CN204036374U - Conveying cylinder of concrete pump piston head withdrawing device - Google Patents
Conveying cylinder of concrete pump piston head withdrawing device Download PDFInfo
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- CN204036374U CN204036374U CN201420480646.XU CN201420480646U CN204036374U CN 204036374 U CN204036374 U CN 204036374U CN 201420480646 U CN201420480646 U CN 201420480646U CN 204036374 U CN204036374 U CN 204036374U
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- spring
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Abstract
The utility model belongs to a kind of maintenance tool of appts. for transferring ready-mixed concrete, particularly relate to a kind of conveying cylinder of concrete pump piston head withdrawing device being pulled out from concrete conveying cylinder by the piston head come off in concrete conveying cylinder or eject, comprise pull-rod, top rod and connector, the quantity of top rod is not less than one, pull-rod is provided with the screw hole for connecting, for the draw ring of power transmission, for keeping the wheel of balance and the drag hook for seized piston head, top rod is provided with the screw hole for connecting, for the draw ring of power transmission, for keeping the wheel balanced, pull-rod can be connect with pushing up rod or being joined end to end by two top rods by screw hole by connector, to realize the piston head come off in concrete conveying cylinder being pulled out from concrete conveying cylinder or ejecting, this apparatus structure is reasonable, simple to operate, practical, greatly reduce the difficulty of repairing concrete pump conveying equipment, decrease the labour intensity of service worker, shorten maintenance time.
Description
Technical field
The utility model belongs to a kind of maintenance tool of appts. for transferring ready-mixed concrete, particularly relates to a kind of conveying cylinder of concrete pump piston head withdrawing device being pulled out from concrete conveying cylinder by the piston head come off in concrete conveying cylinder or eject.
Background technology
At present, the concrete conveying equipment such as concrete mixer and concrete pump has become the requisite constructional engineering machinery in each construction site, the operation principle of such concrete conveying equipment is substantially identical, comprise hopper, the concrete conveying cylinder be connected with hopper, the piston head be connected with the piston rod of hydraulic cylinder is provided with in concrete conveying cylinder, the concrete pump pipe be connected with concrete conveying cylinder one end by wabbler mechanism in addition, during work, finished product concrete is poured in the hopper of the concrete conveying equipment such as concrete mixer and concrete pump by concrete mixer truck, now pump line is driven by wabbler mechanism, the end of pump line does not overlap with the end of concrete conveying cylinder, piston is pulled by the piston rod of hydraulic cylinder, concrete is pumped in concrete conveying cylinder, after piston is moved to extreme position by hydraulic cylinder, under the drive of wabbler mechanism, pump line is swung to the position contacted with pump line, the end face of pump line overlaps with the end face of concrete conveying cylinder, piston is under the piston rod of hydraulic cylinder promotes, by concrete extrusion in pump line, repeat above-mentioned action continuously, concrete is just transported to the construction operation place in building site endlessly by pump line.
In the said structure of the concrete conveying equipment such as concrete mixer and concrete pump, the head of the piston rod of hydraulic cylinder is provided with a ring annular groove, the afterbody of piston has one section of cylinder or polygon cylinder, cylinder or polygon cylinder arrange the circle annular groove identical with piston crown, so the head of latter two semicircle clamp seized piston bar is provided with the annular groove on a ring annular groove and cylinder or polygon cylinder, piston rod and piston head are linked together, wherein two semicircle clamps are bolted.In work progress, bolt on two clamps is because often there is phenomenon of rupture in vibrations or fatigue, at this moment piston head has just been stayed in concrete conveying cylinder, needs piston head to take out from concrete conveying cylinder completely, more again links together with piston rod with clamp.
At present, the way of being taken out from concrete conveying cylinder by piston head mainly contains following two kinds, a kind of is be connected on the pump line of another good concrete conveying equipment by the pump line of the concrete conveying equipment broken down, good concrete conveying equipment is fetched water in the concrete conveying cylinder of the concrete conveying equipment broken down, and piston head is gone out concrete conveying cylinder; Another kind method is in concrete conveying cylinder, add wood section, and wood grafting head, is then withstood end of lumber with jack, ejected by piston head by wood from concrete conveying cylinder.Because first method needs an other concrete conveying equipment to coordinate, so implement certain difficulty, usually second method is used in present maintenance, but in second method, the wood used needs many sections, due to each other just end face contact with end face, the Angle ambiguity sometimes contacted is bad, just easily occur crooked, power transmission efficiency is not high, and wood is oppressed for a long time through jack, easily to break, finally can cause wood being inlayed into the first-class foreign material of gravelstone, small stone can damage the inwall of concrete conveying cylinder, affect the sealing effectiveness between concrete conveying cylinder and piston head, reduce the service life of concrete conveying cylinder.
