CN211867061U - High-precision accessory pressing and connecting device for coal mine electromechanical equipment - Google Patents

Abstract

The utility model discloses a high-precision fitting pressing and connecting device for coal mine electromechanical equipment, which comprises a base, a positioning groove is arranged in the middle of the top end of the base, a positioning block is connected to the inner wall of the positioning groove in a sliding manner, the top end of the positioning block is welded with a pressing seat, one side of the top of the base is provided with a fixed groove, the inner wall of the fixed groove is connected with a movable block in a sliding way, limiting rods are welded at two ends of one side of the inner wall of the fixed groove, inserting rods are welded at two ends of the movable block, the movable block is slid and the first compression spring is compressed to drive the inserted rod to slide for a certain distance, then the positioning block at the bottom end of the pressing seat is inserted into the positioning groove to release the movable block, because the inserted bar is inserted into the corresponding slot on the pressing seat under the action of the first compression spring, the pressing head can be quickly installed through the screw rod at the bottom end of the movable plate, thereby be convenient for the pressure head with press the change of seat, still be convenient for simultaneously change not unidimensional pressure head and press the seat and carry out the pressfitting work of different accessories.

Description

High-precision accessory pressing and connecting device for coal mine electromechanical equipment

Technical Field

The utility model relates to a colliery electromechanical device installation field specifically is a colliery electromechanical device high accuracy accessory pressfitting connecting device.

Background

Coal mines are areas where people mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open-pit coal mines, a lot of electromechanical equipment is needed in coal mining, and when the electromechanical equipment is used for processing, parts need to be connected in a pressing mode, so that a connecting device needs to be correspondingly pressed.

However, since most of the pressure heads and pressure bases of the existing press-fit connection devices are installed by bolts and welding, and are difficult to disassemble and replace if deformed or damaged during long-term use, a high-precision accessory press-fit connection device for coal mine electromechanical equipment is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-accuracy accessory pressfitting connecting device of colliery electromechanical device can effectively solve and to propose in the above-mentioned background art because current pressfitting connecting device's pressure head with press the seat and install through bolt and welded mode mostly, if warp or damage when using for a long time and be difficult to dismantle the problem of changing.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision accessory pressing connection device for coal mine electromechanical equipment comprises a base, wherein an L-shaped supporting plate is installed on the side face of the base through a screw, a fixing assembly is installed at the top end of the base, and the fixing assembly comprises a positioning groove, a positioning block, a pressing seat, a fixing groove, a movable block, a limiting rod, a first compression spring, an inserting rod, an air cylinder, a movable plate and a pressing head;

the base top middle part has been seted up the constant head tank, constant head tank inner wall sliding connection has the locating piece, the welding of locating piece top has the pressure seat, the fixed slot has been seted up to base top one side, fixed slot inner wall sliding connection has the movable block, the gag lever post has all been welded at fixed slot inner wall one side both ends, the outside one side cover of gag lever post has first compression spring, the inserted bar has all been welded at the movable block both ends, L type backup pad top middle part is fixed to run through has the cylinder, the fly leaf is installed to the cylinder bottom, the pressure head is installed through the screw rod in the.

Preferably, the two sides of the front surface of the pressing seat are provided with slots corresponding to the inserted rods.

Preferably, one end of the limiting rod movably penetrates through one side of the front face of the movable block.

Preferably, the positioning telescopic rods are installed on two sides of the top end of the movable plate through screws, the bottom end of the pressing head is connected with the extrusion frame in a sliding mode, the second compression springs are welded on two sides of the bottom end of the inner side of the extrusion frame, and the limiting blocks are welded at two ends of the pressing head.

Preferably, the two sides of the extrusion frame are both provided with limiting holes corresponding to the limiting blocks.

Preferably, one end of the pressing seat is provided with a clamping assembly, and the clamping assembly comprises a screw rod, a connecting block, an extrusion block, a positioning rod and a limiting ring;

the pressing seat is characterized in that a lead screw penetrates through one end of the pressing seat in a movable mode, connecting blocks are sleeved at two ends of the outer side of the lead screw in a movable mode, an extrusion block is welded at the top end of each connecting block, positioning rods are mounted at two ends of the pressing seat through screws, one end of each positioning rod penetrates through the side face of each connecting block in a movable mode, and limiting rings are sleeved on two sides of the lead screw in a fixed.

Preferably, the threads formed on the two sides of the outer part of the screw rod are opposite.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. through the slip movable block to compress first compression spring, drive the inserted bar certain distance that slides, then will press the locating piece of seat bottom to insert the constant head tank, release movable block, because first compression spring's effect makes the inserted bar insert and presses the slot that corresponds on the seat, the pressure head also can be installed fast through the screw rod of fly leaf bottom, thereby be convenient for the pressure head with press the change of seat, still be convenient for simultaneously change not unidimensional pressure head and press the seat and carry out the pressfitting work of different accessories.

