CN210719498U

CN210719498U - Tool for measuring tension of fan belt

Info

Publication number: CN210719498U
Application number: CN201921486514.7U
Authority: CN
Inventors: 宿彦通; 迟百川; 沈卫凯; 屈大鹏; 刘昱彤; 黄国强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-09
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a measure tensile instrument of fan belt, including the pole setting, one side sliding connection of slide rail and the support of "L" shape is passed through to one side of pole setting, and the top of pole setting rotates and is connected with the support arm, and sliding connection has the support on the support arm, the top fixedly connected with push-and-pull dynamometer of support, the bottom correspondence of pole setting is provided with the screw rod, and on the solid fixed cylinder was worn to locate by the screw rod, the solid fixed cylinder was threaded connection with the screw rod, and the solid fixed cylinder sets up on the support, set up the through-hole of bar on the support arm, be provided with the lead screw in this through-hole, the both ends of lead screw respectively with the both ends lateral wall junction of through-hole is equipped with the bearing, the cover is equipped with. This measure tensile instrument of fan belt adopts the structural design that push-pull dynamometer and support arm, pole setting and support mutually support to make the device can form standardized measurement to the tension of belt, and is more convenient and accurate.

Description

Tool for measuring tension of fan belt

Technical Field

The utility model relates to a fan belt tension measures technical field, specifically is a measure tensile instrument of fan belt.

Background

The air cooler system sweeps the cooling to the natural gas of dispersion in cellular pipe network through centrifugal fan to play refrigerated effect, and centrifugal fan adopts the belt to drive the transmission mode of fan and carries out work, nevertheless because the easy oxidation of belt loses original elasticity, if the tension of installation is not enough or too big, more can aggravate the loss of belt, influences the life of belt, influences the output of motor, thereby influences the performance of fan, causes the fan trouble.

The existing installation standard, in the maintenance process, the inspection method is as follows: the belt is applied with a finger or ruler with a pressure of 30 to 50 newtons in the middle and is preferably flexed down 10 to 20 mm. The adjustment of the belt tension is mainly performed by an experienced worker by hand feeling. The belt tension measuring tool has high requirements on experience requirements of workers, the overhaul mode with human factors as the leading factor also means that standards are inconsistent, the belt installation quality is uncontrollable, the height of a fan belt exceeds 2 meters, the application is inconvenient, the down-warping distance cannot be accurately measured, the operability is poor, the reference value is not high, and the existing belt tension measuring tool in the market is only used for intercepting part of samples when a belt manufacturer leaves a factory and measuring the tension or the tensile force which can be borne by the produced belt, but the installation tightness of the installed belt cannot be measured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measure tensile instrument of fan belt to solve the big and unsafe problem of the manual measurement belt tension degree of difficulty that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a measure tensile instrument of fan belt, includes the pole setting, one side of pole setting is passed through one side sliding connection of slide rail and the support of "L" shape, and the top of pole setting rotates and is connected with the support arm, and sliding connection has the support on the support arm, the top fixedly connected with push-pull dynamometer of support, the bottom correspondence of pole setting is provided with the screw rod, and on the solid fixed cylinder was worn to locate by the screw rod, the solid fixed cylinder was threaded connection with the screw rod, and the solid fixed cylinder sets up on the support.

Preferably, a strip-shaped through hole is formed in the support arm, a screw rod is arranged in the through hole, bearings are arranged at the joints of the two ends of the screw rod and the side walls of the two ends of the through hole respectively, a sleeve is sleeved on the screw rod, and the top of the sleeve is connected with the support.

Preferably, one end of the screw rod is provided with a worm wheel, the bottom of the worm wheel is meshed with a worm, two ends of the worm are respectively connected with a fixing plate in a rotating manner, and the fixing plate is arranged at the bottom of the support arm.

Preferably, one end of the push-pull dynamometer is provided with a thrust head, and the end part of the thrust head is concave.

Preferably, the push-pull dynamometer is connected with the support through a screw.

