pipe 2 second end is greater than the distance of groove 4 first end and the first sleeve pipe 1 second end.
Concrete, when the first suspension ring 5 are fixed on the edge of the second sleeve pipe 2 first end, the distance between this first suspension ring 5 and second sleeve pipe 2 second end equals the length of the second sleeve pipe 2.Be greater than the distance of groove 4 first end and the first sleeve pipe 1 second end by the distance arranged between the first suspension ring 5 and the second sleeve pipe 2 second end, can ensure the second sleeve pipe 2 in the first sleeve pipe 1 and the first suspension ring 5 displacement range of sliding in groove 4 all maximum.
The pin-lift arrangement that the embodiment of the present invention provides, by the distance making the distance between the first suspension ring and the second sleeve pipe second end be greater than groove first end and the first sleeve pipe second end, ensure that the displacement that the second sleeve pipe slides in the first sleeve pipe reaches maximum, thus ensure that the altitude range that this pin-lift arrangement can lift thing to be lifted also is maximum.
Fig. 3 is the making schematic diagram of pin-lift arrangement embodiment two of the present invention.As shown in Figure 3, in an embodiment of the present invention, the length of the first sleeve pipe 1 and the second sleeve pipe 2 is 2 meters, and the nozzle diameter of the first sleeve pipe 1 is 4 inches, and the nozzle diameter of the second sleeve pipe 2 is 2 inches.Above-mentioned groove 4 is rectangle groove, and the distance at these rectangle groove distance the first sleeve pipe 1 two ends is 200 millimeters, and the width of this rectangle groove is 30 millimeters, and length is 1.6 meters.Wherein, 1 inch equals 25.4 millimeters, and therefore, 2 inches are about 50 millimeters, and 4 inches are about 100 millimeters.
The embodiment of the present invention gives the making schematic diagram of pin-lift arrangement in a kind of actual scene, in working process, what select be length is 2 meters, nozzle diameter is first sleeve pipe of 4 inches, length is selected to be 2 meters, nozzle diameter is second sleeve pipe of 2 inches, by selecting the sleeve pipe of such two kinds of chi inches, ensure that the second sleeve pipe is sleeved in the first sleeve pipe slidably, it is 30 millimeters by offering width at the first sleeve pipe medium position again, length is the rectangle groove of 1.6 meters, and make the distance at these rectangle groove distance the first sleeve pipe two ends be 200 millimeters, make operator can at this pin-lift arrangement of operation nimbly and freely in narrow space, thus achieve the object of lifting thing to be lifted in small space.
What deserves to be explained is, the design parameter of the first sleeve pipe that the embodiment of the present invention provides and the second sleeve pipe is just conventional to be selected, in practical application, and can need to be selected the first sleeve pipe and the second sleeve pipe by the requirement for height of lifting according to the size of thing to be lifted and weight, and on the first sleeve pipe, cut size to fit and the suitable groove of shape to form pin-lift arrangement.Therefore, the embodiment of the present invention does not limit the first sleeve pipe and the size of the second sleeve pipe and the size and shape of groove.
Further, the pin-lift arrangement that the above embodiment of the present invention provides, as can be seen from Figure 2, the tube wall of the first sleeve pipe 1 and the second sleeve pipe 2 also offers at least one positioning pin hole 9 respectively, further, the positioning pin hole 9 on the first sleeve pipe 1 tube wall is opened on the tube wall of groove 4 correspondence.
Concrete, can offer multiple positioning pin hole 9 on the tube wall of the first sleeve pipe 1 and the second sleeve pipe 2, the diameter of this positioning pin hole 9 can be 12 millimeters.When the second sleeve pipe 2 rises to a certain height, and when needing to keep this highly constant, can by locating stud rod be inserted in the positioning pin hole 9 on the first sleeve pipe 1 and the second sleeve pipe 2, thus keep the relative position of the first sleeve pipe 1 and the second sleeve pipe 2 to change, and then ensure that install aloft fixing when being lifted thing, the personal safety of operator.
Optionally, by the positioning pin hole 9 on the first sleeve pipe 1 tube wall is opened on the tube wall of groove 4 correspondence, the relative position of positioning pin hole on the second sleeve pipe 2 and the first sleeve pipe 1 obviously can be seen through groove 4, can be relatively easy locating stud rod be inserted in the positioning pin hole on the first sleeve pipe and the second sleeve pipe, thus ensure that the phase position of the first sleeve pipe and the second sleeve pipe can not change.
What deserves to be explained is, when locating stud rod inserts after positioning pin hole, the structure of this first sleeve pipe and the second sleeve pipe composition can also use as monomer, the working surface that this monomer stands on mine can hold top board, effectively prevent the obscission of top board.
Pin-lift arrangement provided by the invention uses sleeve pipe principle and makes in conjunction with chain block lifting feature, by the second sleeve pipe is slidably sleeved in the first sleeve pipe, and the displacement utilizing chain block to control to slide and speed, solve when underworkings top pipeline and U-shaped canopy are installed because of narrow and small apart from tunnel head room, it is not enough that lifting cannot take root or use chain block to lift by crane stroke, is difficult to the problem of being aimed at by the Pan Kou of refrigeration pipe or U-shaped canopy.Further, this pin-lift arrangement carrying portable, operational stroke is large, intensity is high.The use of this pin-lift arrangement, greatly reduces the labor intensity of operating personnel, improves safety coefficient when refrigeration pipe and the installation of U-shaped canopy, installs facilitate for top, tunnel pipeline and U-shaped canopy band.
In the present invention, pin-lift arrangement is that the accurate contraposition of refrigeration pipe and U-shaped canopy Pan Kou in mine performs deeds of valour in battle.Facts have proved, in 2012, due to the use of this pin-lift arrangement, the combined cooling, heat and power System in certain ore deposit is built up ahead of time, and critical effect is served in the process comprehensively come into operation, therefore, make the exploitation benefit in this colliery improve the economic benefit of nearly 800,000 yuan.
Last it is noted that above each embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technological scheme.

