CN217024014U - Friction adjusting device for power and free conveying chain - Google Patents

Abstract

The utility model provides a friction force adjusting device for a power and free type conveying chain, and belongs to the technical field of automatic conveying systems. The friction rod solves the problems that the friction force of the existing friction rod acting on the ratchet wheel can not be adjusted and the utilization rate of the friction rod is low. This a frictional force adjusting device for long-pending formula conveying chain of putting is including dismantling the friction stick and the spring of connection, and this a frictional force adjusting device for long-pending formula conveying chain of putting still includes the top push subassembly and is used for being connected the sleeve that carries thing car and both ends and run through, and friction stick and spring are worn to establish in the sleeve and the friction stick is stretched out by the sleeve front end, and top push subassembly swing joint is in sleeve rear end and can fix a position, can promote the spring and make the friction stick outwards stretch out when the top push subassembly inwards stretches into the sleeve. The friction force adjusting device for the accumulation type conveying chain can effectively utilize the residual friction rods, so that the utilization rate of the friction rods is higher, and the production and manufacturing cost is reduced; meanwhile, the friction force can be adjusted on line, the object carrying vehicle does not need to be detached, and the maintenance efficiency is improved.

Description

Friction adjusting device for power and free conveying chain

Technical Field

The utility model belongs to the technical field of automatic conveying systems, and relates to a friction force adjusting device for a power and free type conveying chain.

Background

The power and free conveying chain is a common automatic conveying device in the existing manufacturing industry, and generally comprises a carrying vehicle, a walking track, a traction chain, a driving device, a plurality of stoppers and other components which are arranged on the traction track, wherein the carrying vehicle is also generally provided with a plurality of ratchets meshed with the traction chain and a plurality of friction devices, the friction devices are specifically friction rods (specifically carbon rods) fixed in a clamping manner and springs, one end of each spring is fixedly connected with the carrying vehicle, and the friction rods are abutted against the outer surfaces of the ratchets.

In the use, the ratchet can be because the tight power (frictional force) of support of friction stick keep forbidding to move through the drive chain motion drive year thing car, and when carrying thing car and moving to certain position of walking track (need carry the thing car stagnation promptly), the stopper can offset the tight power (frictional force) of support that the friction stick acted on the ratchet for the ratchet rotates along with drive chain, carries the thing car under this state and can stagnate.

However, the friction device has a great defect that one end of the spring is fixedly connected with the carrying vehicle, the other end of the spring is connected with the friction rod, the elastic abutting force of the spring acting on the friction rod is always kept unchanged, the elastic acting force of the spring can enable the friction rod to abut against the outer surface of the ratchet wheel in a short time, so that the carrying vehicle can normally work, but the friction rod can be continuously abraded after being used for a period of time, so that the length of the friction rod is continuously shortened, but the elastic abutting force of the spring is always kept in an original state, so that the abutting force (friction force) between the friction rod and the surface of the ratchet wheel is continuously weakened, the ratchet wheel cannot be kept static, and the carrying vehicle can slip in the working process; in addition, the used friction rod can not be used continuously, but still has a long residual amount, thereby causing resource waste and increasing the production cost.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, provides a friction force adjusting device for a power and free type conveying chain, and aims to solve the technical problems that: how to make the force of the friction bar acting on the ratchet wheel adjustable and improve the utilization rate of the friction bar.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a frictional force adjusting device for long-pending formula conveying chain of putting, is including dismantling the friction stick and the spring of connection, its characterized in that, this a frictional force adjusting device for long-pending formula conveying chain of putting still includes the top push subassembly and is used for connecting the sleeve that carries thing car and both ends and run through, wear to establish with the spring friction stick in the sleeve just the friction stick by the sleeve front end is stretched out, top push subassembly swing joint be in sleeve rear end can fix a position, top push subassembly inwards stretches into can promote during the sleeve the spring makes the friction stick outwards stretches out.

