CN217440714U

CN217440714U - Transmission chain mounting tool

Info

Publication number: CN217440714U
Application number: CN202123126617.2U
Authority: CN
Inventors: 张红霞; 李劲松; 季修武; 李勇; 徐杰
Original assignee: Weiqiao Textile Co Ltd
Current assignee: Weiqiao Textile Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-09-16
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a driving chain mounting tool, belonging to the technical field of driving chain mounting, comprising a handle, a cross frame, a rotating rod and a sliding frame; the middle part of the transverse frame is connected with one end of the handle, and the two ends of the transverse frame are respectively and rotatably connected with a clamping arm; one end of the clamping arm, which is far away from the transverse frame, is provided with a clamping block for clamping a roller on the transmission chain; the two ends of the sliding frame are provided with press wheels for limiting the outer sides of the clamping arms, the middle part of the sliding frame is rotationally connected with a rotating rod, and the rotating rod penetrates through the handle and is in threaded connection with the handle; the clamping blocks at the front end of the clamping arm clamp the rollers at two ends of the transmission chain, the rotating rod rotates relative to the handle, the sliding frame is driven to slide forwards through the rotating rod, the clamping arms are pressed through the pressing wheels at the left end and the right end of the sliding frame, the clamping at the two ends of the transmission chain is achieved to be close to the ends of the transmission chain, the through holes of the inner chain plate and the outer chain plate at the ends are aligned, the pin shaft is inserted, and the transmission chain is conveniently installed. The single convenient installation to the drive chain can be realized, and the installation efficiency of the drive chain is effectively improved.

Description

Transmission chain mounting tool

Technical Field

The utility model belongs to the technical field of the drive chain installation, specifically speaking is a drive chain mounting tool.

Background

The transmission chain is a component for transmitting power and is matched with the chain wheel to realize power transmission.

The transmission chain is generally referred to as a rolling chain and is composed of an inner chain plate, an outer chain plate, a pin shaft, a sleeve and a roller as shown in fig. 4; wherein the inner chain plate is fixedly connected with the sleeve, the outer chain plate is fixedly connected with the pin shaft by interference fit, and the inner chain plate and the sleeve are called as inner chain links and outer chain links; the roller is in clearance fit with the sleeve and the sleeve is in clearance fit with the pin shaft. When the inner and outer chain plates are relatively deflected, the sleeve can rotate freely around the pin shaft. The roller is sleeved on the sleeve, and when the roller works, the roller rolls along the tooth profile of the chain wheel, so that the abrasion of the gear teeth can be reduced.

After the transmission chain is used for a long time, the abrasion phenomenon can occur, the transmission chain needs to be disassembled, maintained and replaced, when the transmission chain is installed, two persons are generally needed to cooperate and operate, one person pulls the two ends of the chain, the two ends are made to be close to each other, the inner chain plate through hole and the outer chain plate through hole of the end portion are aligned by the other person, the pin shaft is inserted, and the transmission chain is installed.

The transmission chain is installed in the mode, so that the large labor force is consumed, the installation time is long, the operation is complex, and the installation efficiency of the transmission chain is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a drive chain mounting tool can one carry out the installation operation to drive chain, and simple to operate, swift, and the installation effectiveness is high.

The utility model discloses a realize through following technical scheme:

a driving chain mounting tool comprises a handle, a cross frame, a rotating rod and a sliding frame; the middle part of the transverse frame is connected with one end of the handle, and the two ends of the transverse frame are respectively and rotatably connected with a clamping arm; one end of the clamping arm, which is far away from the transverse frame, is provided with a clamping block for clamping a roller on the transmission chain; the two ends of the sliding frame are provided with pinch rollers for limiting the outer side of the clamping arm, the middle part of the sliding frame is rotationally connected with a rotating rod, and the rotating rod penetrates through the handle and is in threaded connection with the handle; the rotating rod rotates relative to the handle to drive the sliding frame to slide back and forth, so that the opening and closing actions of the two clamping arms are realized.

The utility model is further improved in that two ends of the sliding frame are provided with notches for the clamping arms to pass through; the pinch roller rotates and installs in the breach border, and its circumference side and arm lock outside butt.

