CN102636384A

CN102636384A - Chassis of harness cord wire spring testing equipment

Info

Publication number: CN102636384A
Application number: CN2012101119095A
Authority: CN
Inventors: 胡金永; 翁华轩
Original assignee: ZHEJIANG KD TEXTILE MACHINERY CO Ltd
Current assignee: ZHEJIANG KD TEXTILE MACHINERY CO Ltd
Priority date: 2012-04-16
Filing date: 2012-04-16
Publication date: 2012-08-15

Abstract

The invention discloses a chassis of harness cord wire spring testing equipment. The chassis comprises a square framework. A fixing frame is arranged at the upper part of the framework; the fixing frame is connected with the bottom of the framework through a supporting rod; a harness returning frame is fixed on the supporting rod; and an inclined-arranged motor bracket is fixed at the bottom of the framework. According to the chassis of the harness cord wire spring testing equipment provided by the invention, the harness returning frame is fixed at the bottom of the framework through the supporting rod; a harness cord wire spring is fixed on the harness returning frame; and meanwhile, the inclined-arranged motor bracket is fixed at the bottom of the framework; a motor is mounted on the motor bracket, and drives a crank-rocker mechanism to drive a transmission shaft to do up-and-down reciprocating motion to simulate weaving motion of a weaving machine, so as to test properties of a spring. Therefore, a testing result is greatly reduced. The motor is arranged in an inclined manner, so that a belt wheel of a belt transmission mechanism drives a belt to be at a tension state due to gravity effects, and the belt is prevented from be loosened for a long period of time.

Description

A kind of underframe of harness cord thread spring testing apparatus

Technical field

The present invention relates to field of textile machinery, the test machine of the spring on particularly a kind of harness cord thread.

Background technology

At present, all have supporting harness to make on various jacquards, the weaving loom, harness is made and is used for the carrying out of warp constantly promoted and descending in the process of weaving cotton cloth.Like Fig. 1, harness is made and is generally comprised harness cord thread 101, heald bar 102, heald 103, spring 104, and heald bar 102 1 ends are communicated with silk thread 101; The other end connects heald 103, and heald 103 is connected on the spring 104, and heald bar 102 is provided with harness eye 105; The warp of the usefulness of weaving cotton cloth just passes harness eye 105, in the process of weaving cotton cloth, drives warp through pulling harness cord thread 101 and constantly promotes and decline; In harness cord thread lifting and decline process, the spring 104 that connects heald 103 plays the effect of return.Because spring constantly draws high answer; So the indexs such as intensity for spring just have very high requirement; The a collection of spring of every use just need detect earlier it, and the test for the harness cord thread spring does not now have special equipment, can only test through artificial means; Experience with the technician judges that the test duration is longer.

Summary of the invention

The invention provides a kind of underframe of testing apparatus of harness cord thread spring; The harness cord thread spring can conveniently be installed; And propulsion system, so that testing apparatus is tested under the condition of weaving cotton cloth the harness cord thread spring accurately and effectively, differentiate the quality of spring; Improve the efficient that detects greatly, thereby optimize choosing and using of spring.

Technical scheme of the present invention is:

A kind of underframe of harness cord thread spring testing apparatus comprises tetragonal framework, and framework upper is provided with fixed mount, and fixed mount is connected with base of frame through support bar, is fixed with back heald frame on the support bar, and base of frame is fixed with the electric machine support that is obliquely installed.

The underframe of harness cord thread spring checkout equipment provided by the invention; Fix back heald frame through support bar in base of frame, returning on the heald frame fixedly harness cord thread spring, simultaneously at the electric machine support of base of frame constant tilt setting; Motor is installed on the electric machine support; Drive transmission shaft through the driven by motor crank and rocker mechanism and pump and simulate the action that weaving loom is weaved,, make test result shorten greatly with this performance of coming test spring; Motor is obliquely installed and makes the belt pulley of belt gear be in tensioning state because action of gravity drives belt always, has avoided owing to the long-time belt that uses relaxes.