The friction force adjusting device for the accumulating type conveying chain comprises a sleeve, a pushing assembly, a friction rod and a spring, wherein two ends of the sleeve are arranged in a penetrating mode, the friction rod and the spring are detachably connected together, the friction rod and the spring are connected and then penetrate through the sleeve and extend out of the front end of the sleeve, the pushing assembly is movably connected to the rear end of the sleeve, one end of the pushing assembly extends out of the rear end of the sleeve, the other end of the pushing assembly abuts against the spring, in the actual use process, a worker can assemble the friction force adjusting device on a carrying vehicle of the accumulating type conveying chain, the friction rod abuts against a ratchet wheel of the carrying vehicle through the matching of the pushing assembly and the spring, and therefore a traction chain on the accumulating type conveying chain can drive the carrying vehicle to move; meanwhile, after the friction bar is used for a period of time, the friction bar is abraded, and at the moment, a worker can adjust the size of the pushing assembly extending into the sleeve to enable the spring to be extruded and generate elastic deformation, so that the friction bar is pushed outwards through the spring and extends outwards to be fully contacted with the ratchet wheel again, the continuous weakening of the abutting force (friction force) between the friction bar and the surface of the ratchet wheel is avoided, and the phenomenon that the carrying vehicle slips in the working process is avoided; the friction force adjusting device can effectively utilize the residual friction rods, so that the utilization rate of the friction rods is higher, and the production and manufacturing cost is reduced; in addition, this frictional force adjusting device compares in prior art, can adjust the volume of stretching into that pushes away the subassembly before using to this adjusts the degree of supporting tightly between friction stick and the ratchet, thereby also can avoid between the two because the too big friction stick that causes of supporting tight power wearing and tearing are too fast.

In the friction force adjusting device for the accumulation type conveying chain, the pushing assembly comprises an ejecting bolt, the ejecting bolt is in threaded connection with the rear end of the sleeve, one end of the ejecting bolt extends out of the rear end of the sleeve, and the other end of the ejecting bolt abuts against the spring.

The pushing assembly comprises a pushing bolt, the pushing bolt is specifically screwed with the rear end of the sleeve, one end of the pushing bolt extends out of the rear end of the sleeve, the other end of the pushing bolt is abutted against the spring, in the actual use process, a worker can screw the pushing bolt through a tool, the stretching action of the pushing bolt is realized, the extending amount of the friction rod can be changed, the pushing bolt and the sleeve are connected in a screwed mode, and the adjusting amount of the pushing bolt can be more accurately adjusted when the pushing bolt is screwed.

In the friction force adjusting device for the stacking type conveying chain, the rear end of the sleeve is provided with the first nut, the first nut is provided with the first positioning holes, the rear end of the sleeve is provided with the second positioning holes, the first nut penetrates through the positioning holes through screws and is screwed into the second positioning holes for fixing, and the ejection bolt is in threaded connection with the rear end of the sleeve through the first nut.

The rear end of the sleeve is provided with a first nut, a plurality of first positioning holes are formed in the first nut, a plurality of second positioning holes are correspondingly formed in the rear end of the sleeve, the first nut penetrates through the positioning holes through a screw and is screwed into the second positioning holes to be fixed with the sleeve, and during subsequent assembly, a worker can penetrate through the rear end of the sleeve and then is in threaded connection with the inner surface of the first nut, so that the ejection bolt can stretch relative to the sleeve; as a replacement scheme, the manufacturer also can directly omit the first nut, directly tapping in the hole that the sleeve rear end was seted up for ejecting bolt can directly carry out the spiro union with the sleeve, but two kinds of schemes are compared, and ejecting bolt and nut are the standard component among the prior art, and both cooperate the tolerance volume littleer, thereby make the manufacturer need not to attack at the sleeve rear end and establish the screw hole corresponding with ejecting bolt size, and it is more convenient to make, and the cost is lower.

In the friction force adjusting device for the accumulation type conveying chain, a connecting hole is formed in one outer side wall of the nut, a locking pin is arranged in the connecting hole, and the locking pin can be screwed into the connecting hole and abuts against the outer side wall of the ejection bolt.

The outer side wall of the first nut is further provided with at least one connecting hole, the connecting hole is internally screwed by a locking pin, when a worker screws the ejection bolt inwards, the worker can screw the locking pin inwards at the moment, the locking pin is abutted to the outer side wall of the ejection bolt, and therefore the bolt is limited, and the stability of the friction rod in the using process is guaranteed.

In the friction force adjusting device for the stacking type conveying chain, the pushing assembly further comprises a second nut, and the second nut is screwed on one end, extending out of the sleeve, of the pushing bolt and is welded and fixed.

The pushing assembly further comprises a second nut, the second nut is screwed at one end, extending out of the sleeve, of the ejection bolt, and is fixedly connected with the ejection bolt in a welding mode after being positioned, so that the second nut is fixed on the ejection bolt, when a follow-up worker needs to adjust the extending amount of the ejection bolt, the second nut can be clamped through a tool, then the second nut is screwed to enable the ejection bolt to rotate together, and the operation is more labor-saving.

In foretell a frictional force adjusting device for long-pending formula conveying chain of putting, the friction stick becomes the column, the friction stick is close to the sunken joint portion that forms in one end circumference edge of spring, the spring keep away from the one end of ejecting bolt with joint portion joint.

