CN217207585U

CN217207585U - Novel tensioning wheel structure

Info

Publication number: CN217207585U
Application number: CN202123053178.7U
Authority: CN
Inventors: 王健民; 余鹏飞; 陈亦忠
Original assignee: Shanghai Leifu Valve Technology Co ltd
Current assignee: Shanghai Leifu Valve Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-08-16
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a novel tension pulley structure belongs to drive mechanism technical field. It includes the take-up pulley body, and the take-up pulley body is close the action wheel and follows the driving wheel, and the action wheel is the upper and lower position relation with following the driving wheel, and the action wheel all is on a parallel with the horizontal plane with the axis from the driving wheel, and the action wheel overlaps jointly with following on the driving wheel lateral wall to be equipped with a belt, and the take-up pulley body includes base plate, support frame, V-arrangement frame, and the base plate is on a parallel with the horizontal plane. The utility model discloses a set up spacing subassembly and wind-force conveyor on the take-up pulley body, increased the life of take-up pulley, and reduced the action wheel, followed the emergence of the belt condition of skidding on the driving wheel.

Description

Novel tensioning wheel structure

Technical Field

The utility model relates to a novel take-up pulley structure belongs to drive mechanism technical field.

Background

The utility model discloses a take-up pulley structure mainly uses on the conical valve of reservoir, is provided with the motor on the conical valve, and the motor on the traditional conical valve is after using a period, because inside deposition or belt are elongated and lead to drive mechanism to damage to influence the normal opening or closing of the conical valve of reservoir.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the utility model provides a novel take-up pulley structure, it has solved the take-up pulley belt on the traditional cone valve and has skidded or the belt is stretched overlength's problem.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

a novel tension pulley structure comprises a tension pulley body, wherein the tension pulley body is close to a driving wheel and a driven wheel, the driving wheel and the driven wheel are in a vertical position relation, the axes of the driving wheel and the driven wheel are parallel to a horizontal plane, a belt is sleeved on the outer side walls of the driving wheel and the driven wheel together, the tension pulley body comprises a base plate, a supporting frame and a V-shaped frame, the base plate is parallel to the horizontal plane, the supporting frame is fixed on the top end surface of the base plate, one of the driven wheel and the driving wheel which is positioned below is sleeved on a shaft rod, the top end of the supporting frame is fixedly sleeved on the shaft rod, a through hole is formed in the middle of the V-shaped frame, the V-shaped frame is sleeved on the shaft rod through the through hole, the driving wheel or the driven wheel which is sleeved on the shaft rod and the supporting frame are respectively positioned on two sides of the V-shaped frame, and the V-shaped frame comprises a first connecting arm and a second connecting arm, the end parts of the first connecting arm and the second connecting arm are connected, the through hole is located at the junction of the end parts of the first connecting arm and the second connecting arm, the end part of the first connecting arm is fixedly connected with a tensioning wheel, the outer side wall of the tensioning wheel is abutted against the outer side wall of the belt, the first connecting arm and the second connecting arm are respectively located on two sides of the belt, the end part of the second connecting arm is fixedly connected with a balancing weight, the base plate is fixedly connected with a limiting component used for limiting the second connecting arm to move, and a wind power conveying device used for cleaning dust on the belt is installed on the tensioning wheel body.

As a preferred example, the limiting component comprises a U-shaped bracket and a pull ring, the U-shaped bracket and the pull ring are fixedly connected to the substrate, the U-shaped bracket and the pull ring are located below the second connecting arm, the bottom of the U-shaped bracket is a vertical rod, the bottom of the vertical rod is fixedly connected to the substrate, the U-shaped block is fixedly connected to the top end of the vertical rod, the middle of the U-shaped block is fixedly connected to the top end of the vertical rod, the two ends of the U-shaped block are bent upwards, the U-shaped block is located under the second connecting arm, the pull ring is a rope, the bottom end of the rope is fixedly connected to the top end face of the substrate, the top of the rope is knotted to form a set of ring structures, and the set of ring structures is sleeved on the outer side wall of the second connecting arm.

