CN202465164U

CN202465164U - Adjustable working brake

Info

Publication number: CN202465164U
Application number: CN2011205619518U
Authority: CN
Inventors: 黄涛; 陶永芹; 程东平; 张钦; 张从兵
Original assignee: Triumph Heavy Industry Co Ltd
Current assignee: Triumph Heavy Industry Co Ltd
Priority date: 2011-12-29
Filing date: 2011-12-29
Publication date: 2012-10-03
Anticipated expiration: 2021-12-29

Abstract

The utility model provides an adjustable working brake, and belongs to the technical field of brakes. The adjustable working brake comprises a base, wherein two first supports are symmetrically mounted on the left and right sides of the top of the base; the tops of the two first supports are connected with the lower ends of two big side arms; the two big side arms close to the internal side parts are connected with two brake shoes, wherein the upper end of one big side arm is hinged with one end of a handle; a first pull rod is connected between the other end of the handle and the upper end of the other big side arm; the top of the base is connected with two big side arm adjusting bolts; the upper parts of the two big side arm adjusting bolts are vertically welded with connecting plates, respectively; the other ends of the two connecting plates are fixed on the two brake shoes; two connecting blocks are mounted on the base; two radial adjusting bolts respectively penetrate through the connecting blocks on the sides of the radial adjusting bolts to be screwed with the first supports on this sides; each radial adjusting bolt is connected with the connecting block by threads; and a hole on the base, which allows a connecting bolt to penetrate through, is a waist-shaped hole. The adjustable working brake provided by the utility model has the advantages of convenience for debugging and high efficiency and can be continuously used after the position of the adjustable working brake is adjusted when the brake is out of control due to the wears of the brake shoes.

Description

Adjustable service brake

Technical field

The utility model relates to the drg technical field that has two brake blocks, refers to a kind of adjustable service brake that is used on the winch especially.

Background technology

Drg is widely used in all kinds of winches (winch) and other brake equipments.Usually small-sized drg Installation and Debugging are all more convenient.In conjunction with shown in Figure 1; Existing small-sized drg comprises base 1 '; Left and right sides symmetry above the base 1 ' is installed two first bearings 2 '; The top of two first bearings 2 ' is connected with the lower end of two big side arms 3 ' through several tie bolts 11 ' respectively; Two big side arms 3 ' are and are symmetrical set, and two big sidewalls 3 ' are gone up the bottom that connects 4 ', two brake shoes 4 ' of two brake shoes through the bearing pin symmetry near inside line and regulated bolt 5 ' through brake shoe respectively and be connected with two second bearings 6 '; Two second bearings 6 ' respectively through bolted connection on two big side arms 3 ', the inside face of two brake shoes 4 ' with the brake wheel external surface shape that will hold tightly corresponding.The upper end of one of them big side arm 3 ' is through an end of bearing pin hinged handle 7 '; The other end of handle 7 ' is connected with an end of first pull bar 8 ' through bearing pin; Handle 7 ' is connected (not shown) here with transmission device; Handle 7 ' drives and can rotate through transmission device, and the other end of first pull bar 8 ' and the upper end of another big side arm 3 ' are hinged, connects a big side arm adjusting bolt 9 ' respectively above being positioned at the base 1 ' of two first bearing 2 ' left and right sides; The top that two big side arms are regulated bolts 9 ' the vertical welding other end that connects 10 ', two connecting panels 10 ' of a plate respectively is connected with the lateral wall bottom of two brake shoes 4 ' through bolt respectively.

During Installation and Debugging; The parts that will be positioned at base 1 ' top earlier connect; Then the parts that assemble are placed on the brake wheel corresponding position; Make two brake shoes 4 ' paste the wheel rim of brake wheel, through tightening tie bolt a little two first bearings 2 ' are fixedly installed on the base 1 ' then, make the position between drg and the brake wheel metastable fixing; Then regulate bolt 9 ' through regulating big side arm, come two brake shoes 4 ' of fine adjustment vertically to the position, the center of drg is overlapped with the center of brake wheel; Tie bolt 11 ' between fastening more afterwards two first bearings 2 ' and the base 1 ' makes the stationkeeping of drg and base 1 '; Regulate brake shoe afterwards again and regulate bolt 5 ', two brake shoes 4 ' are fixed with the mutually opposed of brake wheel, the adjusting of this drg so far finishes.During use, when reel need stop operating, the handle 7 ' that drives on the drg through transmission device rotated counterclockwise, and makes two brake shoes 7 ' hold brake wheel tightly, and brake wheel does not change, and owing to brake wheel is installed on the reel, so reel quits work.

