CN110732862A - Press mounting method and press mounting platform for arm pin shaft of pump truck - Google Patents
Press mounting method and press mounting platform for arm pin shaft of pump truck Download PDFInfo
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- CN110732862A CN110732862A CN201911160868.7A CN201911160868A CN110732862A CN 110732862 A CN110732862 A CN 110732862A CN 201911160868 A CN201911160868 A CN 201911160868A CN 110732862 A CN110732862 A CN 110732862A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 140
- 230000000149 penetrating effect Effects 0.000 claims abstract description 31
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- Automatic Assembly (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a arm pin shaft press-fitting method and a press-fitting platform for a pump truck, wherein the pin shaft press-fitting method expresses the press-fitting sequence and the press-fitting process of six pin shafts on a arm of the pump truck, the press-fitting platform mainly comprises an assembly platform 1, pin shaft penetrating mechanisms 9, arm cylinder press-fitting mechanisms 2, a second arm cylinder press-fitting mechanism 3 and the like, all the mechanisms are arranged on the assembly platform 1, the number of the pin shaft penetrating mechanisms 9 is the same as that of the pin shafts, and the pin shafts are respectively pressed and fitted, the arm cylinder press-fitting mechanisms 2 complete press-fitting alignment work of the pin shafts at two ends of a arm cylinder 6, and the second arm cylinder press-fitting mechanism 3 completes alignment work of three pin shafts on a second arm cylinder 7 and a connecting rod 4.
Description
Technical Field
The invention relates to an mechanical assembling method and an assembling platform, in particular to an assembling method and an assembling platform for engineering machines, and more particularly to a pin shaft press-fitting method and a pin shaft press-fitting platform for arms of pump trucks in a step.
Background
The concept of robot replacement is more and more accepted by the public along with the popularization of industrial 4.0 concept and the attention of various production enterprises to automation systems, the concept of robot replacement is system engineering, and relates to the technical fields of machinery, electronics, optics, graphics and the like, means that equipment or systems capable of replacing manual labor are collectively called as a robot, and the robot replacement is not only used for saving labor force, but also is more embodied in improving efficiency and better ensuring the quality of products.
The pump truck is common concrete construction equipment, and the pump truck industry in China is always at the world leading level. The automation and digitalization of the production and manufacturing process of the pump truck reflect the technical advancement of China in the pump truck industry. However, in the existing assembly process of the pump truck arm support, the pin shaft is assembled in place in a knocking and smashing mode through manual hoisting, alignment and overturning, the efficiency is extremely low, the working strength is extremely high, and the automation level is improved urgently.
Disclosure of Invention
The invention aims to provide a method and a platform for press-fitting a pin shaft of an arm of a pump truck aiming at the problems.
The object of the invention can be achieved by the following technical measures:
the key steps of the method for press mounting the pin shaft of the arm of the pump truck are as follows:
1) placing the rotary table 5 at a designated position on the assembly platform 1, and positioning by using the shaft hole;
2) placing the knuckle arm oil cylinder 6 at a designated position on the knuckle arm oil cylinder press-mounting mechanism 2, and positioning by utilizing the edge;
3) push-pull mechanism 21 on arm cylinder press-fitting mechanism 2 pushes arm cylinder press-fitting mechanism 2 and arm cylinder 6 on it forward, so that arm cylinder pin hole 61 on arm cylinder 6 aligns with turntable cylinder pin hole 51 on turntable 5;
4) the pin shaft penetrating mechanism 9 presses the No. II pin shaft 102 in place;
5) placing the connecting rod 4 at a designated position on the two-section arm oil cylinder press-fitting mechanism 3, and positioning by utilizing the edge;