2. The extrusion frame is movably sleeved outside the pressure head, the bottom end of the inner side of the extrusion frame is connected with the pressure head through a second compression spring, the pressure head is convenient to buffer when pressing is carried out on the accessory, and the accessory is prevented from being damaged due to sudden stress.

3. Through turning to the lead screw, make the extrusion piece in lead screw outside both ends move in opposite directions to can carry out the centre gripping with accessory both sides before the accessory carries out the pressfitting and fix, the accessory sideslips when preventing the accessory pressfitting and causes the pressfitting failure.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the fixing assembly of the present invention;

FIG. 3 is a schematic view of the installation structure of the insert rod of the present invention;

FIG. 4 is a schematic view of the installation structure of the extrusion frame of the present invention;

fig. 5 is a schematic view of an installation structure of a second compression spring according to the present invention;

fig. 6 is a schematic structural view of the clamping assembly of the present invention;

reference numbers in the figures: 1. a base; 2. an L-shaped support plate;

3. a fixing assembly; 301. positioning a groove; 302. positioning blocks; 303. pressing a base; 304. fixing grooves; 305. a movable block; 306. a limiting rod; 307. a first compression spring; 308. inserting a rod; 309. a cylinder; 310. a movable plate; 311. a pressure head;

4. positioning the telescopic rod; 5. extruding the frame; 6. a second compression spring; 7. a limiting block;

8. a clamping assembly; 801. a screw rod; 802. connecting blocks; 803. extruding the block; 804. positioning a rod; 805. a limit ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-6, the utility model provides a technical scheme, a high-precision accessory pressfitting connecting device of coal mine electromechanical device, including base 1, there is L type backup pad 2 base 1 side through the screw installation, and fixed subassembly 3 is installed on base 1 top, and fixed subassembly 3 includes constant head tank 301, locating piece 302, presses seat 303, fixed slot 304, movable block 305, gag lever post 306, first compression spring 307, inserted bar 308, cylinder 309, fly leaf 310 and pressure head 311;

the middle part of the top end of the base 1 is provided with a positioning groove 301, the inner wall of the positioning groove 301 is connected with a positioning block 302 in a sliding way, the top end of the positioning block 302 is welded with a pressing seat 303, one side of the top of the base 1 is provided with a fixing groove 304, the inner wall of the fixing groove 304 is connected with a movable block 305 in a sliding way, two ends of one side of the inner wall of the fixing groove 304 are both welded with a limiting rod 306, one side of the outer part of the limiting rod 306 is sleeved with a first compression spring 307, two ends of the movable block 305 are both welded with an insertion rod 308, the middle part of the top end of the L-shaped supporting plate 2 is fixedly penetrated with an air cylinder 309, the bottom end of the air cylinder 309 is provided with a movable plate 310, the bottom end of the movable plate 310 is provided with a pressing head 311 through a screw rod, two sides of the front surface of the pressing, fly leaf 310 top both sides all have location telescopic link 4 through the mounting screw, and pressure head 311 bottom sliding connection has extrusion frame 5, and second compression spring 6 has all been welded to the inboard bottom both sides of extrusion frame 5, and stopper 7 has all been welded at pressure head 311 both ends, is convenient for cushion when tentatively atress the accessory pressfitting, and the spacing hole that corresponds with stopper 7 is all seted up to extrusion frame 5 both sides, is convenient for restrict pressure head 311 at the inboard home range of extrusion frame 5.

One end of the pressing seat 303 is provided with a clamping assembly 8, and the clamping assembly 8 comprises a screw rod 801, a connecting block 802, an extrusion block 803, a positioning rod 804 and a limiting ring 805;

the screw rod 801 movably penetrates through one end of the pressing seat 303, the connecting blocks 802 are movably sleeved at two ends of the outer side of the screw rod 801, the extrusion blocks 803 are welded at the top ends of the connecting blocks 802, the positioning rods 804 are mounted at two ends of the pressing seat 303 through screws, the side faces of the connecting blocks 802 movably penetrate through one ends of the positioning rods 804, the limiting rings 805 are fixedly sleeved on two sides of the screw rod 801, threads formed on two sides of the outer portion of the screw rod 801 are opposite, and the extrusion blocks 803 on two sides are driven to move oppositely or in a back-to-back mode when the.