But existing drg only vertically to micro-adjusting mechanism is arranged, and radially do not having micro-adjusting mechanism, at first secondly inconvenient debugging when brake block abrasion is serious, also can't regulate diameter clearance, causes brake failure, can not re-use.

The utility model content

The purpose of the utility model is to provide a kind of adjustable service brake, and its debugging is convenient, efficient is high, when brake block abrasion causes brake failure, can the adjusting position continued use.

To achieve these goals; The technical solution of the utility model is: a kind of adjustable service brake, comprise base, and two first bearings are installed through several tie bolt symmetries in the left and right sides above the said base; The top lower end with two symmetrically arranged big side arms of two said first bearings is connected through bearing pin; Connect two brake shoes through the bearing pin symmetry on two said big sidewalls, the bottom of two said brake shoes is regulated bolt through brake shoe and is connected with two second bearings, and two said second bearings are fixed on two big side arms; The upper end of one of them said big side arm is through an end of bearing pin hinged handle; Be connected with first pull bar through bearing pin between the other end of said handle and another big side arm upper end, two big side arms adjusting bolts of the top connection of said base, the top of two said big side arm adjusting bolts vertical welding respectively connects a plate; The other end of two said connecting panels is individually fixed on two big side arms; Wherein also comprise two radiai adjustment bolts, be positioned on the said bases in two said first bearing outsides two contiguous blocks are installed that two said radiai adjustment bolts pass the contiguous block of its place side respectively; Between each said radiai adjustment bolt and the contiguous block for being threaded; After said brake shoe was adjusted to the right place, said radiai adjustment bolt withstood on first bearing through adjusting, but the hole on the base that said tie bolt passes is the waist shaped hole that the tie bolt horizontal cross moves.

The adjustable service brake of the utility model wherein also comprises length-adjustable second pull bar, and the two ends of said second pull bar are connected fixing respectively with two first bearings.

The adjustable service brake of the utility model; Wherein said second pull bar is made up of first and second screw rod and the lever regulated nut that is installed between first and second screw rod; The left end of said first screw rod is fixed on first bearing in left side, and the right-hand member of said second screw rod is fixed in first bearing on right side.

After adopting such scheme, the adjustable service brake of the utility model is set to waist shaped hole through the hole that tie bolt on the base passes, and the radiai adjustment bolt is spirally connected in two the first bearing outsides; Through regulating two radiai adjustment bolts, realize moving of two first bearings, thereby realize the radially fine setting between drg and reel or the brake wheel along horizontal cross; The drg center is overlapped with the brake wheel center, and its debug process is convenient, and efficient is high; And in using, work as brake block abrasion, when causing brake failure; Can regulate two radiai adjustment bolts again through unscrewing tie bolt earlier, two first bearings are moved to the relative direction horizontal cross; Diameter clearance between fine setting brake shoe and reel or the brake wheel is compensated the abrading section, continues to use this drg.

Description of drawings

Fig. 1 is the main TV structure scheme drawing of existing winch brake;

Fig. 2 is the main TV structure scheme drawing of the adjustable service brake of the utility model;

Fig. 3 is the waist shaped hole plan structure scheme drawing among Fig. 2.

The specific embodiment

See also shown in Figure 2ly, the adjustable service brake of the utility model comprises base 1, and the left and right sides is installed between 2, two first bearings 2 of two first bearings through several tie bolt 11 symmetries and is connected with second pull bar 15 above the base 1.Second pull bar 15 is made up of first screw rod 16, second screw rod 17 and the lever regulated nut 18 that is installed between first screw rod 16, second screw rod 17.The left end of first screw rod 16 is connected with first bearing 2 in left side through bearing pin, and the right-hand member of second screw rod 17 is connected with first bearing 2 on right side through bearing pin.