6) placing the two-section arm oil cylinder 7 at a designated position on the two-section arm oil cylinder press-fitting mechanism 3, and ensuring that the connecting rod oil cylinder pin shaft hole 41 is aligned with the two-section arm oil cylinder piston rod pin shaft hole 72 by utilizing edge positioning;
7) the V-shaped pin shaft 105 is pressed in place by the pin shaft penetrating mechanism 9;
8) inserting the auxiliary pin 14 into the seventh pin hole 87 in the arm 8;
9) the head part of the arm 8 is placed on the positioning saddle 11, the auxiliary pin 14 falls in the notch 111 on the positioning saddle 11 and is positioned by utilizing the matching relationship of the shaft and the groove, the tail part of the arm 8 falls on the lifting bracket 12 on the assembly platform 1, the height of the lifting bracket 12 is adjusted, and the pin hole 81 of the arm 8 is aligned with the arm frame pin hole 52 on the turntable 5;
10) the pin shaft penetrating mechanism 9 presses the I-shaped pin shaft 101 in place;
11) the jacking mechanism 22 on the arm cylinder press-fitting mechanism 2 pushes the arm cylinder 6 upwards, so that the pin shaft hole 62 of the piston rod of the arm cylinder is aligned with the third pin shaft hole 83 on the arm 8;
12) the pin shaft penetrating mechanism 9 presses the pin shaft III 103 in place;
13) the jacking mechanism 22 on the two-section arm oil cylinder press-mounting mechanism 3 and positioned below the two-section arm oil cylinder 7 pushes the two-section arm oil cylinder 7 upwards, so that the pin shaft hole 71 of the cylinder barrel of the two-section arm oil cylinder is aligned with the fourth pin shaft hole 84 on the arm 8;
14) the pin shaft penetrating mechanism 9 presses the IV pin shaft 104 in place;
15) the jacking mechanism 22 on the two-section arm oil cylinder press-fitting mechanism 3 and positioned below the connecting rod 4 pushes the connecting rod 4 upwards, so that the pin shaft hole 42 of the connecting rod arm support is aligned with the sixth pin shaft hole 86 on the arm 8;
16) the pin shaft penetrating mechanism 9 presses the VI-shaped pin shaft 106 in place;
thus, the press fitting work of six pin shafts on the arm 8 is completed.
In order to ensure the smooth implementation of the steps, the invention discloses a arm pin shaft press-fitting platform for pump trucks.
The pump truck arm pin shaft press-fitting platform mainly comprises an assembly platform 1, a arm cylinder press-fitting mechanism 2, a two-section arm cylinder press-fitting mechanism 3, a pin shaft penetrating mechanism 9, a positioning saddle 11 and a lifting bracket 12, wherein the arm cylinder press-fitting mechanism 2, the two-section arm cylinder press-fitting mechanism 3, the positioning saddle 11 and the lifting bracket 12 are arranged on the assembly platform 1, the positioning device 13 is matched with a rotary table 5 to position the rotary table 5, the arm cylinder press-fitting mechanism 2 can slide in a reciprocating mode along the length direction of a arm 8, the pin shaft penetrating mechanisms 9 are the same in number as the number of pin shafts, are arranged on the side face of the arm 8 and respectively press-fit the corresponding pin shafts, the positioning saddle 11 is arranged on the lower side of the arm 8, a notch 111 is arranged at the.
The arm cylinder press-fitting mechanism 2 is composed of a push-pull mechanism 21, a jacking mechanism 22 and a positioning tool 23, wherein a end of the push-pull mechanism 21 is hinged with the assembly platform 1, the other end of the push-pull mechanism 21 is hinged with the positioning tool 23, the positioning tool 23 is driven by the push-pull mechanism 21 to slide in a reciprocating manner along the length direction of a arm 8, the arm cylinder 6 is placed on the positioning tool 23, a cylinder barrel faces upwards, a piston rod faces downwards, an included angle between the axis of the cylinder barrel and the horizontal plane is an acute angle, and the cylinder barrel is positioned by an edge, and the axis of a pin shaft hole 61 of the arm cylinder barrel is parallel to the axis of a pin shaft;
the jacking mechanism 22 is essentially oil cylinders with fixed bottoms and provided with jacking blocks 221 at tail ends, the oil cylinders extend upwards when extending out, the oil cylinders are fixed on the positioning tool 23 and positioned at the lower side of the arm cylinder 6, and the jacking blocks 221 are in sliding contact with the arm cylinder 6 in the jacking process.
The push-pull mechanism 21 is essentially oil cylinders.
