CN201991538U - Mining hydraulic liftable worktable - Google Patents

Mining hydraulic liftable worktable Download PDF

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Publication number
CN201991538U
CN201991538U CN 201120047313 CN201120047313U CN201991538U CN 201991538 U CN201991538 U CN 201991538U CN 201120047313 CN201120047313 CN 201120047313 CN 201120047313 U CN201120047313 U CN 201120047313U CN 201991538 U CN201991538 U CN 201991538U
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CN
China
Prior art keywords
hydraulic
hydraulic oil
mining
worktable
hydraulic pressure
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.)
Expired - Fee Related
Application number
CN 201120047313
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Chinese (zh)
Inventor
王一刚
庞成
朱永丽
涂建山
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.)
Chongqing Vocational Institute of Engineering
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Chongqing Vocational Institute of Engineering
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.)
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Publication date
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Priority to CN 201120047313 priority Critical patent/CN201991538U/en
Application granted granted Critical
Publication of CN201991538U publication Critical patent/CN201991538U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a mining hydraulic liftable worktable, which comprises a support, a work platform and a hydraulic cylinder. A hydraulic oil inlet and a hydraulic oil outlet are arranged at the bottom of a cylinder body of the hydraulic cylinder, an oil inlet one-way valve is disposed on the hydraulic oil inlet, an oil outlet one-way valve is arranged on the hydraulic oil outlet, when the worktable needs to ascend, the oil inlet one-way valve is opened, hydraulic oil (or emulsion) is injected into the hydraulic cylinder, a piston ascends to drive the total worktable to ascend to a required height, when the worktable needs to descend, the oil inlet one-way valve is closed, the oil outlet one-way valve is opened, the hydraulic oil (or emulsion) in the hydraulic cylinder flows back to the pump station worktable, and then the worktable can descend to a required position. The mining hydraulic liftable worktable is simple in structure and fine in reliability, and can fast realize in ascending, descending and height adjustment, so that headwork staff can safely and conveniently realize powder charging and line connection operation, accuracy of the angle of a tophole of a tunnel can be ensured, circulation schedule and tunnel forming meet requirements of headwork regulations, and simultaneously, the mining hydraulic liftable worktable is convenient in installation, detachment and movement.

