CN205184194U - Water pump pulley assembly quality - Google Patents
Water pump pulley assembly quality Download PDFInfo
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- CN205184194U CN205184194U CN201520941801.8U CN201520941801U CN205184194U CN 205184194 U CN205184194 U CN 205184194U CN 201520941801 U CN201520941801 U CN 201520941801U CN 205184194 U CN205184194 U CN 205184194U
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- water pump
- press
- workbench
- pump pulley
- assembling device
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Abstract
The utility model discloses a water pump pulley assembly quality, including workstation, the central alignment pressure equipment mechanism of setting on the workstation, the workstation has the telescopic machanism who is used for a mandril to hold the axle. Center alignment pressure equipment mechanism includes the floating supporting mechanism of horizontal installation on the workstation, be located the anchor clamps body on the floating supporting mechanism, be located the work piece fixed establishment on central alignment mechanism upper portion and be located the pressure equipment mechanism on central alignment mechanism upper portion. The utility model discloses a device installation belt pulley is accurate high, can not damage the bearing, and the installation effectiveness is high.
Description
Technical field
The utility model relates to auto pump erection unit technical field, particularly a kind of water pump pulley assembling device.
Background technology
The assembling key of belt pulley can not bear pressure assembling force at assembling process middle (center) bearing rolling element, and another key point is the pump housing can not have relative displacement namely will fix the dead pump housing and bearing inner-core with bearing inner-core (be pump shaft for being separated class water pump) press-fiting in process.Existing pressing method adopts to press-fit manually, put by the pump housing on the table, and the hand steered pump housing of a people makes pump housing bearing contact with on workbench, and belt pulley is placed in bearing shaft by another people, and hand steered belt pulley, pounds belt pulley into bearing shaft with hammer.There is following problem in above-mentioned pressing method: at least need two people operation, operation is wasted time and energy, and efficiency of assembling is extremely low, and two people only can install 20 in one day 8 hours, and what is more important yield rate is low, yield rate only 60%.And pump housing weight greatly not easily grasps balance, easily smash bearing shaft or/belt pulley, and impulsive force is large in the process of pounding, produces reaction force, easily cause bearing damage.
Utility model content
The utility model is for above-mentioned prior art Problems existing, provides a kind of water pump pulley assembling device, and install belt pulley accurately high, can not damage bearing, installation effectiveness is high.
The technical solution of the utility model is: a kind of water pump pulley assembling device, comprise workbench, setting center centering press-loading device on the table, described workbench has the telescoping mechanism for holding out against bearing shaft, and described center centering press-loading device comprises level installation Floatable supporting mechanism, the clamp body be positioned on Floatable supporting mechanism on the table, is positioned at the workpiece fixed mechanism on alignment mechanism top, center and is positioned at the press-loading device on alignment mechanism top, center.
Described Floatable supporting mechanism comprises setting fixed head on the table and the float plate be connected by rolling mechanism with fixed head.
Described workbench, fixed head, float plate, clamp body center are provided with the through hole supplying the push rod of telescoping mechanism to pass.
Described rolling mechanism comprises the shoulder hole be arranged on fixed head, be arranged at the annular groove on shoulder hole and be positioned at several steel balls of annular groove, and described float plate is provided with the annular lug matched with fixed head shoulder hole.
The uniform mechanism of steel ball is provided with in described annular groove.
The uniform mechanism of described steel ball comprises the annular retainer being positioned at annular groove, described annular retainer is evenly equipped with several for placing the through hole of steel ball.
Several original position guiding mechanisms are evenly equipped with inside the shoulder hole of described fixed head.
Described original position guiding mechanism comprises the cylindrical shell of the one end open be arranged on inside shoulder hole, the spring being positioned at cylindrical shell and the steel ball be positioned on spring.
Described workpiece fixed mechanism comprises the fixing cylinder that is arranged under workbench top board and the pressing plate under being positioned at fixing cylinder.Described pressing plate has several fixed legs.
Described press-loading device comprise setting under the top plate press-fit cylinder and be positioned at the pressure head press-fiting Telescopic-cylinder end.
Described telescoping mechanism comprises and is positioned at holding out against cylinder and being arranged on the push rod holding out against cylinder upper end under workbench.
