Air compressor head belt tooling, installation method and air compressor

Abstract

The present invention relates to the field of air compressors, and in particular to an air compressor head belt tooling, an installation method and an air compressor. The tooling includes a head fixing seat, a pulley clamping rod, a belt guide rod and a screwdriver; the belt guide rod is provided with a guide groove and a fixing hole, the guide groove is an open arc groove and its arc diameter is the same as the crankshaft diameter, the inner side surface of the guide groove is used to press the belt to fit the outer surface of the crankshaft, and the upper and lower side surfaces of the guide groove are used to respectively fit the upper and lower end surfaces of the belt and the upper and lower surfaces of the crankshaft and the belt meshing position; the screwdriver is provided with a tool bar, the tool bar is used to sequentially pass through the fixing hole and the corresponding hole position of the crankshaft located on the inner side of the belt, and is embedded in the fixing hole by an inclined surface. The tooling is provided with a pulley clamping rod to make the pulley end face flush with the belt end face, and a belt guide rod is provided to limit the belt when the crankshaft is rotated, thereby improving the belt installation quality and installation efficiency.

Description

Technical Field

[0001] The invention relates to the field of air compressors, and in particular to an air compressor head belt tooling, an installation method and an air compressor. Background Art

[0002] An air compressor is a device used to compress gas. The structure of an air compressor is similar to that of a water pump. Most air compressors are reciprocating piston type, with rotating blades or rotating screws. The air compressor is the main body of the air source device. It converts the mechanical energy of the prime mover (usually an electric motor) into gas pressure energy and is a gas pressure generating device for compressed air.

[0003] A Chinese utility model patent application (publication number CN213270902U, publication date: 20210525) discloses a belt installation tool, wherein the belt installation tool is used for an automobile air-conditioning system, the automobile air-conditioning system includes a pulley and a belt installed on the pulley, the pulley is symmetrically provided with two first mounting parts where the belt is installed, the belt installation tool includes a tool body and a second mounting part extending from the side of the tool body, the second mounting part is provided with a first groove, the belt installation tool is clamped on the first mounting part through the first groove, the tool body is provided with a limiting part, the side of the limiting part is in contact with the side of the first mounting part, and when the belt installation tool and the pulley move relative to each other, the radius of the trajectory formed by the limiting part is greater than the radius of the pulley. The present invention has a simple structure, and through the setting of the belt installation tool, the employees can be more efficient when installing the belt.

[0004] The prior art has the following deficiencies: when installing the belt between the pulley and the crankshaft, the belt is first manually pre-put on the pulley and part of the belt is put into the outer surface of the crankshaft, and then the crankshaft is rotated to embed the belt into the crankshaft groove to complete the belt installation process; however, in this method, when the belt is manually put into the pulley, it cannot be ensured that the end face of the belt is flush with the end face of the pulley, and the belt is not limited when the crankshaft is rotated. The belt is easily skewed during rotation, which leads to belt misalignment, thereby reducing the installation quality and efficiency of the belt. Summary of the invention

[0005] The purpose of the present invention is: to address the above problems, to propose an air compressor head belt tooling that sets a pulley clamping rod to make the pulley end face flush with the belt end face, and sets a belt guide rod to limit the belt when the crankshaft is rotated, thereby improving the belt installation quality and installation efficiency.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0007] A tooling for the head belt of an air compressor, the tooling comprises a head fixing seat, a pulley clamping rod, a belt guide rod and a screwdriver; the upper surface of the head fixing seat is used to fit the corresponding lower surface of the head of the air compressor; the pulley clamping rod is provided with a clamping groove and a downward pressing plane, the clamping groove is an open groove, and the clamping groove is used to fit the side of the pulley that is not engaged with the belt; the downward pressing plane is used to fit the upper end surface of the belt; the belt guide rod is provided with a guide groove and a fixing hole, the guide groove is an open arc groove and its arc diameter is the same as the crankshaft diameter, the inner side surface of the guide groove is used to press the belt until it fits the outer surface of the crankshaft, and the upper and lower side surfaces of the guide groove are used to respectively fit the upper and lower end surfaces of the belt and the upper and lower surfaces of the crankshaft and belt meshing position; the screwdriver is provided with a tool bar, the tool bar is used to pass through the fixing hole and the corresponding hole position of the crankshaft located on the inner side of the belt in sequence, and be engaged in the fixing hole by an inclined surface.

[0008] Preferably, a connecting rod and a pressing handle seat are arranged at the upper end of the pulley pressing rod, the pressing handle seat is in the shape of an inverted boss, and the connecting rod is located at the lower end of the pressing handle seat. The connecting rod is cylindrical.