Description

Mining hydraulic pressure liftable workbench
Technical field
The utility model relates to a kind of mining workbench, particularly a kind ofly is suitable for the mining hydraulic pressure liftable workbench that tunnelling is used.
Technical background
At present, during digging laneway, headwork personnel usually need to stand in and have carried out work such as perforating, powder charge and line on the workbench.Known workbench is to form at the interim overlap joint of driving face with materials such as steel pipe, iron wire, plank, steel plates, and is time-consuming more when its assembling and dismounting though the workbench that uses on ground also can be regulated height, is difficult to adapt to the needs of headwork.
Be necessary to overcome described defective, a kind of mining hydraulic pressure liftable workbench is provided, can regulate height by fast lifting, make the headwork personnel can be safely and carry out powder charge and line work easily, guarantee the accuracy of tunnel tophole angle, make advance of working cycle and laneway molding reach the requirement of excavation operation rules, have advantages such as simple in structure, installation, dismounting and conveniently moving simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of mining hydraulic pressure liftable workbench, can regulate height by fast lifting, make the headwork personnel can be safely and carry out powder charge and line work easily, guarantee the accuracy of tunnel tophole angle, make advance of working cycle and laneway molding reach the requirement of excavation operation rules, have advantages such as simple in structure, installation, dismounting and conveniently moving simultaneously.
The utility model is mining hydraulic pressure liftable workbench, comprise support, rack-mount working platform and be used to drive the hydraulic cylinder that working platform vertically moves back and forth, hydraulic cylinder body is fixedly set on the support, and hydraulic cylinder piston vertically withstands the working platform soffit; The hydraulic cylinder bottom is provided with hydraulic oil import and hydraulic oil outlet, and the hydraulic oil import is provided with in line check valve, and the hydraulic oil outlet is provided with fuel-displaced one way valve.
Further, described hydraulic oil import and hydraulic oil outlet are shared, and described in line check valve and fuel-displaced one way valve are made integrally formed three way cock, are provided for the transposition handle of switch spool on the three way cock;
Further, described support comprises two ladder frames, and two ladder frames are oppositely arranged in the horizontal direction, and the working platform holder is carried out cross support by intertie between two ladder frames on two ladder frames, and described intertie is two covers and is set up in parallel;
Further, also comprise the workbench lifting positioning component, described lifting positioning component comprises bearing post and alignment pin, fixedly connected with the working platform soffit in the bearing post top, two waists of ladder frame are hollow bar type structure, bearing post is four and vertically is placed in the waist of two ladder frames in the correspondence one by one that self vertically is provided with a plurality of pin-and-holes the bearing post upper edge, and alignment pin passes the waist of ladder frame and inserts in the pin-and-hole;
Further, the bottom of ladder frame two waists is provided with floating support mechanism;
Further, described floating support structure comprises the screw rod of vertical setting, and the bearing post lower end is provided with internal thread, and screw rod is four and corresponding one by one being threaded onto on the internal thread of each bearing post;
Further, also comprise the mount pad that is used to install floating support, the mount pad upper end is the cavity of a depression, and the screw rod bottom is sphere formula structure and is embedded in the described cavity; The mount pad bottom surface is a toothed surface;
Further, also comprise the damping steel mesh, the damping steel mesh is fixedly set on the working platform;
Further, described working platform is the steel springboard.
Beneficial effect: mining hydraulic table of the present utility model, hydraulic oil import and hydraulic oil outlet are set in the hydraulic cylinder bottom, the hydraulic oil import is provided with in line check valve, and the hydraulic oil outlet is provided with fuel-displaced one way valve; When workbench need rise, open in line check valve, the hydraulic oil with enough pressure (or emulsion) that hydraulic oil (or emulsion) pumping plant provides is injected into hydraulic cylinder, and the piston rising drives whole workbench can rise to desired height; When workbench need descend, close in line check valve, open fuel-displaced one way valve, it is that workbench drops to desired location that the hydraulic oil in the hydraulic cylinder (or emulsion) flows back to the pumping plant workbench; Simple in structure, good reliability, energy fast lifting and adjusting workbench place height, make the headwork personal security and carry out powder charge and line work easily, guarantee the accuracy of tunnel tophole angle, make advance of working cycle and laneway molding reach the requirement of excavation operation rules, install simultaneously, dismounting and conveniently moving.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is mining hydraulic pressure liftable workbench front view;
Fig. 2 is mining hydraulic pressure liftable workbench left view;
Fig. 3 is mining hydraulic pressure liftable workbench vertical view;
Fig. 4 is the floating support enlarged drawing;
Fig. 5 is a floating support mount pad enlarged drawing;
Fig. 6 is hydraulic cylinder and advances discharge opeing combination valve fundamental diagram.
The specific embodiment
Fig. 1 is mining hydraulic pressure liftable workbench front view, Fig. 2 is mining hydraulic pressure liftable workbench left view, Fig. 3 is mining hydraulic pressure liftable workbench vertical view, Fig. 4 is the floating support enlarged drawing, Fig. 5 is a floating support mount pad enlarged drawing, Fig. 6 is hydraulic cylinder and advances discharge opeing combination valve fundamental diagram, as shown in the figure: the mining hydraulic pressure liftable workbench of present embodiment, comprise support, rack-mount working platform 1 and be used to drive the hydraulic cylinder 10 that working platform vertically moves back and forth, hydraulic cylinder body is fixedly set on the support, and hydraulic cylinder piston vertically withstands working platform 1 soffit; The hydraulic cylinder body bottom is provided with hydraulic oil import and hydraulic oil outlet, the hydraulic oil import is provided with in line check valve, the hydraulic oil outlet is provided with fuel-displaced one way valve, when workbench need rise, open in line check valve, the hydraulic oil with enough pressure (or emulsion) that hydraulic oil (or emulsion) pumping plant provides is injected into hydraulic cylinder, and the plunger-type cylinder rising drives whole workbench can rise to desired height; When workbench need descend, close in line check valve, open fuel-displaced one way valve, it is that workbench drops to desired location that the hydraulic oil in the hydraulic cylinder (or emulsion) flows back to the pumping plant workbench, simple to operation.