Described head mouth is horn mouth shape.
Described workbench has the hold-fast body for holding push rod tightly.
Described push rod and pressure head coaxial.
Described clamp body upper surface is provided with pump housing alignment pin, and clamp body lower surface is provided with the clamp body alignment pin be connected with float plate.
Described pressing plate is provided with the through hole that size and belt pulley match.
A kind of automobile engine cooling water pump belt pulley assembly method, comprises the following steps:
1) be placed on clamp body by the pump housing, the pump housing is located by the pump housing alignment pin on clamp body, prevents the pump housing from moving;
2) press-fit cylinder operation band dynamic head to move down, after pressure head and pump housing bearing touch, pressure head continues to move down and drives float plate to move on fixed head, makes pump housing bearing coaxial with pressure head;
3) fixed air cylinder working band dynamic pressure plate moves down, and the fixed leg under pressing plate contacts with the pump housing, is fixed by the pump housing, press-fits cylinder operation band dynamic head and moves up;
4) now holding out against cylinder operation drives push rod to move up in laminating pump housing bearing shaft, and wedge inserts in the push-rod hole of push rod by locking cylinder work;
5) be placed on by belt pulley in pressing plate through hole, now press-fit cylinder operation band dynamic head and move down, pressure head pressure moves down over pulleys carried, is fitted in by belt pulley in bearing shaft;
6) wedge retracts by locking cylinder work, and hold out against cylinder operation and drive push rod to move down, take off the pump housing, belt pulley installs.
Further, between step 4) and step 3), push rod is held tightly by hold-fast body work.
The beneficial effects of the utility model: operationally, press-loading device plays the effect of pump housing bearing shaft centering (even if push rod, bearing shaft and pressure head are coaxial) press-loading device on the one hand, makes pressure head in the process pressed down, belt pulley is pressed in bearing shaft accurately.Annular retainer is evenly equipped with several for placing the through hole of steel ball, the diameter of steel ball is greater than the degree of depth of annular groove, the degree of depth of annular groove is greater than the thickness of annular retainer, and annular retainer can ensure that steel ball is uniformly dispersed, thus makes float plate uniform force; Float plate is connected with the floating steel ball of firm banking, spacing is about 0.5-1mm, and bearing enters in pressure head, and pressure head plays guide effect and drives the motion of water pump component, jig plate, float plate, thus elimination bearing centre and equipment press-fit the offset at center, make water pump component bearing centre centering.Push rod is held in hold-fast body action tightly, and now push rod can not move up and down, and the action of voussoir cylinder, voussoir is ejected.Wedge surface on voussoir and push rod is tightly fitted.Relative displacement to this pump housing and bearing is fixed.Voussoir withstands push rod, and the follow-up middle pressure assembling force that press-fits is born by push rod, and bearing roller can not be press-fited power effect again, can guarantee to press-fit the intact of middle (center) bearing.Several original position guiding mechanisms are evenly equipped with inside the shoulder hole of fixed head, cylindrical shell one end of original position guiding mechanism is provided with interior hexagonal indentations, be convenient to the degree of depth adjusting cylindrical shell patchhole, thus regulate float plate to be positioned at original position, original position guiding mechanism utilizes little elastic force spring top clamping steel ball, make steel ball stressed all the time, 4 original position guiding mechanisms are set float plate cylindrical surrounding is uniform, float plate can be made automatically to return original position; Float plate can utilize the rolling of steel ball in the plane any direction move.Float plate arranges locating hole, for quick-replaceable clamp body, adapts to the pump housing of different model.Pressing plate has several fixed legs, and the length of fixed leg adjusts according to the profile of the pump housing, and adopt 3 fixed legs, fixation, prevents the pump housing from tilting.This pressure head endoporus coordinates with bearing large end cylindrical small―gap suture, pressure head and machine spindle are rigidly connected, when pressure head and main shaft are together descending with work speed, bearing top circle progresses into pressure head endoporus, the machine spindle object concentric with bearing centre (there is certain axiality, axiality is pressure head and main shaft fit clearance and pressure head and bearing clearance sum) is reached with this.Head mouth is set to horn mouth shape, plays guide effect, and just bearing enters smoothly.In pressure head, steam vent is set, to eliminate the air pressure that bearing enters pressure head generation.Hold-fast body employing is pneumatic adds dish, and push rod can not move up and down, after hold-fast body work, and now can not by the pump housing jack-up during push rod locking institution staff.Described pressing plate is provided with the through hole that size and belt pulley match, and plays to the effect of belt pulley location.Described pressing plate is provided with the belt pulley pre-determined bit plate of flexible connection, according to the belt pulley press-fiting different model, changes different belt pulley predetermined plate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Floatable supporting mechanism structural representation of the present utility model;
Fig. 3 is the uniform mechanism structure schematic diagram of steel ball of the present utility model.