The two-section arm cylinder press-fitting mechanism 3 is composed of a structure frame 31 and two jacking mechanisms 22, the structure frame 31 is fixed on the assembly platform 1, the jacking mechanisms 22 are fixed on the structure frame 31 in front of and behind and are respectively positioned below the connecting rod 4 and the two-section arm cylinder 7, the structure frame 31 is provided with a positioning groove 311, and the connecting rod 4 and the two-section arm cylinder 7 are placed on the structure frame 31 and ensure that the two-section arm cylinder piston rod pin shaft hole 72 and the connecting rod cylinder pin shaft hole 41 are coaxial through the positioning groove 311.
The pin shaft penetrating mechanism 9 mainly comprises a V-shaped seat 91, a pushing mechanism 92 and a guide shaft 93; the guide shaft 93 and the pin shaft have the same diameter and are always coaxial when placed in the V-shaped seat 91; the movable end of the ejection mechanism 92 pushes the pin shaft, the pin shaft pushes the guide shaft 93 to move along the V-shaped seat 91, and the head of the guide shaft 93 is provided with a large chamfer.
The pushing mechanism 92 is oil cylinders.
The method is characterized in that: the positioning device 13 is a positioning column, and the matching relationship between the positioning column and the turntable 5 is a shaft hole matching relationship.
The invention has the following beneficial effects:
by adopting the pump truck arm pin shaft press-fitting method and the press-fitting platform, two persons are only needed to complete the pin shaft press-fitting work, the semi-automatic operation of the pin shaft press-fitting is realized, the working efficiency is greatly improved, only the required parts need to be placed in place manually, the labor intensity is reduced, and the pump truck arm pin shaft press-fitting method and the press-fitting platform have a great push value of in the field of pin shaft press-fitting work in the engineering machinery industry.
Drawings
Fig. 1 is a schematic view of the overall structure of the arm pin press-fitting platform of the pump truck ;
FIG. 2 shows a sequence of pin hole arrangements on arm 8;
FIG. 3 is a schematic view showing the arrangement sequence of the pins;
fig. 4 is a schematic view showing the positioning of the turntable 5 on the mounting platform 1 through the shaft hole;
FIG. 5 is a schematic structural view of an knuckle arm cylinder press-fitting mechanism 2;
FIG. 6 is a schematic view showing the assembly of the arm cylinder 6 and the turntable 5;
fig. 7 is a schematic diagram illustrating a state that the jacking mechanism 22 jacks the knuckle arm cylinder 6;
fig. 8 is a schematic view of the overall structure of the two-joint arm cylinder press-fitting mechanism 3;
FIG. 9 is a front view of the two-joint arm cylinder press-fitting mechanism 3;
fig. 10 is a schematic view illustrating the positioning of the positioning support 11 and the auxiliary pin 14;
fig. 11 is a schematic view showing the overall structure of the pin shaft penetrating mechanism 9;
FIG. 12 shows an end view of the pin passing mechanism 9;
in the figure, the serial numbers of an assembly platform 1, an arm cylinder press-mounting mechanism 2 , a push-pull mechanism 21, a jacking mechanism 22, a positioning tool 23, a jacking block 221, an arm cylinder press-mounting mechanism 3 with two sections, a structural frame 31, a positioning groove 311, a connecting rod 4, a connecting rod cylinder pin hole 41, a connecting rod arm frame pin hole 42, a rotary table 5, a rotary table cylinder pin hole 51, a rotary table arm frame pin hole 52, a arm cylinder 6 , an arm cylinder 61 , an arm cylinder pin hole 62 , an arm cylinder piston rod pin hole 7, an arm cylinder 71, an arm cylinder pin hole 72, an arm cylinder piston rod pin hole 8 , an arm 81, a pin hole 83, a third pin hole 83, a fourth pin hole 84, a sixth pin hole 86, a seventh pin hole 87, a pin hole 9, a pin penetrating mechanism 91V-shaped seat, a pushing mechanism 92, a guide shaft 93, a pin shaft 101I, a pin shaft 102II, a pin shaft 103, a pin shaft 104, a pin shaft IV, a pin shaft 105V-shaped pin shaft 106, a pin shaft III, a pin shaft bracket 13, a positioning bracket VI, a lifting platform bracket 13 and a.