[0009] Preferably, the belt guide rod is further provided with a guide handle, which is located outside the guide groove and has a length direction in the radial direction of the guide groove. The guide handle is in a rectangular parallelepiped shape, and the outermost end of the guide handle is an arc chamfered structure.

[0010] Preferably, the plurality of fixing holes are respectively located on the upper and lower sides of the guide groove and are relatively distributed. The fixing holes are located on one side of the guide handle bar in the circumferential direction of the guide groove.

[0011] In addition, the present invention also discloses a method for installing an air compressor head belt, which adopts the air compressor head belt tooling, and comprises the following steps:

[0012] (S1) Nest the compressor head onto the head fixing seat to keep the belt surface level;

[0013] (S2) Insert the clamping groove in the pulley clamping rod into the side of the pulley that is not engaged with the belt;

[0014] (S3) Pre-install the belt so that the lower pressure plane of the pulley pressure rod is flush with the upper end surface of the belt, straighten the belt to the right, and make the belt stick to the outer edge of the crankshaft; then clamp the guide groove of the belt guide rod onto the belt so that the belt is between the crankshaft and the guide groove; then use a screwdriver to pass through the fixing hole and the corresponding hole of the crankshaft on the inner side of the belt in turn to prevent the belt from loosening;

[0015] (S4) Press the pulley clamping rod and rotate the belt guide rod counterclockwise to the right, so that the crankshaft rotates through the rotation force of the pulley clamping rod and drives the belt to be respectively put on the crankshaft and the pulley.

[0016] In addition, the present invention also discloses an air compressor head, including a pulley, a belt and a crankshaft. The outer surfaces of the pulley and the crankshaft are provided with belt grooves, and the belts are respectively embedded in the belt grooves of the pulley and the crankshaft to connect the two; when installing the belt to the pulley and the crankshaft, the air compressor head belt tooling is used.

[0017] In addition, the present invention also discloses an air compressor, including an air storage tank, a wheel bracket, multiple wheels, a foot pad bracket, a foot pad and an air compressor head; the air compressor head adopts the air compressor head; the wheel bracket and the foot pad bracket are both fixed to the bottom of the air storage tank, the multiple wheels are rotatably connected to the wheel bracket, and the foot pad is fixed on the foot pad bracket; the air compressor head is fixed to the top of the air storage tank.

[0018] The advantages of the air compressor head belt tooling using the above technical solution of the present invention are:

[0019] The clamping groove of the pulley clamping rod is in contact with the side of the pulley that is not engaged with the belt, and the lower pressing plane is in contact with the upper end face of the belt so that the pulley end face is flush with the belt end face; at the same time, the inner side face of the guide groove presses the belt until it is in contact with the outer surface of the crankshaft, and the upper and lower side faces of the guide groove respectively fit the upper and lower end faces of the belt and the upper and lower surfaces of the crankshaft and the belt meshing position, so that the belt is limited when the crankshaft is rotated to avoid misalignment caused by the skew of the belt, so that the belt can rotate along the guide of the rotating force and be engaged on the pulley and the crankshaft; thereby improving the installation accuracy of the belt and also improving the installation efficiency of the belt. At the same time, when the crankshaft is rotated, the tool bar of the screwdriver is sequentially inserted into the fixing hole and the corresponding hole position of the crankshaft located on the inner side of the belt to connect the belt guide rod and the crankshaft as a whole, so that the crankshaft rotates synchronously when the belt guide rod rotates, so as to prevent uneven force from causing difficulties in belt installation; and in this way, using tools to install the belt is more convenient and labor-saving than manual installation, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the air compressor disclosed in the present invention.

[0021] Figure 2 It is a structural schematic diagram of the present invention.

[0022] Figure 3 It is a structural schematic diagram of the pulley clamping rod.

[0023] Figure 4 It is a schematic diagram of the structure of the belt guide rod.