Drawing reference numeral illustrates: 1, hold out against cylinder; 2, push rod; 3, hold-fast body; 4, workbench; 7, fixed head; 8, steel ball; 9, annular groove; 10, float plate; 11, clamp body; 12, the pump housing; 13, bearing shaft; 14, fixed leg; 15, pressure head; 16, pressing plate; 17, fixing cylinder; 18, top board; 19, cylinder is press-fited; 20, the uniform mechanism of steel ball; 21, the through hole of steel ball is placed; 22, shoulder hole; 23, steel ball; 24, spring; 25, cylindrical shell.
Detailed description of the invention
Embodiment 1: as shown in Figure 1, 2, 3, a kind of water pump pulley assembling device, comprises workbench 4, the center centering press-loading device be arranged on workbench 4, and described workbench has the telescoping mechanism for holding out against bearing shaft 13.
Described center centering press-loading device comprises level installation Floatable supporting mechanism, the clamp body 11 be positioned on Floatable supporting mechanism on the table, is positioned at the workpiece fixed mechanism on alignment mechanism top, center and is positioned at the press-loading device on alignment mechanism top, center.
Described Floatable supporting mechanism comprises setting fixed head 7 on the table and the float plate 10 be connected by rolling mechanism with fixed head 7.
Described workbench, fixed head, float plate, clamp body center are provided with the through hole supplying the push rod 2 of telescoping mechanism to pass.
Described rolling mechanism comprises the shoulder hole 22 be arranged on fixed head, be arranged at the annular groove 9 on shoulder hole and be positioned at several steel balls 8 of annular groove 9, and described float plate is provided with the annular lug matched with fixed head shoulder hole.
The uniform mechanism 20 of steel ball is provided with in described annular groove.
The uniform mechanism of described steel ball comprises the annular retainer being positioned at annular groove, described annular retainer is evenly equipped with several for placing the through hole 21 of steel ball.
Several original position guiding mechanisms are evenly equipped with inside the shoulder hole of described fixed head.
Described original position guiding mechanism comprises the cylindrical shell of the one end open be arranged on inside shoulder hole, the spring being positioned at cylindrical shell 25 and the steel ball 23 be positioned on spring 24.
Described workpiece fixed mechanism comprises and is arranged on the fixing cylinder 17 under workbench top board 18 and the pressing plate 16 under being positioned at fixing cylinder 17.Described pressing plate has several fixed legs 14.
Described press-loading device comprises setting press-fiting cylinder 19 and being positioned at the pressure head 15 press-fiting cylinder 19 telescopic end under the top plate.
Described telescoping mechanism comprises and is positioned at holding out against cylinder 1 and being arranged on the push rod holding out against cylinder upper end under workbench.
Described workbench has the hold-fast body 3 for holding push rod tightly.
Described push rod and pressure head coaxial.
Described clamp body upper surface is provided with pump housing alignment pin, and clamp body lower surface is provided with the clamp body alignment pin be connected with float plate.
Described pressing plate is provided with the through hole that size and belt pulley match.