Detailed Description
The invention aims to provide a pressing method and a pressing platform for a arm pin shaft of an set pump truck, wherein the key steps of the pressing method are as follows:
1) placing the rotary table 5 at a designated position on the assembly platform 1, and positioning by using the shaft hole;
2) placing the knuckle arm oil cylinder 6 at a designated position on the knuckle arm oil cylinder press-mounting mechanism 2, and positioning by utilizing the edge;
3) push-pull mechanism 21 on arm cylinder press-fitting mechanism 2 pushes arm cylinder press-fitting mechanism 2 and arm cylinder 6 on it forward, so that arm cylinder pin hole 61 on arm cylinder 6 aligns with turntable cylinder pin hole 51 on turntable 5;
4) the pin shaft penetrating mechanism 9 presses the No. II pin shaft 102 in place;
5) placing the connecting rod 4 at a designated position on the two-section arm oil cylinder press-fitting mechanism 3, and positioning by utilizing the edge;
6) placing the two-section arm oil cylinder 7 at a designated position on the two-section arm oil cylinder press-fitting mechanism 3, and ensuring that the connecting rod oil cylinder pin shaft hole 41 is aligned with the two-section arm oil cylinder piston rod pin shaft hole 72 by utilizing edge positioning;
7) the V-shaped pin shaft 105 is pressed in place by the pin shaft penetrating mechanism 9;
8) inserting the auxiliary pin 14 into the seventh pin hole 87 in the arm 8;
9) the head part of the arm 8 is placed on the positioning saddle 11, the auxiliary pin 14 falls in the notch 111 on the positioning saddle 11 and is positioned by utilizing the matching relationship of the shaft and the groove, the tail part of the arm 8 falls on the lifting bracket 12 on the assembly platform 1, the height of the lifting bracket 12 is adjusted, and the pin hole 81 of the arm 8 is aligned with the arm frame pin hole 52 on the turntable 5;
10) the pin shaft penetrating mechanism 9 presses the I-shaped pin shaft 101 in place;
11) the jacking mechanism 22 on the arm cylinder press-fitting mechanism 2 pushes the arm cylinder 6 upwards, so that the pin shaft hole 62 of the piston rod of the arm cylinder is aligned with the third pin shaft hole 83 on the arm 8;
12) the pin shaft penetrating mechanism 9 presses the pin shaft III 103 in place;
13) the jacking mechanism 22 on the two-section arm oil cylinder press-mounting mechanism 3 and positioned below the two-section arm oil cylinder 7 pushes the two-section arm oil cylinder 7 upwards, so that the pin shaft hole 71 of the cylinder barrel of the two-section arm oil cylinder is aligned with the fourth pin shaft hole 84 on the arm 8;
14) the pin shaft penetrating mechanism 9 presses the IV pin shaft 104 in place;
15) the jacking mechanism 22 on the two-section arm oil cylinder press-fitting mechanism 3 and positioned below the connecting rod 4 pushes the connecting rod 4 upwards, so that the pin shaft hole 42 of the connecting rod arm support is aligned with the sixth pin shaft hole 86 on the arm 8;
16) the pin shaft penetrating mechanism 9 presses the VI-shaped pin shaft 106 in place;
at this point, the press-fitting operation of the arm 8 with six pins is completed, and the seventh pin hole 87 is matched with the auxiliary pin 14 to position the arm 8.
In order to ensure the smooth implementation of the steps and successfully press-fit the pin shaft into the pin shaft hole shown in fig. 2, the invention discloses a arm pin shaft press-fitting platform for pump trucks.