[0024] L-belt guide rod rotation direction. DETAILED DESCRIPTION

[0025] The specific implementation modes of the present invention are described in detail below with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 2-4 As shown, a kind of air compressor head belt tooling, the tooling includes a head fixing seat 1, a pulley clamping rod 2, a belt guide rod 3 and a screwdriver 4; the upper surface of the head fixing seat 1 is used to fit the corresponding lower surface of the air compressor head; the pulley clamping rod 2 is provided with a clamping groove 21 and a downward pressing plane 22, the clamping groove 21 is an open groove, and the clamping groove 21 is used to fit the side of the pulley that is not engaged with the belt; the downward pressing plane 22 is used to fit the upper end surface of the belt; the belt guide rod 3 is provided with a guide groove 31 and a fixing hole 32, the guide groove 31 is an open arc groove and its arc diameter is the same as the crankshaft diameter, the inner side surface of the guide groove 31 is used to press the belt to fit the outer surface of the crankshaft, and the upper and lower sides of the guide groove 31 are used to respectively fit the upper and lower end surfaces of the belt and the upper and lower surfaces of the crankshaft and the belt meshing position; the screwdriver 4 is provided with a tool bar 41, the tool bar 41 is used to pass through the fixing hole 32 and the corresponding hole position of the crankshaft located on the inner side of the belt in sequence, and be engaged in the fixing hole 32 by an inclined surface. In this method, the pressing groove 21 of the pulley pressing rod 2 is in contact with the side of the pulley that is not engaged with the belt, and the lower pressing plane 22 is in contact with the upper end face of the belt so that the pulley end face is flush with the belt end face; at the same time, the inner side face of the guide groove 31 presses the belt until it is in contact with the outer surface of the crankshaft, and the upper and lower sides of the guide groove 31 are respectively in contact with the upper and lower end faces of the belt and the upper and lower surfaces of the engagement position between the crankshaft and the belt, so that the belt is limited when the crankshaft is rotated to avoid the misalignment caused by the skew of the belt, so that the belt can be rotated and engaged on the pulley and the crankshaft along the guide of the rotating force; thereby improving the installation accuracy of the belt and also improving the installation efficiency of the belt. At the same time, when the crankshaft is rotated, the tool bar 41 of the screwdriver 4 is sequentially inserted into the fixing hole 32 and the corresponding hole position of the crankshaft located on the inner side of the belt to connect the belt guide rod 3 and the crankshaft as a whole, so that when the belt guide rod 3 rotates, the crankshaft rotates synchronously to prevent uneven force from causing difficulties in belt installation; and in this method, using tools to install the belt is more convenient and labor-saving than manual installation, which improves production efficiency.

[0028] The upper end of the pulley pressing rod 2 is provided with a connecting rod 23 and a pressing hand seat 24, the pressing hand seat 24 is in the shape of an inverted boss for convenient hand holding, and the connecting rod 23 is located at the lower end of the pressing hand seat 24. The connecting rod 23 is cylindrical.

[0029] The belt guide rod 3 is also provided with a guide handle 33, which is located outside the guide groove 31, and its length direction is the radial direction of the guide groove 31. The guide handle 33 is in the shape of a rectangular parallelepiped, and the outermost end of the guide handle 33 is an arc chamfered structure. When the guide handle 33 is manually rotated, the crankshaft can be driven to rotate by utilizing the lever principle, thereby reducing the labor force required by the worker, thereby reducing the labor intensity of the worker.

[0030] A plurality of fixing holes 32 are respectively located on the upper and lower sides of the guide groove 31 and are relatively distributed. The fixing holes 32 are located on one side of the guide handle 33 of the guide groove 31 in the circumferential direction.

[0031] In addition, the present invention also discloses a method for installing an air compressor head belt, which adopts the air compressor head belt tooling, and comprises the following steps:

[0032] (S1) Nesting the air compressor head onto the head fixing seat 1 so that the belt loading surface is kept horizontal;

[0033] (S2) inserting the pressing groove 21 in the pulley pressing rod 2 into the side of the pulley that is not engaged with the belt;

[0034] (S3) Pre-slip the belt so that the lower pressing plane 22 of the pulley pressing rod 2 is flush with the upper end surface of the belt, straighten the belt to the right so that the belt is attached to the outer edge of the crankshaft; then clamp the guide groove 31 of the belt guide rod 3 onto the belt so that the belt is between the crankshaft and the guide groove 31; then use a screwdriver 4 to sequentially pass through the fixing hole 32 and the corresponding hole position of the crankshaft located on the inner side of the belt to prevent the belt from loosening;

[0035] (S4) Press the pulley clamping rod 2 and rotate the belt guide rod 3 counterclockwise to the right, so that the crankshaft rotates through the rotation force of the pulley clamping rod 2 and drives the belt to be respectively put on the crankshaft and the pulley.

[0036] In addition, the present invention also discloses an air compressor head, including a pulley, a belt and a crankshaft. The outer surfaces of the pulley and the crankshaft are provided with belt grooves, and the belts are respectively embedded in the belt grooves of the pulley and the crankshaft to connect the two; when installing the belt to the pulley and the crankshaft, the air compressor head belt tooling is used.