Utility model content
The purpose of this utility model is exactly to solve the deficiencies in the prior art, and provides a kind of conveying cylinder of concrete pump piston head withdrawing device being pulled out from concrete conveying cylinder by the piston head come off in concrete conveying cylinder or eject.
The technical solution adopted in the utility model is: a kind of conveying cylinder of concrete pump piston head withdrawing device, is characterized in that: comprise pull-rod, top rod and connector, the quantity of top rod is not less than one,
Described pull-rod is cylinder, and the rear end end face of pull-rod is provided with screw hole, and the pull-rod outer wall of screw hole place end is symmetrically arranged with even number draw ring, the outer wall in pull-rod stage casing has hole, described hole is not less than three, spring is provided with in each hole, columned guide pillar is set in spring, guide pillar periphery is provided with horizontal catch, the lower surface of catch contacts with the upper end face of spring, spring is in compressive state, the outermost end of catch is greater than the periphery diameter of spring, be less than the diameter of hole, the guide pillar being positioned at catch upper surface is provided with cover plate, described cover plate central is provided with guide pillar hole, guide pillar passes through from guide pillar hole, the outermost end of catch is greater than the diameter in guide pillar hole, cover plate is fixedly attached on pull-rod, the guide pillar end being positioned at hole outside is provided with wheel, the axes normal of wheel is in the axis of pull-rod, the leading portion outer wall of pull-rod there is the ears support arranged ringwise, described ears support is not less than two, each ears support is provided with drag hook, drag hook and ears support pass through pinned connection, ears support above drag hook upper surface is provided with block, the side of ears support is the retractor head of drag hook, the front end face of retractor head slopes inwardly, retractor head reaches outside pull-rod end face, the opposite side of ears support is the drag hook body of drag hook, the surface of drag hook body pull-rod is vis-a-vis provided with the second spring, the second guide pillar is set with in second spring, second spring is in compressive state, the other end of the second guide pillar is fixed on pull-rod outer wall,
Described top rod is cylinder, and former and later two end faces of top rod are provided with screw hole, and the top rod outer wall of screw hole place end is symmetrically arranged with even number draw ring, the outer wall pushing up excellent stage casing has hole, described hole is not less than three, the 3rd spring is provided with in each hole, columned 3rd guide pillar is set in the 3rd spring, 3rd guide pillar periphery is provided with horizontal catch, the lower surface of catch contacts with the upper end face of the 3rd spring, 3rd spring is in compressive state, the periphery diameter that the outermost end of catch is greater than the 3rd spring is less than the diameter of hole, the 3rd guide pillar being positioned at catch upper surface is provided with cover plate, described cover plate central is provided with guide pillar hole, 3rd guide pillar passes through from guide pillar hole, the outermost end of catch is greater than the diameter in guide pillar hole, cover plate is fixedly attached on the rod of top, the 3rd guide pillar end being positioned at hole outside is provided with wheel, the axes normal of wheel is in the axis of top rod,
Described connector is Double-ended nut, and connector is used for pull-rod to be connected with top rod, or two top rods are joined end to end and connect.
The end face of described pull-rod and top rod and the faying face of outer wall are set to fillet.
Draw ring on described pull-rod, wheel and drag hook stagger setting on pull-rod axis direction, and the afterbody of drag hook body is provided with pressure hole.
Described pull-rod, top bar matter are aluminium alloy.
The beneficial effects of the utility model are:
Adopted juggle to be ejected from conveying cylinder by piston head when getting the piston head of concrete conveyance cylinder interior in the past, and this device is provided with pull-rod, when one end of piston head distance concrete conveying cylinder is nearer, the mode of drawing can be adopted to take out piston head, with the annular groove on the drag hook seized piston head of pull-rod head, steel wire rope on the draw ring of pull-rod afterbody is gone here and there, at the outside tractive steel wire rope of concrete conveying cylinder, pulls out piston head.One end of described pull-rod is provided with drag hook, drag hook is provided with spring, pass through lever principle, the spring of pull bar afterbody upwards pushes up pull bar, the retractor head of rod head is to pressing down, the front end face of retractor head slopes inwardly, on the cylinder withstanding piston head with drag hook front end face or polygon cylinder, drag hook is backed down, continue driven forward pull-rod, retractor head will in the annular groove on seized piston head, then steel wire rope on going here and there on the draw ring of pull-rod afterbody, at the outside tractive steel wire rope of concrete conveying cylinder, piston head is pulled out, wherein pull-rod is provided with the wheel making pull-rod keep stable in concrete conveying cylinder, wheel is by the spring jack-up in hole, the contact internal walls of wheel and concrete conveying cylinder, keep the axis of pull-rod and the dead in line of concrete conveying cylinder, thus ensure that power transmission effect.The afterbody of pull-rod is provided with bolt hole, when the length of pull-rod is inadequate time, pull-rod and top rod can be linked into an integrated entity, thus increase the length of pull-rod by connector.