The friction stick specifically becomes the column, and its one end circumference edge that is close to the spring is sunken to form joint portion, and the user can keep away from the one end of ejecting bolt with the spring and be fixed together with joint portion joint to guarantee friction stick and spring coupling's reliability.

Compared with the prior art, the friction adjusting device for the power and free conveying chain has the following advantages:

one, this a frictional force adjusting device for long-pending formula conveying chain of putting can stretch into the size volume in the sleeve through adjusting the top subassembly that pushes away, make the spring extruded and produce elastic deformation, outwards push away the friction stick through the spring from this, make the friction stick outwards stretch out and fully contact once more with the ratchet, avoid the friction stick constantly to weaken with the supporting power (frictional force) on ratchet surface, and push away the subassembly and can constantly outwards push away remaining friction stick, make the friction stick utilization ratio higher, thereby reduce production manufacturing cost.

The pushing assembly comprises an ejection bolt, the ejection bolt is specifically screwed with the rear end of the sleeve, one end of the ejection bolt extends out of the rear end of the sleeve, the other end of the ejection bolt abuts against the spring, a worker can screw the ejection bolt through a tool, so that the ejection bolt is stretched and drives the friction rod to extend out, the ejection bolt is screwed with the sleeve, and the adjustment amount of the ejection bolt is more accurate when the ejection bolt is screwed.

The rear end of the sleeve is provided with a first nut, the first nut is provided with a plurality of first positioning holes, the rear end of the sleeve is correspondingly provided with a plurality of second positioning holes, the first nut penetrates through the positioning holes through a screw to be screwed into the second positioning holes to be fixed with the sleeve, and a worker can enable one end of the ejection bolt to penetrate out of the rear end of the sleeve to be in threaded connection with the inner surface of the first nut, so that the ejection bolt can stretch relative to the sleeve.

Fourthly, when the ejecting bolt is inwards screwed, the staff can inwards screw the locking pin in the connecting hole, so that the locking pin is abutted against the outer side wall of the ejecting bolt, the bolt is limited from the outside, and the stability of the friction rod in the using process is further ensured.

And the second nut is screwed at one end of the ejection bolt extending out of the sleeve, and the ejection bolt and the second nut are fixedly connected through a welding mode after being positioned, so that when a worker needs to adjust the extending amount of the ejection bolt, the second nut can be clamped through a tool, the ejection bolt can rotate along with the second nut, and the operation is more labor-saving.

Sixthly, the circumferential edge of one end, close to the spring, of the friction rod is sunken to form a clamping portion, one end, far away from the ejection bolt, of the spring is fixedly clamped with the clamping portion, and the reliability of connection of the friction rod and the spring is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the friction force adjusting device for the accumulation type conveying chain.

Fig. 2 is a sectional view of the friction adjusting device for the stacking conveyor chain.

Fig. 3 is a schematic view of the structure of the sleeve.

Fig. 4 is a schematic structural view of the ejector assembly.

FIG. 5 is a schematic view of the friction bar and spring configuration.

In the figure, 1, a rubbing stick; 1a, a clamping part; 2. a spring; 3. a pushing assembly; 3a, ejecting a bolt; 3b, a second nut; 4. a sleeve; 4a, a first nut; 4a1, positioning hole I; 4a2, connecting hole; 4a21, locking pin; 4b, positioning holes.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, the friction force adjusting device for the stacking conveyor chain comprises a sleeve 4, a pushing assembly 3, a friction rod 1 and a spring 2, wherein the sleeve 4 is cylindrical and provided with two ends penetrating through the sleeve, a clamping part 1a is formed by sinking one end of the friction rod 1 at the circumferential edge, one end of the spring 2 is clamped and fixed with the clamping part 1a, the pushing assembly 3 specifically comprises a pushing bolt 3a and a nut II 3b, when the stacking conveyor chain is assembled, the pushing bolt 3a can extend into the sleeve 4 from the front end thereof and extend out from the rear end of the sleeve 4, the flange end of the pushing bolt 3a is abutted against the inner wall of the rear end of the sleeve 4, so as to limit the pushing bolt 3a, the nut II 3b is screwed at one end of the pushing bolt 3a extending out of the sleeve 4 and is further fixed by welding, the sleeved spring 2 and the friction rod 1 are inserted from the front end of the sleeve 4, so that the spring 2 abuts against the flange end of the ejection bolt 3a and the friction bar 1 extends out of the front end of the sleeve 4.