As shown in figure 1, the pump truck arm pin shaft press-fitting platform mainly comprises an assembly platform 1, a knuckle arm cylinder press-fitting mechanism 2, a two knuckle arm cylinder press-fitting mechanism 3, a pin penetrating shaft mechanism 9, a positioning support platform 11 and a lifting bracket 12, which are arranged on the assembly platform 1, as shown in figure 4, a positioning device 13 is arranged on the assembly platform 1, the positioning device 13 is matched with a rotary table 5 to position the rotary table 5, the position accuracy of the rotary table 5 on the assembly platform 1 is ensured, as shown in figure 6, the 0 knuckle arm cylinder press-fitting mechanism 2 can slide back and forth along the length direction of an arm 8 of 1, before a knuckle arm cylinder 6 of 732 is placed, the knuckle arm cylinder press-fitting mechanism 2 retracts to make a space, when , namely after the knuckle arm cylinder 6 is placed, the push-pull mechanism 21 pushes the knuckle arm cylinder press-push-pull mechanism 2 to avoid interference, the pin penetrating shaft mechanisms 9 are the same in number and are arranged on the side surface of an arm 8, the corresponding pin shafts are respectively arranged on the side surface of the arm 638, the corresponding pin shafts 84, as well as a lower end of a lower arm supporting bracket 14, the lifting bracket 14, and a lower end of an adjustable support arm is arranged on a lifting bracket 898, as shown in figure 38, and a lower end of an adjustable support platform 14, and a positioning device 11, which is arranged on a lifting bracket 14, and a positioning device 11, as shown in figure 11, and a positioning device capable of an adjustable pin shaft hole of an.
As shown in fig. 5, 6 and 7, the knuckle arm cylinder press-fitting mechanism 2 is composed of a push-pull mechanism 21, a jacking mechanism 22 and a positioning tool 23, wherein the end of the push-pull mechanism 21 is hinged to the assembly platform 1, the end is hinged to the positioning tool 23, the positioning tool 23 is guaranteed to slide back and forth along the length direction of a arm 8 under the driving of the push-pull mechanism 21, the knuckle arm cylinder 6 is placed on the positioning tool 23, a cylinder barrel faces upwards, a piston rod faces downwards, the axis of the knuckle arm cylinder pin hole 61 and the horizontal plane form an acute angle, the knuckle arm cylinder 6 can slide downwards under the dead weight and lean against the side for positioning, the axis of the knuckle arm cylinder pin hole 61 and the axis of the turntable cylinder pin hole 51 are parallel and equal in height, and the alignment accuracy of the knuckle arm cylinder pin hole 61 and the turntable cylinder pin hole 51 is guaranteed after the knuckle arm cylinder 6 is pushed into the turntable 5 by the.
As shown in fig. 5, 7, 8 and 9, the jacking mechanism 22 is substantially oil cylinders with fixed bottoms and provided with jacking blocks 221 at tail ends, the oil cylinders extend upwards when extending out, the oil cylinders are fixed on the positioning tool 23 and are positioned at the lower side of the -joint arm oil cylinder 6, and the jacking blocks 221 are in sliding contact with the -joint arm oil cylinder 6 in the jacking process, so that, as shown in fig. 7, when the end of the -joint arm oil cylinder 6 is hinged by the pin shaft 102 No. II, and the jacking mechanism 22 extends out, the -joint arm oil cylinder 6 rotates upwards around the pin shaft 102 No. II until the pin shaft hole 62 of the -joint arm oil cylinder piston rod is aligned with the third pin shaft hole 83, and the corresponding pin shaft penetrating mechanism 9 completes the press-mounting work of the pin shaft 103 No. iii, and similarly, the operation of aligning the connecting rod pin shaft hole 42 and the sixth pin shaft hole 86 of the arm support with the pin shaft hole 84 of the two-joint arm cylinder 71 and the fourth pin shaft hole 84 can be completed by the jacking mechanism 22.
The push-pull mechanism 21 is essentially oil cylinders.
As shown in fig. 8 and 9, the two-section arm cylinder press-fitting mechanism 3 is composed of a structural frame 31 and two jacking mechanisms 22, the structural frame 31 is fixed on the assembly platform 1, the jacking mechanisms 22 are fixed on the structural frame 31 in front of and behind and are respectively positioned below the connecting rod 4 and the two-section arm cylinder 7, the structural frame 31 is provided with a positioning groove 311, and the connecting rod 4 and the two-section arm cylinder 7 are placed on the structural frame 31 and ensure that the two-section arm cylinder piston rod pin shaft hole 72 is coaxial with the connecting rod cylinder pin shaft hole 41 through the positioning groove 311.