When the mode on needs top ejects piston head from concrete conveying cylinder time, with top rod do not have withstand on piston area between the end face of draw ring one end, and then the outside jack of concrete conveying cylinder withstands another end face, piston head is ejected, wherein, the base of jack usually supports on the hopper inwall with concrete conveying cylinder, wherein top rod being provided with makes top rod in concrete conveying cylinder, keep stable wheel, wheel is by the spring jack-up in hole, the contact internal walls of wheel and concrete conveying cylinder, keep the axis of top rod and the dead in line of concrete conveying cylinder, thus ensure that power transmission effect.The afterbody of top rod is provided with bolt hole, when the length of pushing up rod is inadequate time, top rod and top rod can be linked into an integrated entity, thus increase the length of top rod by connector.
The material of pull-rod and top rod is aluminium alloy, while weight reduction, adds the intensity of pull-rod and top rod, thus ensure that pull-rod and top rod can not be drawn bad by steel wire rope or jack or damage by pressure.Simultaneously, the excellent outer surface outer surface of pull-rod and top of aluminum alloy material can not be inlayed into foreign material such as handstones, the concrete conveyance inside wall of cylinder can not be spent by handstone loudspeaker, affect the life-span of concrete conveying cylinder, and fillet design has been done in the end of pull-rod and top rod, further reduce the edge of pull-rod and top rod to the impact of the concrete conveyance inside wall of cylinder.
In a word, the conveying cylinder of concrete pump piston head withdrawing device that the utility model provides is rational in infrastructure, simple to operate, practical, can more easily the piston head come off in concrete conveying cylinder be pulled out from concrete conveying cylinder or eject, greatly reduce the difficulty of repairing concrete pump conveying equipment, decrease the labour intensity of service worker, shorten maintenance time.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the main apparent direction of pull-rod in the utility model embodiment 1.
Fig. 2 is the schematic diagram of the main apparent direction of pull-rod in the utility model embodiment 1.
Fig. 3 is the schematic diagram of the main apparent direction of connector in the utility model embodiment 1.
Fig. 4 is the schematic diagram that in the utility model embodiment 1, direction overlooked by pull-rod.
Fig. 5 is the schematic diagram that in the utility model embodiment 1, direction overlooked by pull-rod.
Fig. 6 is the schematic diagram of the left apparent direction of connector in the utility model embodiment 1.
Fig. 7 is the partial enlarged drawing of A in the main apparent direction schematic diagram of pull-rod in the utility model embodiment 1.
Fig. 8 is the partial enlarged drawing of B in the main apparent direction schematic diagram of pull-rod in the utility model embodiment 1.
Fig. 9 is the schematic diagram of the main apparent direction of pull-rod in the utility model embodiment 2.
