CN201554475U - Novel pillar for thin coal seam working face - Google Patents

Abstract

A novel pillar for a thin coal seam working face comprises a fixed pillar, a movable pillar, a hydraulic top and a locking plate, and is characterized in that the hydraulic top is matched with a base; two bolts are matched and fixed with two unthreaded holes uniformly distributed on the base and two threaded holes at the bottom of the hydraulic top; the side wall of the inner cavity of the fixed pillar is matched and fixed with the outer diameter of the hydraulic top and the upper surface of the base in a welding manner; the movable pillar is in sliding fit with the wall of the inner cavity of the fixed pillar; the lower end surface of the movable pillar is matched with the top of a hydraulic rod on the hydraulic top; three hinged lugs on the locking plate are respectively matched with three hinged lugs on the fixed pillar; a pin shaft is matched and hinged with hinged unthreaded holes on two hinged lugs on the fixed pillar and hinged holes on two hinged lugs on the locking plate; a lock pin is matched with an unthreaded hole on one hinged lug on the fixed pillar and an unthreaded hole on one hinged lug on the locking plate; locking teeth on the locking plate are matched with locking teeth uniformly distributed on the movable pillar; and a positioning screw is matched with a threaded hole on the fixed pillar and matched with a positioning chute on the movable pillar.

Description

A kind of novel thin seam working surface pillar

Affiliated technical field

The utility model relates to a kind of coal mine work area suspension device, especially a kind of thin seam working surface pillar.

Background technology

At present, colliery high seam work plane adopts hydraulic prop to replace original wood materials supporting already, and in 0.7 to 0.25 meter thick thin seam working surface, should so be to adopt original wood materials supporting, on October 28th, 2009 State Intellectual Property Office's notice of authorization a kind of " thin seam working surface pillar ", should " thin seam working surface pillar " manually the tooth bar pillar be extracted from anchor post, withstand on the top board, oblique Xie stationary rack pillar, thereby exist following deficiency: 1, tooth bar pillar and top board that to cover support force not enough, easily cause accidents such as abominable roof fall.2, throw oblique Xie stationary rack pillar into iron hammer, under the pressure of top board, tiltedly Xie is stressed easily withdraws from like this, causes the stationary rack pillar to break away from top board, and it is time-consuming to require great effort simultaneously.

Summary of the invention

In order to overcome the deficiency that prior art exists, the utility model provides a kind of thin seam working surface pillar, and this thin seam working surface pillar can not only support the thin seam working surface top board, and easy to operate, safe and reliable, reusable.

The technical scheme in the invention for solving the technical problem is: be by anchor post, portable stanchion, hydraulic pressure top and locking board are formed, anchor post is made up of anchor post body and base, the anchor post body section is a square hollow, one side has square orifice near top, square orifice one side has two hinged ears, opposite side has a hinged ear, near the bottom gathering hole is arranged, near top a hole is arranged, base is square, uniform two unthreaded holes, the hydraulic pressure top cooperates with base, pressure control stick on the hydraulic pressure top and reducing valve are corresponding near the bottom gathering hole with anchor post, and lean out the anchor post side surface, two bolts cooperate fixing with two silk holes of uniform two unthreaded holes of base and hydraulic pressure top/bottom part, the anchor post intracavity sidewall cooperates solid welding with hydraulic pressure top external diameter and base upper surface, the portable stanchion cross section is a square hollow, one side has uniform locking tooth, opposite side has positioning runner, portable stanchion and anchor post internal chamber wall are slidingly matched, hydraulic stem top on its lower surface and the hydraulic pressure top cooperates, and uniform locking tooth one side and the square orifice one side corresponding matching on the anchor post are arranged, locking board has two hinged ears by two locking tooth one sides, opposite side is made up of a hinged ear, three hinged ears have a hinge hole respectively, three hinged ears on the locking board respectively with anchor post on three hinged ears, cooperate, hinged unthreaded hole on two hinged ears on bearing pin and the anchor post and the hinge hole coordination hinge on two hinged ears on the locking board, unthreaded hole on the hinged ear on lock pin and the anchor post and the unthreaded hole on the hinged ear on the locking board cooperate, locking tooth uniform on locking tooth on the locking board and the portable stanchion cooperates, silk hole on set screw and the anchor post cooperates, and cooperates with positioning runner on the portable stanchion.

The beneficial effects of the utility model are, this a kind of novel thin seam working surface pillar, owing to designed the structure as a result that hydraulic pressure top and set screw cooperate with positioning runner on the portable stanchion, portable stanchion has substituted manual work fully when sliding up and down in the anchor post inner chamber, strengthened support force, guaranteed the fit angle of portable stanchion and location-plate, guaranteed that the fixed teeth on the location-plate correctly cooperates with fixed teeth on the portable stanchion, increased support coefficient, reusable, easy to operate, safe and reliable.Below in conjunction with drawings and Examples the utility model is further specified.

Description of drawings

Fig. 1 is the utility model structure chart,

Fig. 2 is the right view of the utility model Fig. 1,

Fig. 3 is the utility model anchor post topology view,

Fig. 4 is the A-A sectional view of the new Fig. 3 of this practicality,

Fig. 5 is the utility model locking board topology view,

Fig. 6 is the locking board structure vertical view of the utility model figure,

Fig. 7 is the utility model locking board and portable stanchion mated condition figure.