As shown in fig. 11 and 12, the pin passing mechanism 9 is mainly composed of a V-shaped seat 91, a pushing mechanism 92, and a guide shaft 93; the guide shaft 93 and the pin shaft have the same diameter and are always coaxial when placed in the V-shaped seat 91; the movable end of the pushing mechanism 92 pushes the pin, and the pin pushes the guide shaft 93 to move along the V-shaped seat 91. Since the head of the guide shaft 93 is provided with a large chamfer, when the two member holes to be hinged are aligned with a slight deviation, the guide shaft 93 can be easily inserted into the holes and the deviation can be corrected so that the two member hole sites are kept coaxial and the pin shaft following the rear of the guide shaft 93 can be smoothly press-fitted in. After the pin shaft is pressed in place, the guide shaft 93 is completely ejected by the pin shaft and can be repeatedly used.
The pushing mechanism 92 is oil cylinders.
The method is characterized in that: the positioning device 13 is a positioning column, and the matching relationship between the positioning column and the turntable 5 is a shaft hole matching relationship.
The invention has the following beneficial effects:
by adopting the pump truck arm pin shaft press-fitting method and the press-fitting platform, two persons are only needed to complete the pin shaft press-fitting work, the semi-automatic operation of the pin shaft press-fitting is realized, the work efficiency is greatly improved, only the required parts need to be placed in place manually, the labor intensity is reduced, and the pump truck arm pin shaft press-fitting method and the press-fitting platform have the value of pushing in the field of pin shaft press-fitting work in the engineering machinery industry
The above description is only a preferred embodiment of the present invention, but does not limit the scope of the present invention. All insubstantial creations made based on this embodiment are considered to be legally protected against tampering or hacking of the invention.
Claims (9)
1. The method for press mounting of the pin shaft of the arm of the pump truck is characterized by comprising the following key steps:
1) placing the rotary table (5) at a designated position on the assembly platform (1), and positioning by using the shaft hole;
2) placing the knuckle arm oil cylinder (6) at a designated position on the knuckle arm oil cylinder press-fitting mechanism (2), and positioning by utilizing the edge;
3) push-pull mechanism (21) on the arm cylinder press-mounting mechanism (2) to push the arm cylinder press-mounting mechanism (2) and the arm cylinder (6) on it forward, so that the cylinder pin hole (61) of arm cylinder on the arm cylinder (6) is aligned with the turntable cylinder pin hole (51) on the turntable (5);
4) the pin shaft penetrating mechanism (9) presses the No. II pin shaft (102) in place;
5) placing the connecting rod (4) at a designated position on the two-section arm oil cylinder press-fitting mechanism (3), and positioning by utilizing the edge;
6) placing the two-section arm oil cylinder (7) at a designated position on the two-section arm oil cylinder press-fitting mechanism (3), and ensuring that the pin shaft hole (41) of the connecting rod oil cylinder is aligned with the pin shaft hole (72) of the piston rod of the two-section arm oil cylinder by utilizing edge positioning;
7) the V-shaped pin shaft (105) is pressed in place by the pin shaft penetrating mechanism (9);
8) inserting the auxiliary pin (14) into a seventh pin hole (87) in the arm (8) of ;
9) the head of an arm (8) is placed on a positioning saddle (11), an auxiliary pin shaft (14) is dropped in a notch (111) on the positioning saddle (11) and is positioned by utilizing the matching relation of shaft grooves, the tail of the arm (8) is dropped on a lifting bracket (12) on an assembly platform (1), the height of the lifting bracket (12) is adjusted, and a pin shaft hole (81) of the arm (8) is aligned with a turntable arm frame pin shaft hole (52) on a turntable (5);
10) the pin shaft penetrating mechanism (9) presses the pin shaft I (101) in place;
11) the jacking mechanism (22) on the arm cylinder press-mounting mechanism (2) pushes the arm cylinder (6) upwards, so that the pin shaft hole (62) of the piston rod of the arm cylinder is aligned with the third pin shaft hole (83) on the arm (8);
12) the pin shaft penetrating mechanism (9) presses the pin shaft III (103) in place;
13) the jacking mechanism (22) on the two-section arm oil cylinder press-mounting mechanism (3) and positioned below the two-section arm oil cylinder (7) pushes the two-section arm oil cylinder (7) upwards to enable the pin shaft hole (71) of the cylinder barrel of the two-section arm oil cylinder to be aligned with the fourth pin shaft hole (84) on the arm (8);
14) the pin shaft penetrating mechanism (9) presses the IV pin shaft (104) in place;
15) a jacking mechanism (22) on the two-section arm oil cylinder press-fitting mechanism (3) and positioned below the connecting rod (4) pushes the connecting rod (4) upwards to enable a connecting rod arm support pin shaft hole (42) to be aligned with a sixth pin shaft hole (86) on the arm (8);
16) and the pin shaft penetrating mechanism (9) presses the VI-shaped pin shaft (106) in place.