In the present embodiment, hydraulic oil import and hydraulic oil outlet are shared, and in line check valve and fuel-displaced one way valve are made integrally formed 3-position-3-way valve 11, and P is an oil-in, and T is an oil-out, is provided for the transposition handle 17 of switch spool on the three way cock; Operation transposition handle 17 changes the operating position of valve 11, thereby changes hydraulic oil (or emulsion) flow direction, thereby realizes the lifting of workbench.When workbench need rise, open three way cock 11 oil-ins, the hydraulic oil with enough pressure (or emulsion) that hydraulic oil (or emulsion) pumping plant provides is injected into hydraulic cylinder 10, hydraulic cylinder 10 pistons rise whole workbench are risen, when workbench need descend, open three way cock 11 oil-outs, hydraulic oil (or emulsion) arrives oil pipe 16 behind oil-out T, in the fuel tank that provides to unified pumping plant, workbench can drop to desired location at last.When the staff decontroled handle 17, handle 11 returned automatically in meta, and oil-in and oil-out are all closed.Potential energy disconnected each pipeline during three way cock 11 handles were in, has the effect of hydraulic pressure locking, workbench can rest on the optional position, realize the fast lifting adjusting of its height, the staff can be safely and is carried out powder charge and line work easily, guarantee the accuracy of tunnel tophole angle, make advance of working cycle and laneway molding reach the requirement of excavation operation rules.
In the present embodiment, described support comprises two ladder frames, be respectively left ladder frame 2 and right ladder frame 5, left side ladder frame 2 and right ladder frame 5 are oppositely arranged in the horizontal direction, working platform holds in the palm on two ladder frames by hook, and left diagonal member 3 and right diagonal member 8 intersect to form intertie, carries out cross support by intertie between left ladder frame 2 and the right ladder frame 5, be connected by bolt 4 between intertie and the ladder frame, intertie is two covers and is set up in parallel; It is simple and light, is easy to assembling.
Present embodiment also comprises the workbench lifting positioning component, described lifting positioning component comprises bearing post 12 and alignment pin 7, fixedly connected with the working platform soffit in bearing post 12 tops, two waists of ladder frame are hollow bar type structure, bearing post 12 is four and vertically is placed in each waist of ladder frame in the correspondence one by one, bearing post 12 upper edges self vertically are provided with a plurality of pin-and-holes, when working platform stays in differing heights, alignment pin 7 passes the waist of ladder frame and inserts in the pin-and-hole of respective heights, improve workbench machinery locking effect, device is more steadily reliable.Alignment pin 7 usefulness seizing wires 6 are connected on the ladder frame in the present embodiment, avoid losing.
In the present embodiment, the bottom of ladder frame two waists is provided with floating support mechanism 9; Floating support mechanism can regulate the length of certain waist of ladder frame by a small margin, makes workbench maintenance level on the ground of great slope, adapts to the varying environment needs.In the present embodiment, described floating support structure comprises the screw rod of vertical setting, and bearing post 12 lower ends are provided with internal thread 14, and screw rod is four and corresponding one by one being threaded onto on the internal thread of each bearing post; Rotate wherein one or more screw rod, with it Dui Ying bearing post straight down or move up, thereby the assurance support is laid on the ground of different gradient and all can be made working platform maintenance level.
Present embodiment also comprises the mount pad 15 that is used to install floating support, and mount pad 15 upper ends are the cavity of a depression, and the screw rod bottom is sphere formula structure and is embedded in the described cavity; The mount pad bottom surface is a toothed surface; Do rotation to a certain degree after the handle of rotation floating support mechanism 9 makes its bottom mount pad 15 stressed, adapt to less irregularity degree in ground and compacting ground automatically and form reliable contact, toothed surface makes the promptly ground that mount pad 15 can be more firm, and is safe.
Present embodiment also comprises damping steel mesh 13, and damping steel mesh 13 is fixedly set on the working platform 1; Vibration damping steel mesh 13 structures not only can alleviate deadweight but also can make on the workbench machinery equipment be convenient to fix.Working platform described in the present embodiment 1 is the steel springboard, and intensity is good, and material cheaply is easy to get.
During assembling hydraulic pressure Liftable type is mining workbench, with bolt 4 left ladder frame 2 and right ladder frame 5 are connected firmly with left diagonal member 3 and right diagonal member 8 earlier, then adjustable floating support 9 is installed in four vertical skeleton pipes of pack into together after supporting is leant in 12 left ladder frame 2, right ladder frame 5 one by one, next steel springboard 1 usefulness hook 1 is fixed on left ladder frame 2 and the right ladder frame 5, then vibration damping steel mesh 13 is contained on the steel springboard 1, last three way cock 11 and hydraulic cylinder 10 are installed on the left ladder frame 2.
During dismounting hydraulic pressure Liftable type is mining workbench, earlier pressing discharge opeing combination valve 11 and plunger-type cylinder 10 to unload down from left ladder frame 2, then vibration damping steel mesh 13 is unloaded down from working platform, taking off working platform then also separates left ladder frame 2, right ladder frame 5 with left diagonal member 3 and 8 dismountings of right diagonal member, next supporting is leant on 12 and from four waists of ladder frame 2 and right ladder frame 5, take off, at last adjustable floating support 9 is leant on to take off 12 from supporting and get final product.
Be noted that at last, above embodiment is only unrestricted in order to the technical scheme of explanation this case utility model, although the preferable EXPERIMENTAL EXAMPLE of reference is to the novel detailed description of carrying out of this use, those skilled in the art are to be understood that, can make amendment and be equal to replacement the technical solution of the utility model, and can not break away from aim of the present utility model and scope, it all should be encompassed in the middle of the utility model claim scope.

