CN217735547U

CN217735547U - Universal caliper device for explosion-proof cover of air shaft

Info

Publication number: CN217735547U
Application number: CN202220819995.4U
Authority: CN
Inventors: 马海波; 王教辉; 王磊; 赵昌丽
Original assignee: Hefei Changjiang Automation Engineering Co ltd
Current assignee: Hefei Changjiang Automation Engineering Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-11-04
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a general calliper device of blast well explosion-proof lid belongs to calliper technical field, including the bottom plate, the last fixed surface of bottom plate is connected with the backup pad, and the inboard of backup pad rotates and is connected with the pivot, the side surface fixedly connected with calliper and the stopper of pivot, and the stopper is located the both sides of calliper, and the below of pivot is equipped with stop gear, the first gear of the equal fixedly connected with in both sides surface of pivot, and the outside of first gear is provided with a adjustment mechanism. Can open the explosion-proof cover under the condition of not dismantling calliper device to make things convenient for the staff to excrete the inside pressure of well that ventilates, secondly avoided the loaded down with trivial details process that the staff dismantled calliper device, thereby improved staff's work efficiency.

Description

Universal caliper device for explosion-proof cover of air shaft

Technical Field

The utility model relates to a general calliper device of blast well explosion-proof lid belongs to calliper technical field.

Background

The explosion-proof cover is an important safety facility of a ventilation system of a coal mine, is specially used for a main ventilator of the mine, namely a draw-out vertical shaft air outlet well, is arranged on a well mouth platform surface on the same axis of the air outlet well, and when explosion waves generated by gas and coal dust explosion in the underground impact a vertical wind well mouth, the explosion-proof cover can immediately ascend, open and release pressure, so that the pressure of the explosion waves is prevented from impacting the ventilator, and the normal operation of the ventilator is protected; after the explosion wave disappears, the explosion door is sucked back to fall by the self weight and the negative pressure of the ventilator to reset and close the well. And current explosion-proof cover is generally through the position of calliper device with explosion-proof cover installation at the well head, but the calliper device of current explosion-proof cover still has certain not enough, at first current calliper device generally is the buckle on explosion-proof cover, then fix the calliper device on the cliff in the well head outside through the screw rod, thereby the inconvenient staff of this kind of mode opens the pressure release to explosion-proof cover, consequently the pressure release is to need dismantle the screw rod on the calliper device at every turn, then just can open explosion-proof cover, because of more troublesome and reduced staff's work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a general calliper device of blast furnace blast-proof lid just lies in solving above-mentioned problem, can open the blast furnace blast-proof lid under the condition of not dismantling the calliper device to make things convenient for the staff to excrete the inside pressure of ventilation well, secondly avoided the loaded down with trivial details process that the staff dismantled the calliper device, thereby improved staff's work efficiency.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a general calliper device of blast well explosion-proof lid, comprising a base plate, the last fixed surface of bottom plate is connected with the backup pad, and the inboard rotation of backup pad is connected with the pivot, the side surface fixedly connected with calliper and the stopper of pivot, and the stopper is located the both sides of calliper, the below of pivot is equipped with stop gear, the first gear of the equal fixedly connected with in both sides surface of pivot, and the outside of first gear is provided with a adjustment mechanism.

Preferably, first adjustment mechanism includes the dwang, and the side surface fixedly connected with two second gears of dwang, the side surface and the first gear engagement of second gear are connected, backup pad fixedly connected with carousel is passed to dwang one end.

Preferably, the limiting mechanism comprises a sliding groove, a moving block is connected inside the sliding groove in a sliding mode, a clamping plate is fixedly connected to the upper surface of the moving block, and a second adjusting mechanism is arranged on the surface of one side of the moving block.

Preferably, the second adjusting mechanism comprises a pull rod, one end of the pull rod penetrates through the support plate and is fixedly connected with the handle, the pull rod is connected with the support plate in a sliding mode, a spring is sleeved on the side surface of the pull rod, one end of the spring is fixedly connected with the inner side wall of the support plate, and the other end of the spring is fixedly connected with the surface of one side of the moving block.

Preferably, the internal thread of the bottom plate is connected with a screw, and the screw is provided with four groups of screws which are respectively positioned at four corners of the bottom plate.

The utility model has the advantages that: the utility model discloses a cardboard that sets up in the second gear in first adjustment mechanism and the first gear of pivot both sides fixed surface connection and the stopper on pivot below stop gear outside surface mutually support with the pivot to can open the explosion-proof cover under the condition of not dismantling the calliper device, thereby make things convenient for the staff to excrete the inside pressure of ventilation well, secondly avoided the loaded down with trivial details process that the staff dismantled the calliper device, thereby improved staff's work efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: the automatic transmission comprises a base plate 1, a screw rod 2, a supporting plate 3, a first gear 4, a rotating shaft 5, a rotating rod 6, calipers 8, a second gear 9, a rotating disc 10, a limiting block 11, a handle 12, a sliding groove 13, a clamping plate 14, a spring 15, a pull rod 16 and a moving block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2 and show, a general calliper device of blast well explosion-proof cover, including bottom plate 1, the last fixed surface of bottom plate 1 is connected with backup pad 3, and the inboard rotation of backup pad 3 is connected with pivot 5, the side surface fixedly connected with calliper 8 and the stopper 11 of pivot 5, and stopper 11 is located calliper 8's both sides, the below of pivot 5 is equipped with stop gear, the equal fixedly connected with first gear 4 in both sides surface of pivot 5, and the outside of first gear 4 is provided with first adjustment mechanism, the internal thread of bottom plate 1 is connected with screw rod 2, and screw rod 2 is provided with four groups and is located four corners of bottom plate 1 respectively.

