CN203285469U - Thrusting mechanism for planing and transporting set - Google Patents
Thrusting mechanism for planing and transporting set Download PDFInfo
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- CN203285469U CN203285469U CN201320303402XU CN201320303402U CN203285469U CN 203285469 U CN203285469 U CN 203285469U CN 201320303402X U CN201320303402X U CN 201320303402XU CN 201320303402 U CN201320303402 U CN 201320303402U CN 203285469 U CN203285469 U CN 203285469U
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- jack
- seat
- thrust gear
- cylinder
- piston rod
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Abstract
The utility model provides a thrusting mechanism for a planing and transporting set. The thrusting mechanism comprises a thrusting jack, two swinging jacks, a thrusting base, an upper swinging spherical hinging seat, a lower swinging spherical hinging seat and a hydraulic system, wherein the thrusting jack comprises a piston rod, a cylinder barrel, a cylinder seat, an outer cylinder sleeve and a lug plate; the lower end of the piston rod is fixedly connected with the cylinder seat; the piston rod is internally provided with a liquid feeding/returning system; the cylinder seat is provided with a liquid feeding hole and a liquid returning hole; the liquid feeding/returning system is communicated with the liquid feeding hole to realize liquid feeding of the thrusting jack, and is communicated with the liquid returning hole to realize liquid returning of the thrusting jack; the cylinder barrel is provided with a route positioning device; the cylinder seat is provided with a route sensor; the route positioning device and the route senor are matched to work to convert the route value of the cylinder barrel to an electric signal, and the electric signal is transmitted to an electro-hydraulic control system of the planing and transporting set; the outer cylinder sleeve is fixedly connected with the cylinder seat. According to the thrusting mechanism for the planing and transporting set provided by the utility model, the route sensor is conveniently mounted in the thrusting jack with a reversed structure so that the real-time monitoring of the route of the cylinder barrel of the thrusting jack is realized.
Description
Technical field
The utility model relates to a kind of thrust gear, especially a kind of digging and transport unit thrust gear that is applied to the colliery steeply-inclined seam mining.
Background technology
Due to the successful Application of flitting, China realizes the longwell fully-mechanized mining already fully in large-inclination-angle coal bed (seam inclination is generally 45 °～50 °).But for inclination angle greater than 50 °, and even, greater than the half-edge coal seam of 55 °,, because the flitting downward movement is restive, easily cause danger, the safety in production of work plane can not get ensureing, thereby, still can't realize the longwell fully-mechanized mining for a long time.1 year up to date, the digging and transport unit was researched and developed successfully, and progressively applies, and just made half-edge coal seam realization longwell fully-mechanized mining truly.
Patent CN201835831U discloses a kind of digging and transport unit, the digging and transport generating set main body consists of digging and transport machine, hydraulic support and thrust gear, the digging and transport machine is connected with thrust gear respectively with hydraulic support, and the reach of digging and transport unit and digging and transport machine move up and down all to be realized by thrust gear.Thrust gear waves jack by advancing jack and two and forms.digging and transport machine overall weight is very large, need advancing jack to produce larger active force and it could be lifted passing, therefore, the advancing jack that thrust gear uses all adopts inverted structure, during work, piston rod is fixedly connected with motionless with the cylinder seat, cylinder barrel moves back and forth with respect to piston rod and cylinder seat, simultaneously, because the digging and transport machine weight that supports is too large, for avoiding the advancing jack cylinder barrel to occur bending and deformation, therefore, an outer cylinder sheath generally is installed outside cylinder barrel, outer cylinder sheath is fixedly connected with piston rod with advancing jack cylinder seat, during work, cylinder barrel moves in outer cylinder sheath.Patent CN201915983U discloses a kind of advancing jack and has adopted the thrust gear of inverted structure, due to the advancing jack upside-down mounting, and outside is equipped with outer cylinder sheath, therefore, make advancing jack that stroke sensor can't be installed, cause the stroke that can't monitor digging and transport unit thrust gear, be unfavorable for adopting electrohydraulic control system control production process, hindered the raising of coal production efficiency.
In sum, digging and transport unit thrust gear, in order to lift the larger digging and transport machine of overall weight, has made the advancing jack of thrust gear into inverted structure, and externally outer cylinder sheath has been installed at present.But, because the advancing jack structure changes, make in advancing jack stroke sensor can't be installed, and then cause monitoring the stroke of digging and transport unit thrust gear.
The utility model content
The technical problem that adopts inverted structure that stroke sensor can't be installed because of advancing jack for solving existing digging and transport unit thrust gear, the utility model provides a kind of stroke sensor can be installed in the inverted structure advancing jack digging and transport unit thrust gear.