A kind of automobile engine cooling water pump belt pulley assembly method, comprises the following steps:
1) be placed on clamp body by the pump housing 12, the pump housing is located by the pump housing alignment pin on clamp body, prevents the pump housing from moving;
2) press-fit cylinder operation band dynamic head to move down, after pressure head and pump housing bearing touch, pressure head continues to move down and drives float plate to move on fixed head, makes pump housing bearing coaxial with pressure head;
3) fixed air cylinder working band dynamic pressure plate moves down, and the fixed leg under pressing plate contacts with the pump housing, is fixed by the pump housing, press-fits cylinder operation band dynamic head and moves up;
4) holding out against cylinder operation drives push rod to move up, and push rod end face and pump housing bearing shaft end face are fitted, and then push rod is held in hold-fast body action tightly;
5) be placed on by belt pulley in pressing plate through hole, now press-fit cylinder operation band dynamic head and move down, pressure head pressure moves down over pulleys carried, is fitted in by belt pulley in bearing shaft;
6) push rod is unclamped in hold-fast body action, and hold out against cylinder operation and drive push rod to move down, take off the pump housing, belt pulley installs.
Embodiment 2: as shown in Figure 1, 2, 3, a kind of water pump pulley assembling device, comprises workbench 4, the center centering press-loading device be arranged on workbench 4, and described workbench has the telescoping mechanism for holding out against bearing shaft 13.
Described center centering press-loading device comprises level installation Floatable supporting mechanism, the clamp body 11 be positioned on Floatable supporting mechanism on the table, is positioned at the workpiece fixed mechanism on alignment mechanism top, center and is positioned at the press-loading device on alignment mechanism top, center.
Described Floatable supporting mechanism comprises setting fixed head 7 on the table and the float plate 10 be connected by rolling mechanism with fixed head 7.
Described workbench, fixed head, float plate, clamp body center are provided with the through hole supplying the push rod 2 of telescoping mechanism to pass.
Described rolling mechanism comprises the shoulder hole 22 be arranged on fixed head, be arranged at the annular groove 9 on shoulder hole and be positioned at several steel balls 8 of annular groove 9, and described float plate is provided with the annular lug matched with fixed head shoulder hole.
The uniform mechanism 20 of steel ball is provided with in described annular groove.
The uniform mechanism of described steel ball comprises the annular retainer being positioned at annular groove, described annular retainer is evenly equipped with several for placing the through hole 21 of steel ball.
Several original position guiding mechanisms are evenly equipped with inside the shoulder hole of described fixed head.
Described original position guiding mechanism comprises the cylindrical shell of the one end open be arranged on inside shoulder hole, the spring being positioned at cylindrical shell 25 and the steel ball 23 be positioned on spring 24.
Described workpiece fixed mechanism comprises and is arranged on the fixing cylinder 17 under workbench top board 18 and the pressing plate 16 under being positioned at fixing cylinder 17.Described pressing plate has several fixed legs 14.
Described press-loading device comprises setting press-fiting cylinder 19 and being positioned at the pressure head 15 press-fiting cylinder 19 telescopic end under the top plate.
Described telescoping mechanism comprises and is positioned at holding out against cylinder 1 and being arranged on the push rod holding out against cylinder upper end under workbench.
Described head mouth is horn mouth shape.
Described workbench has the hold-fast body 3 for holding push rod tightly.
Described push rod and pressure head coaxial.
Described pressing plate is provided with the through hole that size and belt pulley match.
Embodiment 3: as shown in Figure 1, 2, 3, a kind of water pump pulley assembling device, comprises workbench 4, the center centering press-loading device be arranged on workbench 4, and described workbench has the telescoping mechanism for holding out against bearing shaft 13.
Described center centering press-loading device comprises level installation Floatable supporting mechanism, the clamp body 11 be positioned on Floatable supporting mechanism on the table, is positioned at the workpiece fixed mechanism on alignment mechanism top, center and is positioned at the press-loading device on alignment mechanism top, center.
Described Floatable supporting mechanism comprises setting fixed head 7 on the table and the float plate 10 be connected by rolling mechanism with fixed head 7.
Described workbench, fixed head, float plate, clamp body center are provided with the through hole supplying the push rod 2 of telescoping mechanism to pass.
Described rolling mechanism comprises the shoulder hole 22 be arranged on fixed head, be arranged at the annular groove 9 on shoulder hole and be positioned at several steel balls 8 of annular groove 9, and described float plate is provided with the annular lug matched with fixed head shoulder hole.
The uniform mechanism 20 of steel ball is provided with in described annular groove.
The uniform mechanism of described steel ball comprises the annular retainer being positioned at annular groove, described annular retainer is evenly equipped with several for placing the through hole 21 of steel ball.