2. The pump truck arm pin shaft press-fitting platform is characterized by mainly comprising an assembly platform (1), arm oil cylinder press-fitting mechanisms (2) arranged on the assembly platform (1), two arm oil cylinder press-fitting mechanisms (3), a pin shaft penetrating mechanism (9), a positioning support table (11) and a lifting bracket (12), wherein the assembly platform (1) is provided with a positioning device (13), the positioning device (13) and a rotary table (5) form a matching relationship and position the rotary table (5), the arm oil cylinder press-fitting mechanisms (2) can slide in a reciprocating mode along the length direction of arms (8), the pin shaft penetrating mechanisms (9) are the same in number as the pin shafts and arranged on the side face of the arms (8) and press-fit corresponding pin shafts respectively, the positioning support table (11) is arranged on the lower side of the tail end of the arm (8), the upper portion of the positioning support table is provided with an upward notch, and the lifting bracket (12) is arranged below the arms (64) and the lifting bracket (8) is adjustable in height.
3. The pump truck arm pin shaft press-fitting platform according to claim 2, wherein the arm cylinder press-fitting mechanism (2) is composed of a push-pull mechanism (21), a jacking mechanism (22) and a positioning tool (23), the end of the push-pull mechanism (21) is hinged to the assembly platform (1), the end of the push-pull mechanism is hinged to the positioning tool (23), the positioning tool (23) is driven by the push-pull mechanism (21) to slide in a reciprocating manner along the length direction of the arm (8), the arm cylinder (6) is placed on the positioning tool (23), a cylinder barrel faces upwards, a piston rod faces downwards, an included angle between the axis of the piston rod and a horizontal plane is an acute angle, the piston rod and the cylinder barrel are positioned by side, and the axis of the arm cylinder pin shaft hole (61) is parallel to the axis of the turntable cylinder pin shaft hole (51.
4. The pump truck arm pin press-fitting platform according to claim 3, wherein the jacking mechanism (22) is substantially oil cylinders with fixed bottoms and a jacking block (221) at the tail end, the oil cylinders extend upwards when extending out, the oil cylinders are fixed on the positioning tool (23) and located on the lower side of the arm cylinder (6), and the jacking block (221) is in sliding contact with the arm cylinder (6) during jacking.
5. The pump truck arm pin press-fitting platform according to claim 3, wherein the push-pull mechanism (21) is substantially cylinders.
6. The pump truck arm pin press-fitting platform as claimed in claim 2, wherein the two-section arm cylinder press-fitting mechanism (3) is composed of a structure frame (31) and two jacking mechanisms (22), the structure frame (31) is fixed on the assembly platform (1), the jacking mechanisms (22) are fixed on the structure frame (31) at the front and at the back of and are respectively located below the connecting rod (4) and the two-section arm cylinder (7), the structure frame (31) is provided with positioning grooves (311), and the connecting rod (4) and the two-section arm cylinder (7) are placed on the structure frame (31) and are ensured to be coaxial with the connecting rod cylinder pin shaft hole (41) through the positioning grooves (311) by the two-section arm cylinder piston rod pin shaft hole (72).