Description of drawings

Fig. 1 is that the harness cord thread that harness is made in the existing weaving loom connects synoptic diagram.

Fig. 2 is the perspective view that spring testing apparatus of the present invention is installed.

Fig. 3 is the Facad structure synoptic diagram that spring testing apparatus of the present invention is installed.

Fig. 4 is the right view of Fig. 3.

Fig. 5 is the left view of Fig. 3.

Fig. 6 is the vertical view of Fig. 3.

Fig. 7 is an eyelet strip enlarged diagram partly among Fig. 2.

Fig. 8 is the enlarged diagram that returns the heald frame part among Fig. 2.

Fig. 9 is the enlarged diagram of Fig. 8 medi-spring connector part.

Embodiment

Like Fig. 2, a kind of underframe of harness cord thread spring testing apparatus comprises tetragonal framework 1; Framework 1 top is provided with fixed mount 110, and fixed mount 110 is connected with base of frame through support bar 111, is fixed with back heald frame 5 on the support bar 111; Return heald frame and clamped by two fixed blocks 90 about in the of 5, through screw fixed block 90 is locked then, base of frame is fixed with the electric machine support 27 that is obliquely installed; Motor 2 is installed on the electric machine support 27, motor 2 output terminal connecting crank endplay devices, and crank and rocker mechanism connects transmission shaft 11; Transmission shaft 11 connecting band gear trains are fixed with hook folder 13 on the driving-belt 12 of tape handler, be fixed with joint hook 14 on the hook folder 13; Be connected with rapid-acting coupling 15 on the joint hook 14, connect harness cord thread 16 in the rapid-acting coupling 15, harness cord thread 16 passes through wires hole 31 and the eyelet 41 on the keevil frame 4 on the eyelet strip 3 successively; Harness cord thread 16 is connected on the spring 17 of keevil frame 4 belows, and spring 17 is fixed on back on the heald frame 5.

Motor 2 is obliquely installed and makes the belt pulley of belt gear be in tensioning state because action of gravity drives belt 26 always, has avoided owing to the long-time belt that uses relaxes.Electric machine support 27 is 30 °-35 ° with the angle of framework 1 bottom level face tilt in addition, can fully guarantee the tensioning stretching unlikely obstacle that causes motor rotation of while of belt like this.Between motor 2 and electric machine support 27, be provided with adjustment plate 28; Motor 2 is fixing with adjustment plate 28, is connected through adjusting nut 29 between adjustment plate 28 and the electric machine support 27, after motor 2 is turning round a period of time; Because vibrations make the angle of inclination of motor change; The angle that just needs again electricity to transfer motor at this time can be regulated the angle of inclination of adjustment plate 28 through adjusting nut 29, reaches the purpose of adjustment motor.

Like Fig. 3, crank and rocker mechanism can directly be connected with motor 2, and the following eccentric wheel 18 of crank and rocker mechanism is connected with motor output shaft, and following eccentric wheel 18 connects drive link 20, and drive link 20 connects goes up eccentric wheel 21, and last eccentric wheel 21 connects transmission shaft 11.

Crank and rocker mechanism also can connect motor 2 through belt gear; Belt gear comprises driving pulley 24, negative pulley wheel 25 and belt 26; Driving pulley 24 connects motor output shaft, and negative pulley wheel 25 is connected with following eccentric wheel 18, and following eccentric wheel 18 connects drive link 20; Drive link 20 connects goes up eccentric wheel 21, and last eccentric wheel 21 connects transmission shaft 11.