As a preferable example, two ends of the U-shaped block are bent upwards, so that the side wall of the top end surface of the U-shaped block is bent to form the side wall of the inner cavity of the U-shaped block, and a rubber pad is laid on the upper surface of the side wall of the inner cavity of the U-shaped block.

As a preferable example, a notch is formed in the rubber pad, a pressure-sensitive sensor is embedded on the side wall of the inner cavity of the U-shaped block in a clamping manner, and the top end part of the pressure-sensitive sensor is located in the notch.

As preferred example, wind-force conveyor includes first air cock and second air cock, install the air pump on the base plate, the support frame with the base plate support is provided with a plurality of gas circuit pipeline, the air pump links to each other with the gas circuit pipeline, and the top access & exit of gas circuit pipeline is located the lateral wall top surface of support frame, the top access & exit of gas circuit pipeline can be by the shutoff, the top access & exit fixed mounting of gas circuit pipeline has a trachea, first air cock is installed to tracheal tip, the gas outlet of first air cock is directional on the inboard lateral wall of belt, fixedly connected with second air cock on the face of base plate top, the second air cock is located under the axostylus axostyle.

As a preferred example, a plurality of threaded holes are formed in the end portion of the second connecting arm along the length direction of the second connecting arm, the balancing weight is of a sleeve structure, the balancing weight is slidably sleeved at the end portion of the second connecting arm, a through hole is formed in the side wall of the balancing weight, a screw is arranged on the balancing weight, and the end portion of the rod body portion of the screw passes through the through hole and then is in threaded connection with the threaded holes.

The utility model has the advantages that: the utility model discloses a set up spacing subassembly in original take-up pulley is structural, the removal range of restriction second linking arm utilizes wind-force conveyor to ensure that deposition quantity on the belt is less relatively, the utility model discloses the take-up pulley structure mentioned has reduced that the belt skids or take-up pulley to the belt extrusion lead to the belt to cross to send or the tight condition takes place.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the pneumatic control device comprises a driving wheel 1, a driven wheel 2, a tensioning wheel 3, a first connecting arm 4, an air channel pipeline 5, a supporting frame 6, a base plate 7, a second air nozzle 8, a U-shaped bracket 9, a pull ring 10, a balancing weight 11, a first air nozzle 12, a second connecting arm 13, a shaft lever 14 and an air pipe 15.

Detailed Description

In order to understand the technical means, creation features, achievement purposes and functions of the present invention easily, the present invention will be further explained by combining with the specific drawings.

As shown in figure 1, a novel tensioning wheel 3 structure comprises a tensioning wheel body, the tensioning wheel body is close to a driving wheel 1 and a driven wheel 2, the driving wheel 1 and the driven wheel 2 are in a vertical position relation, the axes of the driving wheel 1 and the driven wheel 2 are both parallel to a horizontal plane, a belt is sleeved on the outer side walls of the driving wheel 1 and the driven wheel 2, the tensioning wheel body comprises a base plate 7, a supporting frame 6 and a V-shaped frame, the base plate 7 is parallel to the horizontal plane, the supporting frame 6 is fixed on the top end surface of the base plate 7, one of the driven wheel 2 and the driving wheel 1 which is positioned at the lower part is sleeved on a shaft lever 14, the top end of the supporting frame 6 is fixedly sleeved on the shaft lever 14, a through hole is formed in the middle of the V-shaped frame, the V-shaped frame is sleeved on the shaft lever 14 through the through hole, the driving wheel 1 or the driven wheel 2 and the supporting frame 6 which are respectively positioned at two sides of the V-shaped frame, the V-shaped frame comprises a first connecting arm 4 and a second connecting arm 13, the tip of first linking arm 4 and second linking arm 13 both is connected, the perforation is located the juncture of first linking arm 4 and 13 tip of second linking arm, the tip fixedly connected with take-up pulley 3 of first linking arm 4, the lateral wall of take-up pulley 3 supports and presses on the lateral wall of belt, first linking arm 4 and second linking arm 13 are located the both sides of belt respectively, the tip fixed connection balancing weight 11 of second linking arm 13, fixedly connected with is used for restricting the spacing subassembly that second linking arm 13 removed on the base plate 7, install the wind-force conveyor who is used for clearing up the dust on the belt on the take-up pulley body.

