CN217355419U

CN217355419U - Safe and energy-saving transmission structure

Info

Publication number: CN217355419U
Application number: CN202221105203.3U
Authority: CN
Inventors: 张汝秀; 左丽
Original assignee: Wuxi Milo Intelligent Industrial Technology Co ltd
Current assignee: Wuxi Milo Intelligent Industrial Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-02
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a safe and energy-saving transmission structure, which comprises two transmission boxes connected in parallel, wherein one end of each transmission box is provided with a driving shaft, the other end of each transmission box is provided with a driven shaft, the driving shaft is provided with two driving belt wheels respectively arranged in the two transmission boxes, and the driven shaft is provided with two driven belt wheels respectively arranged in the two transmission boxes; an idler wheel is also arranged in the transmission case; the outer side wall of the transmission case is provided with a tensioning assembly, a supporting assembly is arranged between the two transmission cases, two ends of the driven shaft are arranged on the tensioning assembly, and the middle of the driven shaft is arranged on the supporting assembly. The utility model discloses with the parallelly connected setting of hold-in range, utilize two hold-in ranges of a motor drive, guarantee that the transmission is stable, reduce belt fracture risk, be convenient for adjust the rate of tension.

Description

Safe and energy-conserving transmission structure

Technical Field

The utility model relates to a transmission structure specifically is a safe and energy-conserving transmission structure.

Background

In the application of the existing synchronous belt transmission structure, most synchronous belt transmission mechanism motors are horizontally installed, so that the occupied space is large, the synchronous belt transmission mechanism motors are easy to interfere with surrounding equipment, and the installation and the maintenance are inconvenient. Most synchronous belt transmission mechanisms adopt a motor to drive a single synchronous belt wheel mechanism, the motor and the synchronous belt have larger specifications, and no protective measures are taken when a belt is broken; most double-synchronous belt transmission mechanism driving wheels adopt keys to install synchronous belt wheels, the installation and the maintenance are difficult, and the tensity of double synchronous belts is different.

SUMMERY OF THE UTILITY MODEL

For solving the defect of the prior art, the utility model provides a safe and energy-conserving transmission structure, the utility model discloses with the parallelly connected setting of hold-in range, utilize two hold-in ranges of a motor drive, guarantee that the transmission is stable, reduce belt fracture risk, be convenient for adjust the rate of tension.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: a safe and energy-saving transmission structure comprises two transmission boxes which are connected in parallel, wherein one end of each transmission box is provided with a driving shaft in a penetrating manner, the other end of each transmission box is provided with a driven shaft in a penetrating manner, the driving shaft is provided with two driving belt wheels which are respectively arranged in the two transmission boxes, and the driven shaft is provided with two driven belt wheels which are respectively arranged in the two transmission boxes; an idler wheel is also arranged in the transmission case;

the outer side wall of the transmission case is provided with a tensioning assembly, a supporting assembly is arranged between the two transmission cases, two ends of the driven shaft are arranged on the tensioning assembly, and the middle of the driven shaft is arranged on the supporting assembly.

Furthermore, the two ends of the driving shaft are provided with a bearing with a seat for fixing the driving shaft on the transmission case, one end of the driving shaft extends out of one of the bearings with the seat and then is provided with a coupler, and the coupler is connected with a vertical motor.

Further, the outside of driving pulley is provided with the spacer bush, and the inboard is provided with the tight cover that expands, the tight cover that expands is established inlay behind the driving shaft is established in the driving pulley.

Furthermore, the tensioning assembly comprises a fixing plate fixed on the transmission case, the fixing plate is provided with a vertical adjusting groove used for penetrating through the driven shaft, the part of the driven shaft extending out of the adjusting groove is connected with an adjusting rod, the fixing plate is provided with a reference plate located above the driven shaft, and the adjusting rod is in threaded connection with the reference plate.

Furthermore, the transmission case is provided with a side plate, a through hole with the same size as the adjusting groove is formed in the side plate, and the driven shaft penetrates through the through hole and then is arranged in the adjusting groove in a penetrating mode.

Furthermore, an upper nut and a lower nut are arranged on the adjusting rod, the upper nut is located above the reference plate, and the lower nut is located below the reference plate.

Furthermore, the support assembly comprises a guide sleeve and a support column fixed at the lower end of the guide sleeve, the guide sleeve is provided with a deep hole along the vertical direction, a spring is arranged in the deep hole, the upper end of the spring is provided with a guide block, two side walls of the deep hole are provided with guide grooves, and the driven shaft penetrates through the guide grooves on two sides and is fixedly connected with the guide block.

Further, the size of the guide block is larger than that of the guide groove, and the size of the guide groove is larger than the diameter of the driven shaft.

To sum up, the utility model discloses following technological effect has been gained:

1. the utility model discloses through each synchronous pulley mounting hole of finish machining after the transmission case box welds, guarantee each synchronous pulley parallel mount, avoid the hold-in range off tracking, easily install, debug and maintain, reduce the equipment and use the degree of difficulty;

2. the utility model drives two synchronous belts by one motor, the power of the motor is smaller, and the purchasing cost and the use cost are saved; the two synchronous belts are used for transmission, so that the transmission protection can be enhanced, and the probability of accidents caused by fatigue fracture of the belts is effectively avoided;

3. the synchronous belt driving wheel of the utility model adopts the key-free synchronous belt pulley, has simple installation, convenient debugging and easy maintenance, and occupies smaller space for installation and maintenance under the same working condition;

4. the utility model relates to a compact structure, processing, debugging and maintenance are convenient.