Claims (8)

1. a pin-lift arrangement, is characterized in that, comprising: the first sleeve pipe, the second sleeve pipe and chain block;
The medium position of described first sleeve pipe offers a groove, the first end of described second sleeve pipe is slidably sleeved in described first sleeve pipe, the first end of described second sleeve pipe is fixed with the first suspension ring, and the glide direction of described the first suspension ring in described groove is consistent with the glide direction of described second sleeve pipe; The tube wall of described first sleeve pipe second end is fixed with second hoisting ring corresponding with described the first suspension ring; Described chain block is fixedly connected with described the first suspension ring by hook group, is fixedly connected with described second hoisting ring by lower suspension hook group, and the second end of described second sleeve pipe is used for lifting thing to be lifted.
2. pin-lift arrangement according to claim 1, is characterized in that, the second end of described second sleeve pipe is provided with supporting spring, and described supporting spring conforms to the radian of thing described to be lifted.
3. pin-lift arrangement according to claim 2, is characterized in that, the first end of described first sleeve pipe is fixed with base.
4. pin-lift arrangement according to claim 1, is characterized in that, the distance between described the first suspension ring and described second sleeve pipe second end is greater than the distance of described groove first end and described first sleeve pipe second end.
5. pin-lift arrangement according to claim 4, is characterized in that, the length of described first sleeve pipe and described second sleeve pipe is 2 meters, and the nozzle diameter of described first sleeve pipe is 4 inches, and the nozzle diameter of described second sleeve pipe is 2 inches.
6. pin-lift arrangement according to claim 5, is characterized in that, described groove is rectangle groove, and described rectangle groove is 200 millimeters apart from the distance at described first sleeve pipe two ends, and the width of described rectangle groove is 30 millimeters, and length is 1.6 meters.
7. the pin-lift arrangement according to any one of claim 1 ~ 6, is characterized in that, the tube wall of described first sleeve pipe and described second sleeve pipe also offers at least one positioning pin hole respectively.
8. pin-lift arrangement according to claim 7, is characterized in that, the described positioning pin hole on described first set tube wall is opened on tube wall corresponding to described groove.
CN201510438153.9A 2015-07-22 2015-07-22 Ejector rod device Pending CN105065775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510438153.9A CN105065775A (en) 2015-07-22 2015-07-22 Ejector rod device

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Application Number Priority Date Filing Date Title
CN201510438153.9A CN105065775A (en) 2015-07-22 2015-07-22 Ejector rod device

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Publication Number Publication Date
CN105065775A true CN105065775A (en) 2015-11-18

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Application Number Title Priority Date Filing Date
CN201510438153.9A Pending CN105065775A (en) 2015-07-22 2015-07-22 Ejector rod device

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993016311A1 (en) * 1992-02-10 1993-08-19 Belman Production A/S Pipe joint member for assembling district heating pipes
CN101555798A (en) * 2009-05-14 2009-10-14 中铁一局集团有限公司 Reverse puncher and method for using the puncher for implementing PBA side pile construction
CN201851778U (en) * 2010-11-18 2011-06-01 杜莉莉 Mechanical pipeline support frame
CN203796289U (en) * 2014-04-15 2014-08-27 和锋刚 Lifter for steel stand in tunnel
CN204852605U (en) * 2015-07-22 2015-12-09 淮南矿业(集团)有限责任公司 Ejector device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993016311A1 (en) * 1992-02-10 1993-08-19 Belman Production A/S Pipe joint member for assembling district heating pipes
CN101555798A (en) * 2009-05-14 2009-10-14 中铁一局集团有限公司 Reverse puncher and method for using the puncher for implementing PBA side pile construction
CN201851778U (en) * 2010-11-18 2011-06-01 杜莉莉 Mechanical pipeline support frame
CN203796289U (en) * 2014-04-15 2014-08-27 和锋刚 Lifter for steel stand in tunnel
CN204852605U (en) * 2015-07-22 2015-12-09 淮南矿业(集团)有限责任公司 Ejector device

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Application publication date: 20151118