As a technical optimization scheme, first adjustment mechanism includes dwang 6, and two second gear 9 of the side surface fixedly connected with of dwang 6, the side surface and the 4 meshing of first gear of second gear 9 are connected, 3 fixedly connected with carousels 10 of backup pad are passed to dwang 6 one end, and second gear 9 through the side surface of dwang 6 mutually supports with 5 both sides fixed surface's of pivot first gear 4 to conveniently adjust calliper 8's angle, consequently conveniently control calliper 8 and carry out the buckle to the explosion-proof cover, thereby fix the explosion-proof cover.

As the utility model discloses a technical optimization scheme, stop gear includes spout 13, and the inside sliding connection of spout 13 has movable block 17, the last fixed surface of movable block 17 is connected with cardboard 14, a side surface of movable block 17 is equipped with second adjustment mechanism, and stopper 11 mutual buckle on cardboard 14 and the 5 outside surfaces of pivot through stop gear to can restrict the rotation of pivot 5, consequently prevent that 8 buckles of calliper are explosion-proof to cover the not hard up condition occasionally.

As a technical optimization scheme, second adjustment mechanism includes

pull rod

16, and 3 fixedly connected with handles 12 of backup pad are passed to pull rod 16's one end,

pull rod

16 and 3 sliding connection of backup pad, the side surface cover of pull rod 16 is equipped with spring 15, and the inside wall fixed connection of spring 15's one end and backup pad 3, spring 15's the other end and one side fixed surface of movable block 17 are connected, through spring 15 and pull rod 16 among the second adjustment mechanism to can remove stop gear spacing to 5, consequently make things convenient for the staff to adjust calliper 8's angle and carry out the pressure release to the ventilating shaft.

The utility model discloses when using, at first the staff passes through screw rod 2 with 1 fixed mounting of bottom plate around the ventilating shaft, then place the well head department at the ventilating shaft with explosion-proof cover, later the staff passes through handle 12 pulling pull rod 16, consequently pull rod 16 will move movable block 17 and cardboard 14 to the position that is close to backup pad 3, later the staff rotates dwang 6 through carousel 10 again, thereby dwang 6 will drive second gear 9 and rotate, consequently second gear 9 will drive calliper 8's rotation through pivot 5, thereby with calliper 8 tight buckle at explosion-proof cover's surface, later the staff loosens handle 12, thereby movable block 17 receives spring 15's elasticity and resumes original position, thereby cardboard 14 will carry out the buckle spacingly to pivot 5 through stopper 11, thereby it is not hard up to rotate when preventing that pivot 5 from receiving external force and lead to calliper 8.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a general calliper device of blast shaft explosion-proof cover, includes bottom plate (1), its characterized in that: the last fixed surface of bottom plate (1) is connected with backup pad (3), and the inboard of backup pad (3) rotates and is connected with pivot (5), the side surface fixedly connected with calliper (8) and stopper (11) of pivot (5), and stopper (11) are located the both sides of calliper (8), the below of pivot (5) is equipped with stop gear, the equal fixedly connected with first gear (4) in both sides surface of pivot (5), and the outside of first gear (4) is provided with first adjustment mechanism.

2. The universal caliper device for the explosion-proof cover of the wind turbine as claimed in claim 1, wherein: first adjustment mechanism includes dwang (6), and two second gear (9) of the side surface fixedly connected with of dwang (6), the side surface and first gear (4) meshing of second gear (9) are connected, backup pad (3) fixedly connected with carousel (10) are passed to dwang (6) one end.

3. The universal caliper device for the explosion-proof cover of the wind well as the claim 1 is characterized in that: the limiting mechanism comprises a sliding groove (13), a moving block (17) is connected inside the sliding groove (13) in a sliding mode, a clamping plate (14) is fixedly connected to the upper surface of the moving block (17), and a second adjusting mechanism is arranged on the surface of one side of the moving block (17).

4. The universal caliper device for the explosion-proof cover of the wind turbine as claimed in claim 3, wherein: the second adjusting mechanism comprises a pull rod (16), one end of the pull rod (16) penetrates through the support plate (3) and is fixedly connected with the handle (12), the pull rod (16) is connected with the support plate (3) in a sliding mode, a spring (15) is sleeved on the side surface of the pull rod (16), one end of the spring (15) is fixedly connected with the inner side wall of the support plate (3), and the other end of the spring (15) is fixedly connected with the surface of one side of the moving block (17).

5. The universal caliper device for the explosion-proof cover of the wind well as the claim 1 is characterized in that: the internal thread of bottom plate (1) is connected with screw rod (2), and screw rod (2) are provided with four groups and are located four corners of bottom plate (1) respectively.