Several original position guiding mechanisms are evenly equipped with inside the shoulder hole of described fixed head.
Described original position guiding mechanism comprises the cylindrical shell of the one end open be arranged on inside shoulder hole, the spring being positioned at cylindrical shell 25 and the steel ball 23 be positioned on spring 24.
Described workpiece fixed mechanism comprises and is arranged on the fixing cylinder 17 under workbench top board 18 and the pressing plate 16 under being positioned at fixing cylinder 17.Described pressing plate has several fixed legs 14.
Described press-loading device comprises setting press-fiting cylinder 19 and being positioned at the pressure head 15 press-fiting cylinder 19 telescopic end under the top plate.
Described telescoping mechanism comprises and is positioned at holding out against cylinder 1 and being arranged on the push rod holding out against cylinder upper end under workbench.
Described head mouth is horn mouth shape.
Described workbench has the hold-fast body 3 for holding push rod tightly.
Described push rod and pressure head coaxial.
Described clamp body upper surface is provided with pump housing alignment pin, and clamp body lower surface is provided with the clamp body alignment pin be connected with float plate.
Described pressing plate is provided with the through hole that size and belt pulley match.
Embodiment 4: as shown in Figure 1, 2, 3, a kind of water pump pulley assembling device, comprises workbench 4, the center centering press-loading device be arranged on workbench 4, and described workbench has the telescoping mechanism for holding out against bearing shaft 13.
Described center centering press-loading device comprises level installation Floatable supporting mechanism, the clamp body 11 be positioned on Floatable supporting mechanism on the table, is positioned at the workpiece fixed mechanism on alignment mechanism top, center and is positioned at the press-loading device on alignment mechanism top, center.
Described Floatable supporting mechanism comprises setting fixed head 7 on the table and the float plate 10 be connected by rolling mechanism with fixed head 7.
Described workbench, fixed head, float plate, clamp body center are provided with the through hole supplying the push rod 2 of telescoping mechanism to pass.
Described rolling mechanism comprises the shoulder hole 22 be arranged on fixed head, be arranged at the annular groove 9 on shoulder hole and be positioned at several steel balls 8 of annular groove 9, and described float plate is provided with the annular lug matched with fixed head shoulder hole.
The uniform mechanism 20 of steel ball is provided with in described annular groove.
The uniform mechanism of described steel ball comprises the annular retainer being positioned at annular groove, described annular retainer is evenly equipped with several for placing the through hole 21 of steel ball.
Several original position guiding mechanisms are evenly equipped with inside the shoulder hole of described fixed head.
Described original position guiding mechanism comprises the cylindrical shell of the one end open be arranged on inside shoulder hole, the spring being positioned at cylindrical shell 25 and the steel ball 23 be positioned on spring 24.
Described workpiece fixed mechanism comprises and is arranged on the fixing cylinder 17 under workbench top board 18 and the pressing plate 16 under being positioned at fixing cylinder 17.Described pressing plate has several fixed legs 14.
Described press-loading device comprises setting press-fiting cylinder 19 and being positioned at the pressure head 15 press-fiting cylinder 19 telescopic end under the top plate.
Described telescoping mechanism comprises and is positioned at holding out against cylinder 1 and being arranged on the push rod holding out against cylinder upper end under workbench.
Described head mouth is horn mouth shape.
Described workbench has the hold-fast body 3 for holding push rod tightly.
Described push rod and pressure head coaxial.
Described clamp body upper surface is provided with pump housing alignment pin, and clamp body lower surface is provided with the clamp body alignment pin be connected with float plate.
Described pressing plate is provided with the through hole that size and belt pulley match.
Claims (10)
1. a water pump pulley assembling device, it is characterized in that: the center centering press-loading device comprising workbench and arrange on the table, described workbench has the telescoping mechanism for holding out against bearing shaft, and described center centering press-loading device comprises level installation Floatable supporting mechanism, the clamp body be positioned on Floatable supporting mechanism on the table, is positioned at the workpiece fixed mechanism on alignment mechanism top, center and is positioned at the press-loading device on alignment mechanism top, center.
2. water pump pulley assembling device as claimed in claim 1, is characterized in that: described workbench has the hold-fast body for holding push rod tightly.