The technical solution adopted in the utility model is as follows:
digging and transport unit thrust gear, comprise an advancing jack, two are waved jack, pass base, wave the ball twisted seat, wave lower ball twisted seat and hydraulic system, described advancing jack waves upper ball twisted seat and waves jack and be connected with described two by described, by described passing floor installation on described digging and transport unit hydraulic support, two described jack that wave are installed on described digging and transport unit hydraulic support by waving lower ball twisted seat, described advancing jack adopts inverted structure, described advancing jack comprises piston rod, cylinder barrel, the cylinder seat, outer cylinder sheath and otic placode, described piston-rod lower end is fixedly connected with described cylinder seat, be provided with into return liquid system in described piston rod, be provided with inlet opening and hole for back flow on described cylinder seat, describedly advance return liquid system by with described inlet opening, linking up and realize described advancing jack feed liquor, link up and realize that described advancing jack returns liquid with described hole for back flow, on described cylinder barrel, range finder is installed, on described cylinder seat, stroke sensor is installed, described range finder and described stroke sensor cooperating are converted into electric signal transmission to digging and transport unit electrohydraulic control system with the stroke value of described cylinder barrel, described outer cylinder sheath is fixedly connected with described cylinder seat.
In above-mentioned thrust gear, describedly advance return liquid system and comprise a steel pipe that is welded in described piston rod, described steel pipe is used for jack feed liquor part and returns liquid and partly keep apart.
In above-mentioned thrust gear, describedly advance return liquid system and comprise two at axially extended the first deep hole of described piston rod and the second deep hole, described two deep holes are respectively used to feed liquor and return liquid.
In above-mentioned thrust gear, described piston-rod lower end connects described cylinder seat, extends to described cylinder seat outside, adopts card key to be fixedly connected with described cylinder seat.
In above-mentioned thrust gear, two copper sheathings are installed between described outer cylinder sheath and described cylinder barrel, described copper sheathing is connected with described cylinder barrel lower end interference fit, and described copper sheathing is connected with described outer cylinder sheath upper end interference fit.
In above-mentioned thrust gear, described range finder comprises a magnet ring and a connecting rod that described magnet ring is fixedly connected with described cylinder barrel.
In above-mentioned thrust gear, the described lower ball twisted seat center of waving is provided with through hole, and the described jack bottom spheroid that waves also is provided with through hole, and the described jack that waves runs through described two through holes by bearing pin and is connected with described hydraulic support.
In above-mentioned thrust gear, the diameter of described two through holes is slightly larger than the diameter of described bearing pin.
In above-mentioned thrust gear, described bearing pin is vertical with the described plane, jack movement locus place of waving that is connected.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. the digging and transport unit thrust gear that provides of the utility model, because advancing return liquid system, advancing jack is arranged in piston rod, and piston rod and cylinder seat actual be to be fixed together, therefore, the utility model makes very heavy jacking return liquid and can realize by piston rod and cylinder seat fully, and is not subjected to the impact of outer cylinder sheath.
2. the digging and transport unit thrust gear that provides of the utility model, because advancing return liquid system, advancing jack is arranged in piston rod, also make space between piston rod and cylinder barrel increase, therefore, the utility model can be installed stroke sensor easily in advancing jack, realize the Real-Time Monitoring to advancing jack cylinder barrel stroke.
3. the digging and transport unit thrust gear that provides of the utility model, realize therefore, the utlity model has characteristics simple in structure into the separation of returning liquid by steel pipe of welding in piston rod because advancing jack advances return liquid system.
4. the digging and transport unit thrust gear that provides of the utility model, because advancing return liquid system, realizes into the separation of returning liquid by two deep holes that are arranged in piston rod advancing jack, therefore, the utility model can greatly be simplified the advancing jack manufacturing process, reduces production costs.
5. the digging and transport unit thrust gear that provides of the utility model,, because the piston-rod lower end of advancing jack connects the cylinder seat, extend to the cylinder seat outside, adopt card key to be fixedly connected with the cylinder seat, therefore, the utility model can greatly be simplified the advancing jack manufacturing process equally, reduces production costs.
6. the digging and transport unit thrust gear that provides of the utility model, owing to waving lower ball twisted seat and being connected jack and being connected connected mode by bearing pin with through hole and connecting, and through-hole diameter is slightly larger than pin diameter, therefore, the utility model effectively raises and waves jack mechanism application life, not only saved maintenance cost, and avoided because damaging maintenance to producing the impact that produces.