The specific embodiment

Of the present utility model is that the specific embodiment is: with reference to Fig. 1, Fig. 2, be by anchor post, portable stanchion, hydraulic pressure top and locking board are formed, anchor post is made up of anchor post body 4 and base 12, with reference to Fig. 1, Fig. 3, Fig. 4 anchor post body 4 cross sections are square hollow, one side has square orifice 25 near top, square orifice 25 1 sides have two hinged ears 16,19, opposite side has a hinged ear 8, near the bottom gathering hole 15 is arranged, near top a hole is arranged, casting, base is square, uniform two unthreaded holes, hydraulic pressure top 10 cooperates with base 12, pressure control stick 11 on the hydraulic pressure top 10 and reducing valve 14 are corresponding near bottom gathering hole 15 with anchor post 4, and lean out anchor post 4 side surfaces, two bolts 13 cooperate fixing with two silk holes that base 12 uniform two unthreaded holes and hydraulic pressure push up 10 bottoms, anchor post 4 intracavity sidewalls push up 10 external diameters with hydraulic pressure and base 12 upper surfaces cooperate solid welding, portable stanchion 2 cross sections are square hollow, one side has uniform locking tooth 3, opposite side has positioning runner 21, portable stanchion 2 is slidingly matched with anchor post 4 internal chamber walls, its lower surface cooperates with hydraulic stem 9 tops that hydraulic pressure pushes up on 10, and uniform locking tooth 3 one sides and the square orifice 25 1 side corresponding matching on the anchor post 4 are arranged, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7, locking board is by two locking teeth 27,29, one side has two hinged ears 17,18, opposite side is made up of a hinged ear 6, three hinged ears 17,18,6 have a hinge hole 26 respectively, 30,28, three hinged ears 17 on the locking board 7,18,6 respectively with anchor post 4 on three hinged ears 8,16,19 cooperate, two hinged ears 16 on bearing pin 20 and the anchor post 4, hinged unthreaded hole 24 on 19,31 and locking board 7 on two hinged ears 17, hinge hole 26 on 18,30 coordination hinges, unthreaded hole 23 on the hinged ear 8 on lock pin 5 and the anchor post 4 and the unthreaded hole 28 on the hinged ear 6 on the locking board 7 cooperate, locking tooth 27 on the locking board 7,29 cooperate with uniform locking tooth 3 on the portable stanchion 2, silk hole on set screw 22 and the anchor post 4 cooperates, and cooperates with positioning runner 21 on the portable stanchion 2.With reference to Fig. 1, Fig. 2, its operating principle is: when using, earlier this pillar is vertically stood in and need the Support Position, at this moment the ground of four on the bed plate 12 pawl cooperates with ground, press the pressure operation bar 11 on the hydraulic pressure top 10, hydraulic stem 9 rises, and it is up to push portable stanchion 2, top cap 1 on the portable stanchion 2 is closely cooperated with face roof, a hinged ear 8 on the locking board 7 that closes, lock pin 5 and anchor post 4 and a hinged ear 6 on the locking board 4 cooperate and get final product, when removing pillar, take out lock pin 5, open locking board 7, turn reducing valve 14, at this moment hydraulic stem 9 is descending, portable stanchion 2 is descending, withdraws from this pillar and gets final product.

Claims (3)

1. novel thin seam working surface pillar, be by anchor post, portable stanchion, hydraulic pressure top and locking board are formed, it is characterized in that: the hydraulic pressure top cooperates with base, pressure control stick on the hydraulic pressure top and reducing valve are corresponding near the bottom gathering hole with anchor post, and lean out the anchor post side surface, two bolts cooperate fixing with two silk holes of uniform two unthreaded holes of base and hydraulic pressure top/bottom part, the anchor post intracavity sidewall cooperates solid welding with hydraulic pressure top external diameter and base upper surface, portable stanchion and anchor post internal chamber wall are slidingly matched, hydraulic stem top on its lower surface and the hydraulic pressure top cooperates, and uniform locking tooth one side and the square orifice one side corresponding matching on the anchor post are arranged, three hinged ears have a hinge hole respectively, three hinged ears on the locking board cooperate with three hinged ears on the anchor post respectively, hinged unthreaded hole on two hinged ears on bearing pin and the anchor post and the hinge hole coordination hinge on two hinged ears on the locking board, unthreaded hole on the hinged ear on lock pin and the anchor post and the unthreaded hole on the hinged ear on the locking board cooperate, locking tooth uniform on locking tooth on the locking board and the portable stanchion cooperates, silk hole on set screw and the anchor post cooperates, and cooperates with positioning runner on the portable stanchion.

2. a kind of novel thin seam working surface pillar according to claim 1, it is characterized in that: anchor post is made up of anchor post body and base, and the anchor post body section is a square hollow, and a side has square orifice near top, square orifice one side has two hinged ears, opposite side has a hinged ear, near the bottom gathering hole is arranged, and near top a hole is arranged, casting, base is square, uniform two unthreaded holes

3. a kind of novel thin seam working surface pillar according to claim 1, it is characterized in that: the portable stanchion cross section is a square hollow, and a side has uniform locking tooth, and opposite side has positioning runner.

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