3. water pump pulley assembling device as claimed in claim 1, is characterized in that: described Floatable supporting mechanism comprises setting fixed head on the table and the float plate be connected by rolling mechanism with fixed head.
4. water pump pulley assembling device as claimed in claim 1, is characterized in that: described clamp body upper surface is provided with pump housing alignment pin.
5. water pump pulley assembling device as claimed in claim 3, it is characterized in that: described rolling mechanism comprises the shoulder hole be arranged on fixed head, be arranged at the annular groove on shoulder hole and be positioned at several steel balls of annular groove, and described float plate is provided with the annular lug matched with fixed head shoulder hole.
6. water pump pulley assembling device as claimed in claim 5, is characterized in that: be provided with the uniform mechanism of steel ball in described annular groove; The uniform mechanism of described steel ball comprises the annular retainer being positioned at annular groove, described annular retainer is evenly equipped with several for placing the through hole of steel ball.
7. water pump pulley assembling device as claimed in claim 5, is characterized in that: be evenly equipped with several original position guiding mechanisms inside the shoulder hole of described fixed head; Described original position guiding mechanism comprises the cylindrical shell of the one end open be arranged on inside shoulder hole, the spring being positioned at cylindrical shell and the steel ball be positioned on spring.
8. water pump pulley assembling device as claimed in claim 1, is characterized in that: described workpiece fixed mechanism comprises and is arranged on the fixing cylinder under workbench top board and the pressing plate under being positioned at fixing cylinder, and described pressing plate has several fixed legs; Described press-loading device comprise setting under the top plate press-fit cylinder and be positioned at the pressure head press-fiting Telescopic-cylinder end; Described head mouth is horn mouth shape.
9. water pump pulley assembling device as claimed in claim 8, is characterized in that: described telescoping mechanism comprises and is positioned at holding out against cylinder and being arranged on the push rod holding out against cylinder upper end under workbench; Push rod and pressure head coaxial; Described pressing plate is provided with the through hole that size and belt pulley match.
10. water pump pulley assembling device as claimed in claim 5, is characterized in that: workbench, fixed head, float plate and clamp body center are provided with the through hole supplying the push rod of telescoping mechanism to pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941801.8U CN205184194U (en) | 2015-11-24 | 2015-11-24 | Water pump pulley assembly quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520941801.8U CN205184194U (en) | 2015-11-24 | 2015-11-24 | Water pump pulley assembly quality |
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| Publication Number | Publication Date |
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| CN205184194U true CN205184194U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520941801.8U Active CN205184194U (en) | 2015-11-24 | 2015-11-24 | Water pump pulley assembly quality |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364458A (en) * | 2015-11-24 | 2016-03-02 | 河南省西峡汽车水泵股份有限公司 | Device and method for assembling belt pulley of cooling water pump of automobile engine |
| CN107825112A (en) * | 2017-12-22 | 2018-03-23 | 奥音新材料（镇江）有限公司 | A kind of automation pressing machine of loudspeaker flexible manufacturing production line |
| CN114871726A (en) * | 2022-07-07 | 2022-08-09 | 苏州欧圣电气股份有限公司 | Press mounting equipment of belt transmission power device and using method thereof |
-
2015
- 2015-11-24 CN CN201520941801.8U patent/CN205184194U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364458A (en) * | 2015-11-24 | 2016-03-02 | 河南省西峡汽车水泵股份有限公司 | Device and method for assembling belt pulley of cooling water pump of automobile engine |
| CN105364458B (en) * | 2015-11-24 | 2018-07-13 | 河南省西峡汽车水泵股份有限公司 | Automobile engine cooling water pump belt pulley assembles device and assembly method |
| CN107825112A (en) * | 2017-12-22 | 2018-03-23 | 奥音新材料（镇江）有限公司 | A kind of automation pressing machine of loudspeaker flexible manufacturing production line |
| CN107825112B (en) * | 2017-12-22 | 2024-02-13 | 镇江贝斯特新材料股份有限公司 | Automatic pressing machine of flexible manufacturing production line of loudspeaker |
| CN114871726A (en) * | 2022-07-07 | 2022-08-09 | 苏州欧圣电气股份有限公司 | Press mounting equipment of belt transmission power device and using method thereof |
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