Figure 10 is the using state schematic diagram of pull-rod in the utility model embodiment 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, content of the present utility model is described further:
Embodiment 1:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, a kind of conveying cylinder of concrete pump piston head withdrawing device, comprises pull-rod 1, top rod 2 and connector 3, the quantity one of top rod 2, and the material of pull-rod 1, top rod 2 is aluminium alloy,
Described pull-rod 1 is cylinder, and the rear end end face of pull-rod 1 is provided with screw hole 4, and the pull-rod outer wall of screw hole 4 place end is symmetrically arranged with two draw rings 5, the outer wall in pull-rod 1 stage casing has hole 6, described hole 6 is three, spring 7 is provided with in each hole 6, columned guide pillar 8 is set in spring 7, guide pillar 8 periphery is provided with horizontal catch 9, the lower surface of catch 9 contacts with the upper end face of spring 7, spring 7 is in compressive state, the outermost end of catch 9 is greater than the periphery diameter of spring 7, be less than the diameter of hole 6, the guide pillar 8 being positioned at catch 9 upper surface is provided with cover plate 10, described cover plate 10 center is provided with guide pillar hole, guide pillar 8 passes through from guide pillar hole, the outermost end of catch 9 is greater than the diameter in guide pillar hole, cover plate 10 is fixedly attached on pull-rod 1, guide pillar 8 end being positioned at hole outside is provided with wheel 11, the axes normal of wheel 11 is in the axis of pull-rod 1, the leading portion outer wall of pull-rod 1 there is the ears support 12 arranged ringwise, described ears support 12 is three, each ears support 12 is provided with drag hook 13, drag hook 13 and ears support 12 pass through pinned connection, ears support 12 above drag hook 13 upper surface is provided with block 121, the side of ears support 12 is the retractor head 131 of drag hook 13, the front end face of retractor head 131 slopes inwardly, retractor head 131 reaches outside pull-rod 1 end face, the opposite side of ears support 12 is the drag hook body 132 of drag hook 12, the surface of drag hook body 132 pull-rod 1 is vis-a-vis provided with the second spring 14, the second guide pillar 15 is set with in second spring 14, second spring 14 is in compressive state, the other end of the second guide pillar 15 is fixed on pull-rod 1 outer wall,
Described top rod 2 is cylinder, and former and later two end faces of top rod 2 are provided with screw hole 16, and top rod 2 outer walls of screw hole 16 place end are symmetrically arranged with two draw rings 17, the outer wall pushing up excellent 2 stage casings has hole 18, described hole 18 is three, the 3rd spring 19 is provided with in each hole 18, columned 3rd guide pillar 20 is set in the 3rd spring 19, 3rd guide pillar 20 periphery is provided with horizontal catch 21, the lower surface of catch 21 contacts with the upper end face of the 3rd spring 19, 3rd spring 19 is in compressive state, the periphery diameter that the outermost end of catch 21 is greater than the 3rd spring 19 is less than the diameter of hole 18, the 3rd guide pillar 20 being positioned at catch 21 upper surface is provided with cover plate 22, described cover plate 22 center is provided with guide pillar hole, 3rd guide pillar 20 passes through from guide pillar hole, the outermost end of catch 21 is greater than the diameter in guide pillar hole, cover plate 22 is fixedly attached on the rod of top, the 3rd guide pillar 20 end being positioned at hole outside is provided with wheel 23, the axes normal of wheel 23 is in the axis of top rod 2,
Described connector 3 is Double-ended nut, when the mode of drawing is taken out piston head by employing from concrete conveying cylinder, connector 3 is used for pull-rod 1 to be connected with top rod 2, when adopting the mode on top to take out piston head from concrete conveying cylinder, joined end to end by two top rods 2 and connect, wherein the excellent end face of 2 of pull-rod 1 and top and the faying face of outer wall do fillet process.
Embodiment 2:
As shown in Figure 9, the present embodiment is optimized embodiment 1 in the technical scheme of embodiment 1, and along pull-rod 1 axis direction, the draw ring 5 on pull-rod 1, wheel 11 and drag hook 13 offset one from another setting, and the afterbody of drag hook body 132 is provided with pressure hole 24.
As shown in Figure 10, this figure is the using state figure that pull-rod 1 uses, the retractor head 131 of drag hook 13 hooks the annular groove of piston head one end, the contact internal walls of wheel 11 and concrete conveying cylinder, keep the balance of pull-rod 1 in concrete conveying cylinder, while guarantee power transmission effect, ensure that concrete conveying cylinder is not scratched by pull-rod 1, then pull-rod 1 is pulled back, just piston head can be pulled out from concrete conveying cylinder, water or lubricating oil can also be sprayed on the concrete conveyance inside wall of cylinder, to reduce the resistance between piston head and the concrete conveyance inside wall of cylinder, piston head is facilitated to take out.
In time adopting the mode of drawing piston head can not be pulled out, just drag hook 13 must be taken out in piston head annular groove, arrange in pressure hole 24 with the afterbody that a bar extend into drag hook body 132, downwards firmly, utilize leverage, make just to make retractor head 131 upwards lift in piston head annular groove, then pull back pull-rod 1, just can take out pull-rod 1 from concrete conveying cylinder.