Transmission shaft 11 connecting band gear trains, tape handler is arranged on the erecting frame 22, and tape handler comprises driving-belt 12, and erecting frame 22 both sides respectively are provided with a driving-belt 12; With a side is example, is connected with driving wheel 7 and a plurality of follower 19 on the driving-belt 12, and present embodiment is 5 followers; Driving wheel 7 is fixedly connected 11,5 followers of transmission shaft and is provided with respectively up and down, is provided with 3 above; Be provided with 2 below, driving-belt 12 is divided into 4 sections, the travelling belt 12 of both sides has four groups in twos relatively like this; Be fixed with hook folder 13 between every group, be fixed with a plurality of joint hooks 14 on each hook folder 13, be connected with a rapid-acting coupling 15 on each joint hook 14.Each follower all is fixed on the erecting frame 22, and erecting frame 22 is bolted on the crossbeam 10 through adjustment, and crossbeam 10 is fixed on the bracing frame 9, and bracing frame 9 is fixed on the framework 1, and eyelet strip 3 is fixed on the erecting frame 22.Be fixed with eccentric wheel installing plate 23 on the crossbeam 10, last eccentric wheel 21 all is arranged on the eccentric wheel installing plate 23 with following eccentric wheel 18.Return heald frame 5 and be fixed on framework 1 bottom.Return on the heald frame 5 and be fixed with spring connector 51, spring connector 51 is provided with screw thread 511, and spring precession screw thread 511 advances with spring connector 51 to be fixedly connected.

When spring is tested, once can test, on the screw thread of the harness cord thread spring 17 1 end precession spring connectors 51 that we will test a lot of springs; Be connected with spring connector 51, spring 17 other ends connect harness cord thread 16, harness cord thread 16 other one be connected in the rapid-acting coupling 15; Harness cord thread 16 is linked spring 17 from rapid-acting coupling 15, and middle harness cord thread 16 has the through wires hole 31 of much evenly arranging earlier through eyelet strip 3 on the eyelet strip 3; Harness cord thread 1 just passes in through wires hole 31, can pass a through wires hole by every harness cord thread, also can pass a through wires hole by many harness cord threads in order to practice thrift through wires hole; Harness cord thread passes after the eyelet strip 3; Pass keevil frame 4 again, have a lot of eyelet 41 on the keevil frame 4, every harness cord thread 16 passes an eyelet 41; Harness cord thread passes the spring that is connected to a root after the eyelet and gets on; Make spring all to separate, can the phase mutual friction in drawing high process, harness cord thread and spring can be simulated a stressing conditions of spring when weaving on the weaving loom like this.

Connect harness cord thread 16 rapid-acting coupling 15 can and joint hook 14 between realize plug quickly and easily, a lot of of joint hook 14 1 rows are fixed on the hooks folder 13, the two ends of hook folder 13 are fixed on the travelling belt 12 of erecting frame 22 both sides.

When carrying out the spring test, starter motor 2, motor 2 output shafts drive driving pulley 24, belt 26, negative pulley wheel 25 rotations; Negative pulley wheel 25 drives the crank and rocker mechanism that is attached thereto, and following eccentric wheel 18 rotates and drives drive link 20, upward eccentric wheel about 21 back and forth rotates, and back and forth rotates thereby drive transmission shaft about 11; Transmission shaft 11 drive that driving wheel 7 in the tape handlers do not stop about back and forth rotate, then driving-belt 12 is just changeing reversing a little while a little while, does reciprocal rotation; Because driving-belt 12 is divided into four sections by follower 19 up and down, so the folder of the hook on these four sections driving-belts 13 will present two risings, two other decline; Two declines, the situation that two other just rises, and be isolated; Just simulated when weaving on the weaving loom fully, warp situation one on the other at interval is when hook folder 13 rises; Just be equivalent to harness cord thread 16 pulling springs 17 and stretch, when hook folder 13 descended, spring 17 will return; The continuous extension recovery of spring like this as long as control the rotating speed of motor 2 well, just can configure the frequency of transmission shaft 11 left-right rotation; It is the extension recovery frequency of setting spring 17; When spring 17 situation such as break that after test after a while, is damaged, just can know the serviceable life and the frequency of utilization of spring like this, thus learn detection spring quality how.

Claims

1. the underframe of a harness cord thread spring testing apparatus; It is characterized in that; Comprise tetragonal framework (1), framework (1) top is provided with fixed mount (110), and fixed mount (110) is connected with base of frame through support bar (111); Be fixed with back heald frame (5) on the support bar (111), base of frame is fixed with the electric machine support (27) that is obliquely installed.