7. the digging and transport unit thrust gear that provides of the utility model, due to bearing pin with to wave plane, jack movement locus place vertical, therefore, effectively eliminated and waved jack motion to the damage that base connects, equally effectively extended and waved jack mechanism application life.
Description of drawings
, for content of the present utility model is more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the utility model digging and transport unit thrust gear elevation;
Fig. 2 is the utility model digging and transport unit thrust gear top view;
Fig. 3 is the utility model digging and transport unit thrust gear the first embodiment advancing jack sectional view;
Fig. 4 is the utility model digging and transport unit thrust gear the second embodiment advancing jack sectional view.
Be labeled as in figure: the 1-piston rod, 101-advances return liquid system, 102-the first deep hole, 103-the second deep hole, 2-cylinder barrel, 201-range finder, 202-copper sheathing, 3-cylinder seat, 301-inlet opening, 302-hole for back flow, 303-stroke sensor, 4-cylinder sleeve, 401-copper sheathing.
The specific embodiment
, for making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As depicted in figs. 1 and 2, be elevation and the top view of the preferred embodiment of the utility model digging and transport unit thrust gear.
digging and transport unit thrust gear, comprise an advancing jack, two are waved jack, pass base, wave the ball twisted seat, wave lower ball twisted seat and hydraulic system, described advancing jack waves upper ball twisted seat and waves jack and be connected with described two by described, by described passing floor installation on described digging and transport unit hydraulic support, two described jack that wave are installed on described digging and transport unit hydraulic support by waving lower ball twisted seat, described advancing jack adopts inverted structure, described advancing jack comprises piston rod 1, cylinder barrel 2, cylinder seat 3, outer cylinder sheath 4 and otic placode 5, described piston rod 1 lower end is fixedly connected with described cylinder seat 3, be provided with into return liquid system 101 in described piston rod 1, be provided with inlet opening 301 and hole for back flow 302 on described cylinder seat 3, describedly advance return liquid system 101 by with described inlet opening 301, linking up and realize described advancing jack feed liquor, link up and realize that described advancing jack returns liquid with described hole for back flow 302, on described cylinder barrel 2, range finder 201 is installed, on described cylinder seat 3, stroke sensor 303 is installed, described range finder 201 is converted into electric signal transmission to digging and transport unit electrohydraulic control system with described stroke sensor 303 cooperatings with the stroke value of described cylinder barrel 2, described outer cylinder sheath 4 is fixedly connected with described cylinder seat 3.
As shown in Figure 3, be the utility model digging and transport unit thrust gear the first embodiment.
In the first embodiment, describedly advance return liquid system and comprise a steel pipe 101 that is welded in described piston rod 1, described steel pipe 101 is used for jack feed liquor part and returns liquid and partly keep apart.
In the first embodiment, two copper sheathings 202,401 are installed between described outer cylinder sheath 4 and described cylinder barrel 2, described copper sheathing 202 is connected with described cylinder barrel 2 lower end interference fit, and described copper sheathing 401 is connected with described outer cylinder sheath 4 upper end interference fit.
In the first embodiment, described range finder 201 comprises a magnet ring and a connecting rod that described magnet ring is fixedly connected with described cylinder barrel 2.
In the first embodiment, the described lower ball twisted seat center of waving is provided with through hole, and the described jack bottom spheroid that waves also is provided with through hole, and the described jack that waves runs through described two through holes by bearing pin and is connected with described hydraulic support.
In the first embodiment, the diameter of described two through holes is slightly larger than the diameter of described bearing pin.
In the first embodiment, described bearing pin is vertical with the described plane, jack movement locus place of waving that is connected.
As shown in Figure 4, be the utility model digging and transport unit thrust gear the second embodiment.
In a second embodiment, describedly advance return liquid system and comprise two at axially extended the first deep hole 102 of described piston rod 1 and the second deep hole 103, described two deep holes are respectively used to feed liquor and return liquid.
In a second embodiment, described piston rod 1 lower end connects described cylinder seat 3, extends to described cylinder seat 3 outsides, adopts card key to be fixedly connected with described cylinder seat 3.
In a second embodiment, two copper sheathings 202,401 are installed between described outer cylinder sheath 4 and described cylinder barrel 2, described copper sheathing 202 is connected with described cylinder barrel 2 lower end interference fit, and described copper sheathing 401 is connected with described outer cylinder sheath 4 upper end interference fit.
In a second embodiment, described range finder 201 comprises a magnet ring and a connecting rod that described magnet ring is fixedly connected with described cylinder barrel 2.