The utility model discloses a theory of operation and use flow: when the pressing base 303 is installed or replaced, the movable block 305 is slid outwards to enable the movable block 305 to slide on the limiting rod 306 and compress the first compression spring 307, then the positioning block 302 at the bottom end of the pressing base 303 is aligned with the positioning groove 301 on the base 1 to be inserted, the movable block 305 is released after the completion, due to the elastic force of the first compression spring 307, the movable block 305 is reset and drives the insertion rods 308 at two sides of the movable block to move, so that the insertion rods 308 are just inserted into the corresponding insertion grooves on the pressing base 303, and the installation of the pressing base 303 is completed, when the pressing head 311 is installed, only the screw rod on the movable plate 310 needs to be aligned with the thread groove on the pressing head 311 to be screwed, the installation of the pressing head 311 and the pressing base 303 is convenient and quick, and the later-stage damage replacement and replacement of different pressing heads 311 and pressing bases 303 to;

before the accessory pressfitting, place the accessory on pressing the seat 303 top, then rotate lead screw 801, because the screw thread that the outside both sides of lead screw 801 were seted up is opposite, connecting block 802 cup joints on lead screw 801 through the screw thread, thereby make the extrusion piece 803 of both sides move in opposite directions through the effect of locating lever 804, thereby press from both sides the accessory, sideslip when preventing the accessory pressfitting influences the pressfitting quality, when carrying out the pressfitting, because the extrusion frame 5 has been cup jointed in the activity of pressure head 311 outside, the inboard bottom of extrusion frame 5 is connected with pressure head 311 through second compression spring 6, and through stopper 7 restriction activity range, thereby make pressure head 311 during operation, extrusion frame 5 contact accessory, can cushion the initial atress state of accessory through second compression spring 6, prevent that the accessory from receiving the power suddenly and receive the damage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a high-accuracy accessory pressfitting connecting device of colliery electromechanical device, includes base (1), its characterized in that: the side surface of the base (1) is provided with an L-shaped supporting plate (2) through a screw, the top end of the base (1) is provided with a fixing component (3), and the fixing component (3) comprises a positioning groove (301), a positioning block (302), a pressing seat (303), a fixing groove (304), a movable block (305), a limiting rod (306), a first compression spring (307), an inserting rod (308), an air cylinder (309), a movable plate (310) and a pressure head (311);

constant head tank (301) have been seted up at base (1) top middle part, constant head tank (301) inner wall sliding connection has locating piece (302), locating piece (302) top welding has pressure seat (303), fixed slot (304) have been seted up to base (1) top one side, fixed slot (304) inner wall sliding connection has movable block (305), gag lever post (306) have all been welded at fixed slot (304) inner wall one side both ends, gag lever post (306) outside one side cover has first compression spring (307), inserted bar (308) have all been welded at movable block (305) both ends, L type backup pad (2) top middle part is fixed to have run through cylinder (309), fly leaf (310) are installed to cylinder (309) bottom, press head (311) are installed through the screw rod in fly leaf (310) bottom.

2. The coal mine electromechanical device high-precision fitting press-fit connection device according to claim 1, characterized in that: the two sides of the front surface of the pressing seat (303) are provided with slots corresponding to the inserting rods (308).

3. The coal mine electromechanical device high-precision fitting press-fit connection device according to claim 1, characterized in that: one end of the limiting rod (306) movably penetrates through one side of the front face of the movable block (305).

4. The coal mine electromechanical device high-precision fitting press-fit connection device according to claim 1, characterized in that: fly leaf (310) top both sides all have location telescopic link (4) through the screw mounting, pressure head (311) bottom sliding connection has extrusion frame (5), second compression spring (6) have all been welded to the inboard bottom both sides of extrusion frame (5), stopper (7) have all been welded at pressure head (311) both ends.

5. The coal mine electromechanical device high-precision fitting press-fit connection device according to claim 4, wherein: and both sides of the extrusion frame (5) are provided with limit holes corresponding to the limit blocks (7).

6. The coal mine electromechanical device high-precision fitting press-fit connection device according to claim 1, characterized in that: one end of the pressure seat (303) is provided with a clamping assembly (8), and the clamping assembly (8) comprises a screw rod (801), a connecting block (802), an extrusion block (803), a positioning rod (804) and a limiting ring (805);

press seat (303) one end activity to run through lead screw (801), connecting block (802) have all been cup jointed in the equal activity in lead screw (801) outside both ends, the welding of connecting block (802) top has extrusion piece (803), press seat (303) both ends all to have locating lever (804) through the mounting screw, and locating lever (804) one end activity run through connecting block (802) side, lead screw (801) both sides are all fixed the spacing ring (805) of having cup jointed.

7. The coal mine electromechanical device high-precision fitting press-fit connection device according to claim 6, wherein: the threads formed on the two outer sides of the screw rod (801) are opposite.

Images