The utility model discloses a further improvement still has, and the bull stick slides and runs through the balladeur train, and is equipped with the spacing stopper in both sides around the balladeur train on it.

The utility model discloses a further improvement still, the arm lock is kept away from the elasticity that the clamp splice was connected with the inside pulling between one end and the handle and is drawn the piece.

The utility model discloses a further improvement still, the relative inboard of two clamp splice is equipped with the indent that agrees with the roller on the drive chain.

The utility model discloses a further improvement still, the one end that the balladeur train was kept away from to the bull stick is equipped with the operation portion.

According to the technical scheme provided by the utility model, the beneficial effects are that:

simple structure, the simple operation, the security is high, and the practicality is good. When installing transmission chain, transmission chain encircles on two sprockets, and the clamp splice through tip before the arm lock carries out the centre gripping to the roller at transmission chain both ends, and the relative handle of bull stick rotates, slides forward through bull stick drive balladeur train, carries out the pressfitting to the arm of pressing from both sides through the pinch roller at balladeur train left and right ends, realizes being close to transmission chain both ends's centre gripping, aligns to the inside and outside link joint through-hole of tip, and the plug dress round pin axle realizes the convenient installation to transmission chain. The single convenient installation to the drive chain can be realized, and the installation efficiency of the drive chain is effectively improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first direction structure diagram of the embodiment of the present invention.

Fig. 2 is a second directional structural schematic diagram of the embodiment of the present invention.

Fig. 3 is a schematic sectional structure diagram according to an embodiment of the present invention.

Fig. 4 is a schematic view of a transmission chain structure.

In the drawings: 1. the handle, 2, crossbearer, 3, arm lock, 4, bull stick, 41, operating portion, 5, carriage, 6, pinch roller, 7, clamp splice, 71, indent, 8, stopper, 9, elasticity pull piece.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1-3, the utility model discloses a driving chain mounting tool, which comprises a handle 1, a cross frame 2, a rotating rod 4 and a sliding frame 5; the middle part of the transverse frame 2 is fixedly connected with one end of the handle 1 to form a T-shaped structure, and the left end and the right end of the transverse frame 2 are respectively and rotatably connected with a clamping arm 3; the front end of the clamping arm 3 is provided with a clamping block 7 for clamping a roller on the transmission chain; both ends are equipped with the spacing pinch roller 6 of 3 outside butt of arm lock about

balladeur train

5, and 5 middle parts of balladeur train rotate with bull stick 4 to be connected, and bull stick 4 runs through handle 1 backward to with 1 threaded connection of handle. Wherein, arm lock 3 is two sections bending structures of opening inwards, and the angle of buckling is 120 degrees.

When installing transmission chain, transmission chain encircles on two sprockets, the grip slipper 7 through 3 preceding tip of arm lock carries out the centre gripping to the roller at transmission chain both ends, 4 relative handles 1 of bull stick rotate, drive balladeur train 5 through bull stick 4 and slide forward, pinch roller 6 through balladeur train 5 left and right sides both ends carries out the pressfitting to arm lock 3, the realization is close to the centre gripping at transmission chain both ends, align up to the inside and outside link joint through-hole of tip, and the plug dress round pin axle, realize the convenient installation to transmission chain. This device simple structure, the simple operation can realize single convenient installation to drive chain, effectively improves drive chain's installation effectiveness, and the security is high, and the practicality is good.

As shown in fig. 1-2, the left and right ends of the carriage 5 are provided with notches for the clamping arms 3 to pass through; pinch roller 6 rotates and installs at the breach border, and 6 circumference sides of pinch roller and 3 outside butts of arm lock. The two clamping arms 3 are limited through the notches, so that the use stability is ensured; through pinch roller 6 and 3 outside butts of arm lock, can realize smooth and easy, the laborsaving pressfitting to arm lock 3 in pinch roller 6 rolls.

As shown in fig. 1-3, the front end of the rotating rod 4 slides through the sliding frame 5, and a limiting block 8 is disposed on the rotating rod and limits the front and rear sides of the sliding frame 5. Two stopper 8 are spacing to the front and back butt of balladeur train 5 to can be for 5 free rotations of balladeur train, when the relative handle 1 of bull stick 4 rotated, can guarantee bull stick 4 and adjust the front and back drive of balladeur train 5, thereby realize the action of opening and shutting two arm lock 3, simple structure, it is easy to realize, and the practicality is good.