7. The pump truck arm pin press-mounting platform according to claim 2, wherein the pin penetrating mechanism (9) is mainly composed of a V-shaped seat (91), a pushing mechanism (92) and a guide shaft (93), the guide shaft (93) and the pin have the same diameter, and are always coaxial when placed in the V-shaped seat (91), the movable end of the pushing mechanism (92) pushes the pin, the pin pushes the guide shaft (93) to move along the V-shaped seat (91), and the head of the guide shaft (93) is provided with a large chamfer.
8. The pump truck arm pin press-fitting platform according to claim 7, wherein the ejector mechanism (92) is substantially cylinders.
9. The pump truck arm pin press-fitting platform according to claim 2, wherein the positioning device (13) is substantially a positioning post, and the fitting relationship formed by the positioning post and the turntable (5) is an axial hole fitting relationship.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160868.7A CN110732862B (en) | 2019-11-23 | 2019-11-23 | Pump truck one-arm pin shaft press-fitting method and press-fitting platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160868.7A CN110732862B (en) | 2019-11-23 | 2019-11-23 | Pump truck one-arm pin shaft press-fitting method and press-fitting platform |
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| CN110732862A true CN110732862A (en) | 2020-01-31 |
| CN110732862B CN110732862B (en) | 2024-08-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879030A (en) * | 2021-03-31 | 2021-06-01 | 湖南五新隧道智能装备股份有限公司 | Swing arm mechanism, connecting rod arm frame system and drill jumbo |
| CN114147461A (en) * | 2021-11-29 | 2022-03-08 | 安徽工业大学 | Auxiliary tool device and auxiliary adjusting method for tipping frame assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306596A (en) * | 1998-06-20 | 2001-08-01 | 韦特津格建筑机械销售及服务股份有限公司 | Vehicle-mounted cement pump |
| CN2595788Y (en) * | 2002-01-07 | 2003-12-31 | 北京市广安创高机械有限公司 | Hyraulic balance mechanism and arm frame type overhead operation platform |
| CN201334325Y (en) * | 2008-12-30 | 2009-10-28 | 武桥重工集团股份有限公司 | Three-section crane arm structure capable of stretching in order with loading. |
| WO2013123793A1 (en) * | 2012-02-24 | 2013-08-29 | 湖南三一智能控制设备有限公司 | Boom device and concrete pump truck |
| CN211072515U (en) * | 2019-11-23 | 2020-07-24 | 郑州弗曼智能设备科技有限公司 | Pump truck one-arm pin shaft press-fitting platform |
-
2019
- 2019-11-23 CN CN201911160868.7A patent/CN110732862B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306596A (en) * | 1998-06-20 | 2001-08-01 | 韦特津格建筑机械销售及服务股份有限公司 | Vehicle-mounted cement pump |
| CN2595788Y (en) * | 2002-01-07 | 2003-12-31 | 北京市广安创高机械有限公司 | Hyraulic balance mechanism and arm frame type overhead operation platform |
| CN201334325Y (en) * | 2008-12-30 | 2009-10-28 | 武桥重工集团股份有限公司 | Three-section crane arm structure capable of stretching in order with loading. |
| WO2013123793A1 (en) * | 2012-02-24 | 2013-08-29 | 湖南三一智能控制设备有限公司 | Boom device and concrete pump truck |
| CN211072515U (en) * | 2019-11-23 | 2020-07-24 | 郑州弗曼智能设备科技有限公司 | Pump truck one-arm pin shaft press-fitting platform |
Non-Patent Citations (1)
| Title |
|---|
| 金霞, 施云权, 王美成: "五节臂伸缩机构", 起重运输机械, no. 08, 20 August 1992 (1992-08-20) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879030A (en) * | 2021-03-31 | 2021-06-01 | 湖南五新隧道智能装备股份有限公司 | Swing arm mechanism, connecting rod arm frame system and drill jumbo |
| CN114147461A (en) * | 2021-11-29 | 2022-03-08 | 安徽工业大学 | Auxiliary tool device and auxiliary adjusting method for tipping frame assembly |
| CN114147461B (en) * | 2021-11-29 | 2023-01-06 | 安徽工业大学 | Auxiliary tool device and auxiliary adjusting method for tipping frame assembly |
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|---|---|
| CN110732862B (en) | 2024-08-06 |
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