Compared with the prior art, the beneficial effects of the utility model are that: this measure tensile instrument of fan belt adopts the structural design that push-pull dynamometer and support arm, pole setting and support mutually support to make the device can form standardized measurement to the tension of belt, and is more convenient and accurate.

Drawings

FIG. 1 is a front view of a tool for measuring the tension of a fan belt according to the present invention;

FIG. 2 is a top view of a tool arm for measuring fan belt tension according to the present invention;

fig. 3 is a cross-sectional view of the tool sleeve, the screw rod, the support and the support arm for measuring the tension of the fan belt according to the present invention;

FIG. 4 is a schematic view of the connection structure of worm wheel and worm of the tool for measuring the tension of the fan belt according to the present invention;

fig. 5 is the utility model relates to a measure tensile instrument working principle schematic diagram of fan belt.

In the figure: 1. the device comprises a support, 2, a support arm, 3, a fixing plate, 4, a worm, 5, a vertical rod, 6, a sliding rail, 7, a screw, 8, a fixing cylinder, 9, a thrust head, 10, a push-pull dynamometer, 11, a support, 12, a sleeve, 13, a screw rod, 14 and a worm wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a tool for measuring the tension of a fan belt comprises an upright rod 5, wherein one side of the upright rod 5 is connected with one side of an L-shaped support 11 in a sliding way through a sliding rail 6, the sliding rail 6 is connected with the upright rod 5 and the support 11 through screws, the sliding connection mode enables the height of the upright rod 5 to be adjusted, the height of a push-pull force meter 10 can be adjusted, different measuring environments can be conveniently handled, measuring is more convenient, the L-shaped support 11 can be erected on a steel frame and is convenient to keep stable during measuring, the top of the upright rod 5 is rotatably connected with one end of a support arm 2, the push-pull force meter 10 can be rotated by the structure, the verticality of the push-pull force meter 10 and the belt can be conveniently adjusted, measuring accuracy is improved, a support seat 1 is slidably connected onto the support arm 2, the support seat 1 is inverted U-shaped, and protrusions on the inner walls on two sides of the support seat 1 are matched, make both can relative slip, can not break away from easily again, the top fixedly connected with push-and-pull effort meter 10 of support 1, be convenient for the dismouting through this connected mode of screwed connection between push-and-pull effort meter 10 and the support 1, the one end of push-and-pull effort meter 10 is provided with thrust collar 9, the tip of thrust collar 9 is "concave" shape, the shape of belt is more agreed with to the structure of this "concave", the belt appears sliding and breaks away from when preventing thrust collar 9 from withstanding the belt, it is more stable, the bottom of pole setting 5 corresponds and is provided with screw rod 7, the screw rod7 penetrate through a fixed cylinder 8, the fixed cylinder 8 is in threaded connection with a screw 7, the fixed cylinder 8 is arranged on one side of a support 11, the positions of the upright rod 5 and the screw 7 are longitudinally corresponding, so that the upright rod 5 can be propped by the screw 7 when sliding up and down to a certain position, and therefore the upright rod is kept stable, the screw 7 can move up and down by the fixed cylinder 8 for supporting, bearings are arranged at the joints of the side walls of two ends of a position-changing hole convenient to follow the upright rod 5, a sleeve 12 is sleeved on a screw rod 13, the sleeve 12 is matched with the structure of the screw rod 13, the top of the sleeve 12 is connected with a support 1, the support 1 and the sleeve 12 are fixedly connected through screws or welding, a screw rod structure can be formed between the screw rod 13 and the sleeve 12, the rotation of the screw rod 13 can drive the sleeve 12 to horizontally displace, a worm wheel 14 is arranged at one end of the screw rod 13, the bottom of the worm wheel 14 is meshed with the worm 4, two ends of the worm 4 are respectively connected with the fixing plate 3 in a rotating mode, the fixing plate 3 is arranged at the bottom of the support arm 2, the fixing plate 3 is fixed through welding, the worm 4 can drive the worm wheel 14 to rotate, the worm wheel 14 can drive the screw rod 13 to rotate, the structure can change the stress direction of the screw rod 13, an operator can control the screw rod 13 to rotate in the vertical direction of the screw rod 13, and therefore the effect of controlling the horizontal displacement of the push-pull force meter 10 is achieved, and the push-pull force meter; as shown in fig. 5 of the accompanying drawings of the specification, a pressure G is applied downwards at the central point of the vertical belt, the central point is moved downwards by a deflection f, and then, under a prescribed G force, the belt is moved downwards by an exact f distance, which is a reasonable installation state meeting the specification, i.e. the economic situation with the longest belt life and the highest efficiency, wherein: f is deflection, namely the linear distance of the belt moving under certain pressure, and the formula of the deflection f is as follows:

wherein: t is the belt length between the tangent angles, i.e. the direct distance between two points of the belt tangent to the driving wheel and the driven wheel of the motor.

The working principle is as follows: when the tool for measuring the tension of the fan belt is used, whether parts of the device are damaged or not or the device is not firmly connected is firstly checked, the device is used after the parts are checked to be correct, then an operator hangs the support 11 on a steel structure, the upright rod 5 is vertically slid to enable the push-pull force gauge 10 to reach a proper height, the support arm 2 is supported by the connecting end of the upright rod 5 to rotate, the push-pull force gauge 10 is enabled to rotate to be vertical to the belt, the thrust head 9 at the left end of the push-pull force gauge 10 is enabled to be propped against the central point of the belt, the push-pull force gauge 10 is in sliding connection with the support arm 2 through the support seat 1 fixedly connected with the bottom, the user can push the push-pull force gauge 10 to vertically apply a pressure G to the central point of the belt to enable the central point to move a deflection f, the belt moves downwards by an accurate f distance under the specified G force, namely, the economic condition with the highest efficiency can be conveniently checked by a user through checking the scale marks on the support arm 2 and checking the moving distance of the push-pull force gauge 10, when the deflection f is smaller under the specified G force, the belt is too tight, and when the deflection f is larger under the specified G force, the belt is too loose, which is the working principle of the tool for measuring the tension of the fan belt.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a measure tensile instrument of fan belt which characterized in that: including pole setting (5), one side of pole setting (5) is passed through slide rail (6) and one side sliding connection of support (11) of "L" shape, and the top of pole setting (5) rotates and is connected with support arm (2), sliding connection has support (1) on support arm (2), and the top fixedly connected with push-and-pull dynamometer (10) of support (1), the bottom correspondence of pole setting (5) is provided with screw rod (7), and on solid fixed cylinder (8) were worn to locate in screw rod (7), gu fixed cylinder (8) were threaded connection with screw rod (7), and gu fixed cylinder (8) set up on support (11).

2. A tool for measuring fan belt tension as set forth in claim 1, wherein: the supporting arm (2) is provided with a strip-shaped through hole, a screw rod (13) is arranged in the through hole, the two ends of the screw rod (13) are respectively connected with the side wall joints at the two ends of the through hole through bearings, a sleeve (12) is sleeved on the screw rod (13), and the top of the sleeve (12) is connected with the support (1).

3. A tool for measuring fan belt tension as set forth in claim 2, wherein: one end of the screw rod (13) is provided with a worm wheel (14), the bottom of the worm wheel (14) is meshed with the worm (4), two ends of the worm (4) are respectively rotatably connected with the fixing plate (3), and the fixing plate (3) is arranged at the bottom of the support arm (2).

4. A tool for measuring fan belt tension as set forth in claim 1, wherein: one end of the push-pull dynamometer (10) is provided with a thrust head (9), and the end part of the thrust head (9) is concave.

5. A tool for measuring fan belt tension as set forth in claim 1, wherein: the push-pull dynamometer (10) is connected with the support (1) through a screw.