As shown in fig. 1-3, the rear end of the sleeve 4 is provided with a first nut 4a, the first nut 4a is provided with at least two positioning holes 4a1 penetrating through two ends of the first nut along the circumferential direction of the first nut 4a, the outer wall of the rear end of the sleeve 4 is provided with two positioning holes two 4b, the first nut 4a specifically penetrates through the positioning holes one 4a1 through screws and is screwed into the positioning holes two 4b, so that the first nut 4a is positioned at the rear end of the sleeve 4, and the threaded end of the ejector bolt 3a can be matched with the thread on the inner surface of the first nut 4a to realize screw connection after penetrating through the opening at the rear end of the sleeve 4 in the installation process; in addition, a connecting hole 4a2 penetrating through the outer side wall and the inner side wall of the nut 4a is formed in the outer wall of one side of the nut 4a, a locking pin 4a21 is screwed in the connecting hole 4a2, and the locking pin 4a21 can be screwed inwards and is abutted against the outer side wall of the ejection bolt 3 a.

Furthermore, as an alternative: the first nut 4a can also be fixed at the rear end of the sleeve 4 by welding, glue bonding, integral casting and the like.

The use principle is as follows: the staff can assemble the frictional force adjusting device after finishing the equipment in the carrier loader bottom, and the staff can adjust the volume of stretching into of ejecting bolt 3a through the frock before the use, promotes spring 2 through ejecting bolt 3a for spring 2 takes place elastic deformation, and spring 2 can be used in the one end of friction stick 1 with the thrust that self received this moment, makes the other end of friction stick 1 support tightly on the ratchet, then the staff inwards screws up locking round pin 4a21 again can.

After using one end time friction stick 1 to take place wearing and tearing, the staff can outwards withdraw from locking round pin 4a21 this moment, then continue inwards to screw up ejecting bolt 3a through ejecting bolt 3a promotion spring 2 through the frock, make spring 2 take place elastic deformation, spring 2 can be with the one end that self received thrust effect at friction stick 1 this moment, make friction stick 1 outwards stretch out and make the other end of self support tightly on the ratchet again, then the staff inwards screws up locking round pin 4a21 again can.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although 1, rub bar is used more herein; 1a, a clamping part; 2. a spring; 3. a pushing assembly; 3a, ejecting a bolt; 3b, a second nut; 4. a sleeve; 4a, a first nut; 4a1, positioning hole I; 4a2, connecting hole; 4a21, a locking pin; 4b, locating holes, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.

Claims (6)

1. The utility model provides a frictional force adjusting device for long-pending formula conveying chain of putting, including can dismantle friction stick (1) and spring (2) of connection, its characterized in that, this a frictional force adjusting device for long-pending formula conveying chain of putting still includes top push subassembly (3) and sleeve (4) that are used for connecting and carry thing car and both ends to run through, wear to establish friction stick (1) and spring (2) sleeve (4) in just friction stick (1) by sleeve (4) front end is stretched out, top push subassembly (3) swing joint be in sleeve (4) rear end can fix a position, top push subassembly (3) inwards stretch into can promote during sleeve (4) spring (2) make friction stick (1) outwards stretch out.

2. The friction force adjusting device for the accumulation conveyor chain according to claim 1, wherein the pushing assembly (3) comprises an ejecting bolt (3a), the ejecting bolt (3a) is in threaded connection with the rear end of the sleeve (4), one end of the ejecting bolt (3a) extends out of the rear end of the sleeve (4), and the other end of the ejecting bolt abuts against the spring (2).

3. The friction force adjusting device for the accumulation type conveying chain as claimed in claim 2, wherein the sleeve (4) is provided with a first nut (4a) at the rear end, the first nut (4a) is provided with a plurality of first positioning holes (4a1), the sleeve (4) is provided with a plurality of second positioning holes (4b) at the rear end, the first nut (4a) passes through the first positioning holes (4a1) by screws and is screwed into the second positioning holes (4b) for fixing, and the ejector bolt (3a) is in threaded connection with the rear end of the sleeve (4) by the first nut (4 a).

4. The friction force adjusting device for the accumulation type conveying chain as claimed in claim 3, wherein a connecting hole (4a2) is formed in the outer side wall of the nut I (4a), a locking pin (4a21) is arranged in the connecting hole (4a2), and the locking pin (4a21) can be screwed into the connecting hole (4a2) and abuts against the outer side wall of the ejection bolt (3 a).

5. The friction force adjusting device for the accumulation conveyor chain according to any one of claims 2 to 4, wherein the pushing assembly (3) further comprises a second nut (3b), and the second nut (3b) is screwed on one end, extending out of the sleeve (4), of the ejection bolt (3a) and is welded and fixed.

6. The friction force adjusting device for the accumulation type conveying chain according to claim 2, wherein the friction rod (1) is columnar, one end of the friction rod (1) close to the spring (2) is recessed at the circumferential edge to form a clamping portion (1a), and one end of the spring (2) far away from the ejection bolt (3a) is clamped with the clamping portion (1 a).

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