The top of two first bearings 2 is connected with the lower end of two big side arms 3 through bolt, and two big side arms 3 are and are symmetrical set.The front surface of two big sidewalls 3 connects two brake shoes 4 near inside line through the bearing pin symmetry; The bottom of two brake shoes 4 is regulated bolt 5 through brake shoe and is connected with two second bearings 6; Two second bearings 6 pass through bolt in the bottom of two big side arms 3; An end of bearing pin hinged handle 7 is passed through in the upper end that is positioned at the big side arm 3 in left side; Be connected through the two ends of bearing pin with first pull bar 8 between the upper end of the other end of handle 7 and the big side arm 3 in right side, handle 7 is connected with transmission device, drives handle 7 through transmission device and rotates.Two big side arms of the top connection of base 1 are regulated bolt 9; The top that two big side arms are regulated bolts 9 respectively vertical welding connect 10, two connecting panels 10 of a plate the other end respectively through bolt in the lateral wall bottom of two big side arms 3, be positioned on the base 1 in two first bearing 2 outsides and be welded with two contiguous blocks 13; Two radiai adjustment bolts 12 pass the contiguous block 13 of its place side respectively; Be between two radiai adjustment bolts 12 and two contiguous blocks 13 and be threaded, two radiai adjustment bolts 12 are and are symmetrical set, when two brake shoes 4 regulate put in place after; The lateral surface of two first bearings 2 is withstood in the end of two radiai adjustment bolts 12; Play the radial location effect, in conjunction with shown in Figure 3, the hole that the tie bolt 11 that base 1 is provided with passes is that tie bolt 11 can be along the waist shaped hole 14 of side travel.

The adjustable service brake of the utility model is through connecting second pull bar 15 between two first bearings 2; When this drg is installed; After the parts above the base 1 assemble together, form osed top quadrangle integrative-structure, the assembling parts on the existing drg base of its texture ratio top is three limit opening shape dimensionally stables; Easy for installation, safety, efficient are high; Solved existing assembling parts and be connected inconveniently with base, Installation and Debugging efficient is low, and has the problem of potential safety hazard when installing.

Two first bearings 2 are set to waist shaped hole 14 with the connecting bore of base 1, and the radiai adjustment bolt 12 that is spirally connected respectively in the outside of two first bearings 2 is during Installation and Debugging; Through regulating setting nut 18 and two the radiai adjustment bolts 12 on second pull bar 15, make two first bearings 2 realize that horizontal cross moves, i.e. sway; Thereby realize the radially fine setting between drg and reel or the brake wheel; The drg center is overlapped with the brake wheel center, and its debug process is convenient, and efficient is high; And in using; When brake shoe 4 wearing and tearing cause brake failure, can two first bearings 2 be moved to the relative direction horizontal cross through regulating setting nut 18 and two the radiai adjustment bolts 12 on second pull bar 15; Regulate the diameter clearance between two brake shoes 4 and reel or the brake wheel; Again embrace the brake wheel outer rim, the abrading section is compensated, this drg can continue to use.

The above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineering staff in this area make the technical scheme of the utility model all should fall in the protection domain that claims of the utility model confirm.

Claims

1. adjustable service brake; Comprise base (1); Two first bearings (2) are installed through several tie bolts (11) symmetry in the left and right sides above the said base (1); The top lower end with two symmetrically arranged big side arms (3) of two said first bearings (2) is connected through bearing pin; Two said big sidewalls (3) are gone up through the bearing pin symmetry and are connected two brake shoes (4), and the bottom of two said brake shoes (4) is regulated bolt (5) through brake shoe and is connected with two second bearings (6), and two said second bearings (6) are fixed on two big side arms (3); The upper end of one of them said big side arm (3) is through an end of bearing pin hinged handle (7); Be connected with first pull bar (8) through bearing pin between the other end of said handle (7) and another big side arm (3) upper end, two big side arms adjusting bolts (9) of the top connection of said base (1), the top of two said big side arm adjusting bolts (9) vertical welding respectively connects a plate (10); The other end of two said connecting panels (10) is individually fixed on two big side arms (3); It is characterized in that: also comprise two radiai adjustment bolts (12), be positioned on the said base (1) in two said first bearings (2) outsides two contiguous blocks (13) are installed that two said radiai adjustment bolts (12) pass the contiguous block (13) of its place side respectively; Between each said radiai adjustment bolt (12) and the contiguous block (13) for being threaded; After said brake shoe was adjusted to the right place, said radiai adjustment bolt (12) withstood on first bearing (2) through regulating, the hole on the base (1) that said tie bolt (11) passes be tie bolt (11) but waist shaped hole (14) that horizontal cross moves.

2. adjustable service brake as claimed in claim 1 is characterized in that: also comprise length-adjustable second pull bar (15), the two ends of said second pull bar (15) are connected fixing respectively with two first bearings (2).

3. adjustable service brake as claimed in claim 2; It is characterized in that: said second pull bar (15) is by first and second screw rod (16; 17) and be installed on first and second screw rod (16; 17) the lever regulated nut (18) between is formed, and the left end of said first screw rod (16) is fixed on first bearing (2) in left side, and the right-hand member of said second screw rod (17) is fixed in first bearing (2) on right side.