It should be noted that: in the attached figures, a driving wheel 1 and a tensioning wheel body are both positioned below a driven wheel 2, the driving wheel 1 is driven to rotate by a motor, the driving wheel 1 is sleeved on a shaft lever 14, the shaft lever 14 is fixedly sleeved at the output end of the motor, a belt sleeve is arranged on the outer sides of the driving wheel 1 and the driven wheel 2, the inner cavity side wall of the belt is in contact with the driving wheel 1 and the outer side wall of the driven wheel 2, the belt continuously rubs with the driving wheel 1 and the driven wheel 2, after a period of operation, the belt is gradually stretched, the surface of the inner cavity side wall of the belt (the inner cavity side wall of the belt is equal to the inner side wall of the belt) is possibly abraded, so that a transmission mechanism is damaged and cannot normally transmit, the conventional part of the tensioning wheel 3 is subjected to tightness adjustment according to the stretching condition of the belt, but is not controlled, and is easy to cause larger pressure to the belt, the service life of the belt is greatly shortened, the belt in the belt can extrude and tighten the belt by the tensioning wheel 3 at the other side of the V-shaped frame through the balancing weight 11 at one side of the V-shaped frame, the included angle between the first connecting arm 4 and the second connecting arm 13 of the V-shaped frame is 120-160 degrees, the free ends at two sides of the V-shaped frame are higher than the through hole, the top of the U-shaped bracket 9 is provided with a U-shaped block, the shape of the side wall of the inner cavity of the U-shaped block is matched with the outer side wall of the second connecting arm 13, the U-shaped block plays a supporting role for the second connecting arm 13, the side wall of the inner cavity of the U-shaped block is provided with a rubber pad which buffers the contact between the second connecting arm 13 and the U-shaped block, a notch is arranged on the rubber pad and is positioned in the middle of the rubber pad, the notch penetrates through the rubber pad from top to bottom, a pressure-sensitive sensor is embedded on the side wall of the inner cavity of the U-shaped block, the height of the U-shaped bracket 9 is required to meet the requirements of the contact between the second connecting arm 13 and the U-shaped block so as to judge the current position of the V-shaped frame and the contact condition of the tension wheel 3 on the V-shaped frame and the belt: when the tensioning wheel 3 is initially contacted with the belt and is in a tight state, the second connecting arm 13 is not contacted with the U-shaped block, when the second connecting arm 13 is contacted with the inner cavity side wall of the U-shaped block, the default belt is in an extended state at the moment, the height of the U-shaped block can be understood as a value which can be borne by the pressure-sensitive sensor in order to prevent the further extension of the belt, when the V-shaped frame rotates relative to the shaft lever 14 to the U-shaped block, the measured value exceeds the originally set value on the pressure-sensitive sensor, the V-shaped frame is considered to rotate to cause larger pressure to the belt at the moment, the self-stretching length of the belt is close to the length which the belt must be replaced, and the U-shaped block and the sensor at the moment belong to the function of preventing the belt from further stretching, being used for timely replacing the belt and giving an alarm.

U-shaped bracket 9 is used for preventing that second linking arm 13 is too close base plate 7, the belt is stretched excessively, pull ring 10 here, then be used for preventing that second linking arm 13 from rotating to the direction of keeping away from base plate 7, can set up force sensor on the rope, when numerical value on the rope is great relatively, then explain take-up pulley 3 on the V-shaped frame does not lead to the fact great pressure to the belt, the condition that deviation and balancing weight 11 drop appear in balancing weight 11 position, then the numerical value that records through force sensor this moment can be to V-shaped frame position, balancing weight 11 adjusts, thereby ensure drive mechanism's normal operating.