Wherein, an elastic pulling piece 9 which pulls inwards is connected between the rear end of the clamping arm 3 and the handle 1. Elasticity draws piece 9 to be stretch cord or extension spring, draws piece 9 to realize through elasticity that 3 front ends of two arm lock have open elasticity all the time to cooperation pinch roller 6 carries on spacingly to the arm lock 3 outside, thereby realizes the stability of 3 closed actions of arm lock, avoids having the running clearance, prevents that arm lock 3 from rocking at will, guarantees the convenience of using.

As shown in fig. 1-2, the opposite inner sides of the two clamping blocks 7 are provided with concave cambered surface-shaped pressing grooves 71 which are matched with the rollers on the transmission chain. The pressing groove 71 is clamped and limited with the circumferential side surface of the roller, so that the clamping reliability of the roller is ensured, the rolling and slipping phenomenon is prevented, and the use safety is ensured.

As shown in fig. 1-2, the rear end of the rotating rod 4 is provided with an operating part 41. The operating part 41 can be in a hexagonal prism structure shape, and the rotating rod 4 can be conveniently rotated by a wrench; the operation portion 41 may be in the shape of a turning handle, and the turning lever 4 is conveniently turned by manually turning the handle. And the outer side of the handle 1 is wrapped with an anti-slip sleeve, so that the phenomenon of slipping when the rotating rod 4 slides relative to the handle 1 is avoided.

This drive chain mounting tool, simple structure, the simple operation, the security is high, and the practicality is good. When installing transmission chain, transmission chain encircles on two sprockets, and the clamp splice through tip before the arm lock carries out the centre gripping to the roller at transmission chain both ends, and the relative handle of bull stick rotates, slides forward through bull stick drive balladeur train, carries out the pressfitting to the arm of pressing from both sides through the pinch roller at balladeur train left and right ends, realizes being close to transmission chain both ends's centre gripping, aligns to the inside and outside link joint through-hole of tip, and the plug dress round pin axle realizes the convenient installation to transmission chain. The single convenient installation to the drive chain can be realized, and the installation efficiency of the drive chain is effectively improved.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative relationships in positions, if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A transmission chain mounting tool is characterized by comprising a handle (1), a cross frame (2), a rotating rod (4) and a sliding frame (5); the middle part of the transverse frame (2) is connected with one end of the handle (1), and the two ends of the transverse frame are respectively and rotatably connected with a clamping arm (3); one end of the clamping arm (3) far away from the transverse frame (2) is provided with a clamping block (7) for clamping a roller on the transmission chain; two ends of the sliding frame (5) are provided with press wheels (6) for limiting the outer sides of the clamping arms (3), the middle part of the sliding frame is rotationally connected with a rotating rod (4), and the rotating rod (4) penetrates through the handle (1) and is in threaded connection with the handle (1); the rotating rod (4) rotates relative to the handle (1) to drive the sliding frame (5) to slide back and forth, so that the opening and closing actions of the two clamping arms (3) are realized.

2. The tool for installing the transmission chain as claimed in claim 1, wherein the carriage (5) is provided at both ends thereof with notches through which the clamp arms (3) pass; the pinch roller (6) is rotatably arranged at the edge of the gap, and the circumferential side surface of the pinch roller is abutted against the outer side of the clamping arm (3).

3. The drive chain installation tool according to claim 1, wherein the rotating rod (4) is slidably inserted through the carriage (5) and is provided with a stopper (8) for limiting the front and rear sides of the carriage (5).

4. The drive chain installation tool according to claim 1, wherein an inwardly pulled resilient pull member (9) is connected between the end of the clamping arm (3) remote from the clamping block (7) and the handle (1).

5. A drive chain installation tool according to claim 1, wherein the opposed inner sides of the two clamping blocks (7) are provided with indentations (71) for engaging rollers on the drive chain.

6. Drive chain installation tool according to claim 1, characterized in that the end of the turning bar (4) remote from the carriage (5) is provided with an operating part (41).