Claims (4)
1. a conveying cylinder of concrete pump piston head withdrawing device, is characterized in that: comprise pull-rod, top rod and connector, the quantity of top rod is not less than one,
Described pull-rod is cylinder, and the rear end end face of pull-rod is provided with screw hole, and the pull-rod outer wall of screw hole place end is symmetrically arranged with even number draw ring, the outer wall in pull-rod stage casing has hole, described hole is not less than three, spring is provided with in each hole, columned guide pillar is set in spring, guide pillar periphery is provided with horizontal catch, the lower surface of catch contacts with the upper end face of spring, spring is in compressive state, the outermost end of catch is greater than the periphery diameter of spring, be less than the diameter of hole, the guide pillar being positioned at catch upper surface is provided with cover plate, described cover plate central is provided with guide pillar hole, guide pillar passes through from guide pillar hole, the outermost end of catch is greater than the diameter in guide pillar hole, cover plate is fixedly attached on pull-rod, the guide pillar end being positioned at hole outside is provided with wheel, the axes normal of wheel is in the axis of pull-rod, the leading portion outer wall of pull-rod there is the ears support arranged ringwise, described ears support is not less than two, each ears support is provided with drag hook, drag hook and ears support pass through pinned connection, ears support above drag hook upper surface is provided with block, the side of ears support is the retractor head of drag hook, the front end face of retractor head slopes inwardly, retractor head reaches outside pull-rod end face, the opposite side of ears support is the drag hook body of drag hook, the surface of drag hook body pull-rod is vis-a-vis provided with the second spring, the second guide pillar is set with in second spring, second spring is in compressive state, the other end of the second guide pillar is fixed on pull-rod outer wall,
Described top rod is cylinder, and former and later two end faces of top rod are provided with screw hole, and the top rod outer wall of screw hole place end is symmetrically arranged with even number draw ring, the outer wall pushing up excellent stage casing has hole, described hole is not less than three, the 3rd spring is provided with in each hole, columned 3rd guide pillar is set in the 3rd spring, 3rd guide pillar periphery is provided with horizontal catch, the lower surface of catch contacts with the upper end face of the 3rd spring, 3rd spring is in compressive state, the periphery diameter that the outermost end of catch is greater than the 3rd spring is less than the diameter of hole, the 3rd guide pillar being positioned at catch upper surface is provided with cover plate, described cover plate central is provided with guide pillar hole, 3rd guide pillar passes through from guide pillar hole, the outermost end of catch is greater than the diameter in guide pillar hole, cover plate is fixedly attached on the rod of top, the 3rd guide pillar end being positioned at hole outside is provided with wheel, the axes normal of wheel is in the axis of top rod,
Described connector is Double-ended nut, and connector is used for pull-rod to be connected with top rod, or two top rods are joined end to end and connect.
2. conveying cylinder of concrete pump piston head withdrawing device according to claim 1, is characterized in that: the end face of described pull-rod and top rod and the faying face of outer wall are set to fillet.
3. conveying cylinder of concrete pump piston head withdrawing device according to claim 1, is characterized in that: the draw ring on described pull-rod, wheel and drag hook stagger setting on pull-rod axis direction, and the afterbody of drag hook body is provided with pressure hole.
4. conveying cylinder of concrete pump piston head withdrawing device according to claim 1, is characterized in that: described pull-rod, top bar matter are aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420480646.XU CN204036374U (en) | 2014-08-25 | 2014-08-25 | Conveying cylinder of concrete pump piston head withdrawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420480646.XU CN204036374U (en) | 2014-08-25 | 2014-08-25 | Conveying cylinder of concrete pump piston head withdrawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036374U true CN204036374U (en) | 2014-12-24 |
Family
ID=52237082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420480646.XU Expired - Fee Related CN204036374U (en) | 2014-08-25 | 2014-08-25 | Conveying cylinder of concrete pump piston head withdrawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204036374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825352A (en) * | 2017-12-05 | 2018-03-23 | 成都秦川物联网科技股份有限公司 | Seal provision for disengagement and gas meter, flow meter recovery system |
| CN110116385A (en) * | 2019-06-12 | 2019-08-13 | 宁波奥克斯电气股份有限公司 | A kind of water plug plug tooling |
-
2014
- 2014-08-25 CN CN201420480646.XU patent/CN204036374U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825352A (en) * | 2017-12-05 | 2018-03-23 | 成都秦川物联网科技股份有限公司 | Seal provision for disengagement and gas meter, flow meter recovery system |
| CN107825352B (en) * | 2017-12-05 | 2023-06-09 | 成都秦川物联网科技股份有限公司 | Seal ring dismounting device and gas meter recovery system |
| CN110116385A (en) * | 2019-06-12 | 2019-08-13 | 宁波奥克斯电气股份有限公司 | A kind of water plug plug tooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150825 |
|
| EXPY | Termination of patent right or utility model |