Spacing subassembly includes U-shaped bracket 9 and pull ring 10, fixedly connected with U-shaped bracket 9 and pull ring 10 on the base plate 7, U-shaped bracket 9 and pull ring 10 are located the below of second linking arm 13, the bottom of U-shaped bracket 9 is the vertical body of rod, the bottom and the base plate 7 fixed connection of the vertical body of rod, the fixedly connected with U-shaped piece of top department of the vertical body of rod, the middle part of U-shaped piece and the top fixed connection of the vertical body of rod, the both ends of U-shaped piece all kickup, the U-shaped piece is located second linking arm 13 under, pull ring 10 is a rope, the bottom of rope and the top face fixed connection of base plate 7, the top of rope is knoed and is formed one set of ring structure, the set of ring structure cover is established on second linking arm 13 lateral walls.

The two ends of the U-shaped block are bent upwards, so that the side wall of the top end surface of the U-shaped block is bent into the side wall of the inner cavity of the U-shaped block, and a rubber pad is laid on the upper surface of the side wall of the inner cavity of the U-shaped block.

A notch is formed in the rubber pad, the pressure-sensitive sensor is clamped and embedded in the side wall of the inner cavity of the U-shaped block, and the top end portion of the pressure-sensitive sensor is located in the notch.

The wind power conveying device comprises a first air nozzle 12 and a second air nozzle 8, an air pump is installed on a base plate 7, a plurality of air path pipelines 5 are arranged on a support of a support frame 6 and a base plate 7, the air pump is connected with the air path pipelines 5, a top inlet and a top outlet of each air path pipeline 5 are positioned on the top surface of the side wall of the support frame 6 (the top inlet and the top outlet of each air path pipeline 5 are positioned in the top area of the side wall of the support frame 6, each inlet and the top outlet is annularly arranged outside a shaft rod 14), the top inlet and the top outlet of each air path pipeline 5 can be blocked, an air pipe 15 is fixedly installed at the top inlet and the top outlet of each air path pipeline 5, a first air nozzle 12 is installed at the end part of each air pipe 15, an air outlet of each first air nozzle 12 points to the inner side wall of a belt, a second air nozzle 8 is fixedly connected to the top surface of the base plate 7, the second air nozzle 8 is positioned under the shaft rod 14, and the first air nozzle 12 and the second air nozzle 8 intermittently sweep the inner side wall and the outer side wall of the belt respectively, dust attached to the belt is removed.

The tip of second linking arm 13 has seted up a plurality of screw hole on the length direction of second linking arm 13, balancing weight 11 is the sleeve structure, balancing weight 11 slip cap is established at the tip of second linking arm 13, a through-hole has been seted up on balancing weight 11's the lateral wall, be provided with a screw on balancing weight 11, the tip of the body of rod part of screw is through screw hole back and screw hole threaded connection, screw hole threaded connection through screw and different positions department, adjust balancing weight 11's position, thereby the focus position of one side of adjustment V-arrangement frame, indirect adjustment take-up pulley 3 is to the extrusion power of belt.

The working principle is as follows: when using, through structural spacing subassembly that sets up at original take-up pulley 3, the moving range of restriction second linking arm 13 utilizes wind-force conveyor to ensure that deposition quantity on the belt is less relatively, the utility model provides a take-up pulley 3 structure has reduced that the belt skids or take-up pulley 3 leads to the belt to send or the condition of tension to take place excessively.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel tensioning wheel structure, includes the tensioning wheel body, the tensioning wheel body is close action wheel (1) and follows driving wheel (2), action wheel (1) and follow driving wheel (2) are upper and lower position relation, and action wheel (1) and the axis from driving wheel (2) all are on a parallel with the horizontal plane, and action wheel (1) and follow the common cover on driving wheel (2) lateral wall are equipped with a belt, its characterized in that: the tensioning wheel body comprises a base plate (7), a supporting frame (6) and a V-shaped frame, wherein the base plate (7) is parallel to a horizontal plane, the supporting frame (6) is fixed on the top end surface of the base plate (7), one of a driven wheel (2) and a driving wheel (1) which is positioned below the driven wheel is sleeved with a shaft lever (14), the top end of the supporting frame (6) is fixedly sleeved on the shaft lever (14), the middle part of the V-shaped frame is provided with a through hole, the V-shaped frame is sleeved on the shaft lever (14) through the through hole, the driving wheel (1) or the driven wheel (2) sleeved on the shaft lever (14) and the supporting frame (6) are respectively positioned at two sides of the V-shaped frame, the V-shaped frame comprises a first connecting arm (4) and a second connecting arm (13), and the end parts of the first connecting arm (4) and the second connecting arm (13) are connected, the perforation is located the juncture of first linking arm (4) and second linking arm (13) tip, the tip fixedly connected with take-up pulley (3) of first linking arm (4), the lateral wall of take-up pulley (3) supports and presses on the lateral wall of belt, first linking arm (4) with second linking arm (13) are located respectively the both sides of belt, the tip fixed connection balancing weight (11) of second linking arm (13), fixedly connected with is used for the restriction on base plate (7) the spacing subassembly that second linking arm (13) removed, install on the take-up pulley body and be used for clearing up the wind-force conveyor of the dust on the belt.