Claims (9)

1. mining hydraulic pressure liftable workbench, comprise support, rack-mount working platform (1) and be used to drive the hydraulic cylinder (10) that working platform vertically moves back and forth, it is characterized in that: hydraulic cylinder body is fixedly set on the support, and hydraulic cylinder piston vertically withstands the working platform soffit; The hydraulic cylinder body bottom is provided with hydraulic oil import and hydraulic oil outlet, and the hydraulic oil import is provided with in line check valve, and the hydraulic oil outlet is provided with fuel-displaced one way valve.
2. mining hydraulic pressure liftable workbench according to claim 1, it is characterized in that: described hydraulic oil import and hydraulic oil outlet are shared, described in line check valve and fuel-displaced one way valve are made integrally formed three way cock (11), are provided for the transposition handle (17) of switch spool on the three way cock (11).
3. mining hydraulic pressure liftable workbench according to claim 1 and 2, it is characterized in that: described support comprises two ladder frames, two ladder frames are oppositely arranged in the horizontal direction, the working platform holder is on two ladder frames, carry out cross support by intertie between two ladder frames, described intertie is two covers and is set up in parallel.
4. mining hydraulic pressure liftable workbench according to claim 4, it is characterized in that: also comprise the workbench lifting positioning component, described lifting positioning component comprises bearing post (12) and alignment pin (7), fixedly connected with working platform (1) soffit in bearing post (12) top, two waists of ladder frame are hollow bar type structure, bearing post (12) is four and vertically is placed in the waist of two ladder frames in the correspondence one by one, bearing post (12) upper edge self vertically is provided with a plurality of pin-and-holes, and alignment pin (7) passes the waist of ladder frame and inserts in the pin-and-hole.
5. mining hydraulic pressure liftable workbench according to claim 4, it is characterized in that: the bottom of two waists of ladder frame is provided with floating support mechanism (9).
6. mining hydraulic pressure liftable workbench according to claim 5, it is characterized in that: described floating support structure comprises the screw rod of vertical setting, the bearing post lower end is provided with internal thread (14), and screw rod is four and corresponding one by one being threaded onto on the internal thread (14) of each bearing post.
7. mining hydraulic pressure liftable workbench according to claim 6 is characterized in that: also comprise the mount pad (15) that is used to install floating support, mount pad (15) upper end is the cavity of a depression, and the screw rod bottom is sphere formula structure and is embedded in the described cavity; Mount pad (15) bottom surface is a toothed surface.
8. mining hydraulic pressure liftable workbench according to claim 7 is characterized in that: also comprise damping steel mesh (13), damping steel mesh (13) is fixedly set on the working platform (1).
9. mining hydraulic pressure liftable workbench according to claim 8 is characterized in that: described working platform (1) is the steel springboard.
CN 201120047313 2011-02-24 2011-02-24 Mining hydraulic liftable worktable Expired - Fee Related CN201991538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120047313 CN201991538U (en) 2011-02-24 2011-02-24 Mining hydraulic liftable worktable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120047313 CN201991538U (en) 2011-02-24 2011-02-24 Mining hydraulic liftable worktable

Publications (1)

Publication Number Publication Date
CN201991538U true CN201991538U (en) 2011-09-28

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ID=44668028

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Application Number Title Priority Date Filing Date
CN 201120047313 Expired - Fee Related CN201991538U (en) 2011-02-24 2011-02-24 Mining hydraulic liftable worktable

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Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195439A (en) * 2013-04-10 2013-07-10 中国长江三峡集团公司 Multifunctional working platform car for tunnel construction
CN103277112A (en) * 2013-06-22 2013-09-04 中铁十八局集团第二工程有限公司 Tunnel engineering train type rapid lifting and folding working platform
CN103334383A (en) * 2013-07-19 2013-10-02 济南金曰公路工程有限公司 Elevating device special for viaduct maintenance construction
CN103670435A (en) * 2013-12-24 2014-03-26 中铁西南科学研究院有限公司 Existing line railway tunnel defect comprehensive improvement operation trolley

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195439A (en) * 2013-04-10 2013-07-10 中国长江三峡集团公司 Multifunctional working platform car for tunnel construction
CN103277112A (en) * 2013-06-22 2013-09-04 中铁十八局集团第二工程有限公司 Tunnel engineering train type rapid lifting and folding working platform
CN103277112B (en) * 2013-06-22 2016-06-01 中铁十八局集团第二工程有限公司 Tunnel Engineering train formula fast lifting folding work platform
CN103334383A (en) * 2013-07-19 2013-10-02 济南金曰公路工程有限公司 Elevating device special for viaduct maintenance construction
CN103334383B (en) * 2013-07-19 2015-07-08 济南金曰公路工程有限公司 Elevating device special for viaduct maintenance construction
CN103670435A (en) * 2013-12-24 2014-03-26 中铁西南科学研究院有限公司 Existing line railway tunnel defect comprehensive improvement operation trolley

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110928

Termination date: 20140224