[0037] like Figure 1 An air compressor shown includes an air tank 5, a wheel bracket, multiple wheels 6, a foot pad bracket, a foot pad 7 and an air compressor head 8; the air compressor head 8 adopts the air compressor head described above; the wheel bracket and the foot pad bracket are both fixed to the bottom of the air tank 5, the multiple wheels 6 are rotatably connected to the wheel bracket, and the foot pad 7 is fixed to the foot pad bracket; the air compressor head 8 is fixed to the top of the air tank 5.

Claims

1. An air compressor head belt tooling, characterized in that: The tooling comprises a machine head fixing seat (1), a pulley clamping rod (2), a belt guide rod (3) and a screwdriver (4); the upper surface of the machine head fixing seat (1) is used to fit the corresponding lower surface of the machine head of the supporting air compressor; the pulley clamping rod (2) is provided with a clamping groove (21) and a downward pressing plane (22), the clamping groove (21) is an open groove, and the clamping groove (21) is used to fit the side of the pulley that is not engaged with the belt; the downward pressing plane (22) is used to fit the upper end surface of the belt; the belt guide rod (3) is provided with a guide groove (31) and a fixing hole (32), the guide groove (31) is an open arc groove and its arc diameter is equal to the crankshaft diameter Similarly, the inner side surface of the guide groove (31) is used to press the belt to fit the outer surface of the crankshaft, and the upper and lower side surfaces of the guide groove (31) are used to fit the upper and lower end surfaces of the belt and the upper and lower surfaces of the crankshaft and the belt meshing position respectively; the screwdriver (4) is provided with a tool rod (41), the tool rod (41) is used to pass through the fixing hole (32) and the corresponding hole position of the crankshaft located on the inner side of the belt in sequence, and is embedded in the fixing hole (32) by means of an inclined surface; the two fixing holes (32) are respectively located on the upper and lower sides of the guide groove (31) and are distributed opposite to each other, and the fixing hole (32) is located on the side of the guide handle (33) in the circumferential direction of the guide groove (31).

2. The air compressor head belt tooling according to claim 1, characterized in that: A connecting rod (23) and a pressing hand seat (24) are provided at the upper end of the pulley pressing rod (2); the pressing hand seat (24) is in the shape of an inverted boss, and the connecting rod (23) is located at the lower end of the pressing hand seat (24).

3. The air compressor head belt tooling according to claim 2, characterized in that: The connecting rod (23) is cylindrical.

4. The air compressor head belt tooling according to claim 1, characterized in that: The belt guide rod (3) is also provided with a guide handle rod (33), which is located outside the guide groove (31) and has a length direction that is radial to the guide groove (31).

5. The air compressor head belt tooling according to claim 4, characterized in that: The guide handle (33) is in the shape of a rectangular parallelepiped, and the outermost end of the guide handle (33) is an arc chamfered structure.

6. A method for installing a belt on a head of an air compressor, characterized in that: The method adopts the air compressor head belt tooling according to claim 1, and the method comprises the following steps: (S1) Insert the compressor head into the head fixing seat (1) so that the belt surface is kept horizontal; (S2) inserting the pressing groove (21) in the pulley pressing rod (2) into the side of the pulley that is not engaged with the belt; (S3) Pre-slip the belt so that the lower pressing plane (22) of the pulley pressure rod (2) is flush with the upper end surface of the belt, and straighten the belt to the right so that the belt is attached to the outer edge of the crankshaft; then clamp the guide groove (31) of the belt guide rod (3) onto the belt so that the belt is between the crankshaft and the guide groove (31); then use a screwdriver (4) to sequentially pass through the fixing hole (32) and the corresponding hole on the crankshaft inside the belt to prevent the belt from loosening; (S4) Press the pulley clamping rod (2) and rotate the belt guide rod (3) counterclockwise to the right, so that the crankshaft rotates through the rotation force of the pulley clamping rod (2) and drives the belt to be respectively put on the crankshaft and the pulley.

7. An air compressor head, characterized in that: It includes a pulley, a belt and a crankshaft. The outer surfaces of the pulley and the crankshaft are provided with belt grooves. The belt is respectively embedded in the belt grooves of the pulley and the crankshaft to connect the two. When installing the belt to the pulley and the crankshaft, an air compressor head belt tooling as described in claim 1 is used.

8. An air compressor, characterized in that: The invention comprises an air storage tank (5), a wheel bracket, a plurality of wheels (6), a foot pad bracket, a foot pad (7) and an air compressor head (8); the air compressor head (8) adopts an air compressor head as claimed in claim 7; the wheel bracket and the foot pad bracket are both fixed to the bottom of the air storage tank (5), the plurality of wheels (6) are rotatably connected to the wheel bracket, and the foot pad (7) is fixed to the foot pad bracket; the air compressor head (8) is fixed to the top of the air storage tank (5).

Images