2. The novel tensioner as claimed in claim 1, wherein: the limiting component comprises a U-shaped bracket (9) and a pull ring (10), the U-shaped bracket (9) and the pull ring (10) are fixedly connected to the base plate (7), the U-shaped bracket (9) and the pull ring (10) are located below the second connecting arm (13), the bottom of the U-shaped bracket (9) is a vertical rod body, the bottom end of the vertical rod body is fixedly connected with the base plate (7), the top end of the vertical rod body is fixedly connected with a U-shaped block, the middle part of the U-shaped block is fixedly connected with the top end of the vertical rod body, the two ends of the U-shaped block are bent upwards, the U-shaped block is located under the second connecting arm (13), the pull ring (10) is a rope, the bottom end of the rope is fixedly connected with the top end face of the base plate (7), the top of the rope is knotted to form a sleeving ring structure, and the sleeving ring structure is sleeved on the outer side wall of the second connecting arm (13).

3. The new tensioner as in claim 2, wherein: the two ends of the U-shaped block are bent upwards, so that the side wall of the top end face of the U-shaped block is bent into the side wall of the inner cavity of the U-shaped block, and a rubber pad is laid on the upper surface of the side wall of the inner cavity of the U-shaped block.

4. A novel tensioner as claimed in claim 3, wherein: a notch is formed in the rubber pad, a pressure-sensitive sensor is clamped and embedded in the side wall of the inner cavity of the U-shaped block, and the top end portion of the pressure-sensitive sensor is located in the notch.

5. The novel tensioner as claimed in claim 1, wherein: the wind power conveying device comprises a first air nozzle (12) and a second air nozzle (8), the base plate (7) is provided with an air pump, the support frame (6) and the base plate (7) bracket are provided with a plurality of air channel pipelines (5), the air pump is connected with the air path pipeline (5), the inlet and outlet at the top end of the air path pipeline (5) are positioned on the top surface of the side wall of the support frame (6), the inlet and outlet at the top end of the gas path pipeline (5) can be blocked, a gas pipe (15) is fixedly arranged at the inlet and outlet at the top end of the gas path pipeline (5), a first air nozzle (12) is arranged at the end part of the air pipe (15), the air outlet of the first air nozzle (12) points to the side wall of the inner side of the belt, and a second air nozzle (8) is fixedly connected to the top end face of the base plate (7), and the second air nozzle (8) is positioned under the shaft lever (14).

6. The novel tensioner as claimed in claim 1, wherein: the utility model discloses a balancing weight, including first linking arm (13), balancing weight (11), second linking arm (13), the tip of second linking arm (13) has seted up a plurality of screw hole on the length direction of second linking arm (13) along, balancing weight (11) are sleeve structure, balancing weight (11) slip cover is established the tip of second linking arm (13), a through-hole has been seted up on the lateral wall of balancing weight (11), be provided with a screw on balancing weight (11), the tip process of the body of rod part of screw with behind the through-hole screw hole threaded connection.