In a second embodiment, the described lower ball twisted seat center of waving is provided with through hole, and the described jack bottom spheroid that waves also is provided with through hole, and the described jack that waves runs through described two through holes by bearing pin and is connected with described hydraulic support.
In a second embodiment, the diameter of described two through holes is slightly larger than the diameter of described bearing pin.
In a second embodiment, described bearing pin is vertical with the described plane, jack movement locus place of waving that is connected.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among protection domain of the present utility model.
Claims (9)
1. digging and transport unit thrust gear, comprise an advancing jack, two are waved jack, pass base, wave the ball twisted seat, wave lower ball twisted seat and hydraulic system, described advancing jack waves upper ball twisted seat and waves jack and be connected with described two by described, by described passing floor installation on described digging and transport unit hydraulic support, two described jack that wave are installed on described digging and transport unit hydraulic support by waving lower ball twisted seat, described advancing jack adopts inverted structure, described advancing jack comprises piston rod (1), cylinder barrel (2), cylinder seat (3), outer cylinder sheath (4) and otic placode (5), it is characterized in that:
Described piston rod (1) lower end is fixedly connected with described cylinder seat (3), described piston rod is provided with into return liquid system in (1), be provided with inlet opening (301) and hole for back flow (302) on described cylinder seat (3), describedly advance return liquid system by with described inlet opening (301), linking up and realize described advancing jack feed liquor, with described hole for back flow (302), link up and realize that described advancing jack returns liquid;
Range finder (201) is installed on described cylinder barrel (2), stroke sensor (303) is installed on described cylinder seat (3), and described range finder (201) is converted into electric signal transmission to digging and transport unit electrohydraulic control system with described stroke sensor (303) cooperating with the stroke value of described cylinder barrel (2);
Described outer cylinder sheath (4) is fixedly connected with described cylinder seat (3).
2. thrust gear according to claim 1, it is characterized in that: describedly advance return liquid system (101) and comprise a steel pipe (101) that is welded in described piston rod (1), described steel pipe (101) is used for jack feed liquor part and returns liquid and partly keep apart.
3. thrust gear according to claim 1, it is characterized in that: describedly advance return liquid system and comprise two at axially extended the first deep hole of described piston rod (1) (102) and the second deep hole (103), described two deep holes are respectively used to feed liquor and return liquid.
4. thrust gear according to claim 3 is characterized in that: described piston rod (1) lower end connects described cylinder seat (3), extends to described cylinder seat (3) outside, adopts card key to be fixedly connected with described cylinder seat (3).
5. thrust gear according to claim 4, it is characterized in that: between described outer cylinder sheath (4) and described cylinder barrel (2), two copper sheathings (202 are installed, 401), described copper sheathing (202) is connected with described cylinder barrel (2) lower end interference fit, and described copper sheathing (401) is connected with described outer cylinder sheath (4) upper end interference fit.
6. thrust gear according to claim 5, it is characterized in that: described range finder (201) comprises a magnet ring and a connecting rod that described magnet ring is fixedly connected with described cylinder barrel (2).
7. thrust gear according to claim 6, it is characterized in that: the described lower ball twisted seat center of waving is provided with through hole, the described jack bottom spheroid that waves also is provided with through hole, and the described jack that waves runs through described two through holes by bearing pin and is connected with described hydraulic support.
8. thrust gear according to claim 7, it is characterized in that: the diameter of described two through holes is slightly larger than the diameter of described bearing pin.
9. thrust gear according to claim 8, it is characterized in that: described bearing pin is vertical with the described plane, jack movement locus place of waving that is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320303402XU CN203285469U (en) | 2013-05-30 | 2013-05-30 | Thrusting mechanism for planing and transporting set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320303402XU CN203285469U (en) | 2013-05-30 | 2013-05-30 | Thrusting mechanism for planing and transporting set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285469U true CN203285469U (en) | 2013-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320303402XU Withdrawn - After Issue CN203285469U (en) | 2013-05-30 | 2013-05-30 | Thrusting mechanism for planing and transporting set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266905A (en) * | 2013-05-30 | 2013-08-28 | 天地科技股份有限公司 | Ploughing and conveying machine set thrust mechanism |
-
2013
- 2013-05-30 CN CN201320303402XU patent/CN203285469U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266905A (en) * | 2013-05-30 | 2013-08-28 | 天地科技股份有限公司 | Ploughing and conveying machine set thrust mechanism |
| CN103266905B (en) * | 2013-05-30 | 2015-09-02 | 天地科技股份有限公司 | Digging and transport unit thrust gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131113 Effective date of abandoning: 20150902 |
|
| RGAV | Abandon patent right to avoid regrant |