5. The utility model discloses set up supporting component, can provide the support at the middle part of driven shaft for adjust driven pulley's height at the both ends of whole driven shaft, guarantee that the rate of tension of two hold-in ranges is the same.

Drawings

Fig. 1 is a schematic view of a safe and energy-saving transmission structure provided by an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the mounting relationship between the drive shaft and the drive pulley and the belt bearing;

FIG. 4 is a schematic view of the tension assembly mounted on the drive housing;

FIG. 5 is a schematic view of the tensioning assembly, driven shaft and support assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

as shown in fig. 1 and fig. 2, a safe and energy-saving transmission structure comprises two transmission cases 4 connected in parallel, wherein one end of each transmission case 4 is provided with a driving shaft 3 in a penetrating manner, the other end of each transmission case is provided with a driven shaft 9 in a penetrating manner, the driving shaft 3 is provided with two driving belt pulleys 5 respectively arranged in the two transmission cases 4, and the driven shaft 9 is provided with two driven belt pulleys 15 respectively arranged in the two transmission cases 4; an idler wheel 10 is also arranged in the transmission case 4; 2 hold-in range 11 are around establishing on driving pulley 5, driven pulley 15, idler 10, and 2 transmission cases 4 are parallelly connected for 2 hold-in ranges 11 are also parallelly connected, and 2 hold-in range synchronous motion drive work platform (not shown) motion jointly, strengthen the stationarity of operation, can reduce single with the cracked risk of hold-in range.

As shown in fig. 2, two ends of the driving shaft 3 are provided with a bearing with seat 6 for fixing the driving shaft 3 on the transmission case 4, one end of the driving shaft 3 extends out of one of the bearing with seat 6 and is provided with a coupling 12, and the coupling 12 is connected with the vertical motor 2. Specifically, as shown in fig. 3, a spacer 13 is provided on the outer side of the driving pulley 5, and an expansion sleeve 14 is provided on the inner side. The synchronous belt wheel 5 and the belt seat bearing 6 are separated by the spacer 13, so that the belt seat bearing 6 is convenient to mount, and the motion stability of the driving shaft 3 is ensured. The expansion sleeve 14 is sleeved on the driving shaft 3 and then embedded in the driving belt wheel 5, and meanwhile, the driving belt wheel 5 and the driving shaft 3 move synchronously by virtue of being fixed on the driving belt wheel 5 through bolts, so that the two driving belt wheels 5 in the two transmission boxes 4 are fixed on the driving shaft 3, the synchronous movement of the two driving belt wheels 5 is realized, and the synchronous movement of the two synchronous belts 11 is further realized.

In the embodiment, the driving belt wheel 5 adopts a key-free synchronous belt wheel, so that the installation is simple, the debugging is convenient, the maintenance is easy, and the occupied space for installation and maintenance is smaller under the same working condition.

As shown in fig. 2, the outer side wall of the transmission case 4 is provided with a tensioning assembly 7, a supporting assembly 8 is arranged between the two transmission cases 4, two ends of the driven shaft 9 are arranged on the tensioning assembly 7, and the middle part is arranged on the supporting assembly 8.

Further, as shown in fig. 4, the tensioning assembly 7 includes a fixing plate 701 fixed on the transmission case 4, the fixing plate 701 is provided with a vertical adjusting groove 702 for penetrating through the driven shaft 9, a portion of the driven shaft 9 extending outside the adjusting groove 702 is connected with an adjusting rod 704, the fixing plate 701 is provided with a reference plate 703 located above the driven shaft 9, and the adjusting rod 704 is in threaded connection with the reference plate 703.

The transmission case 4 is provided with a side plate 401, a through hole 402 with the same size as the adjusting groove 702 is formed in the side plate 401, and the driven shaft 9 penetrates through the through hole 402 and then is arranged in the adjusting groove 702 in a penetrating mode.

The adjustment rod 704 is provided with an upper nut 705 and a lower nut 706, the upper nut 705 is positioned above the reference plate 703, and the lower nut 706 is positioned below the reference plate 703.

All set up a tensioning assembly 7 in the outside of two transmission cases 4, a through-hole 402 is all seted up to 4 total curb plates of two transmission cases 4, driven shaft 9 passes 4 through-holes and sets up, and the both ends of driven shaft are connected respectively on adjusting pole 704, when the height of driven shaft 9 needs to be adjusted, unscrew upper portion nut 705 and lower part nut 706, after the altitude mixture control of pole 704 will be adjusted, make the height of driven shaft 9 suitable, driven pulley 15's height makes hold-in range 11 tensioning or transfers the pine this moment, screw up upper portion nut 705 and lower part nut 706 after the regulation finishes. The tensioning assemblies 7 on both sides are adjusted simultaneously so that the adjustment degrees on both sides are the same.

When the adjusting lever 704 is rotated, the adjusting lever 704 moves upward or downward, and the adjusting lever 704 is connected to the driven shaft 9 by a bearing, so that the driven shaft 9 moves up and down along with the adjusting lever 704 to adjust the height of the driven pulley 15. When the driven shaft 9 moves up and down, the driven shaft 9 is located in the adjustment groove 702, and moves along the adjustment groove 702.

As shown in fig. 5, a section of the middle supporting component 8 is shown, the supporting component 8 includes a guiding sleeve 802 and a supporting column 801 fixed at the lower end of the guiding sleeve 802, the supporting column 801 is fixed on the bottom plate 1, the guiding sleeve 802 is provided with a deep hole along the vertical direction, a spring 804 is arranged in the deep hole, the upper end of the spring 804 is provided with a guiding block 805 which can compress the spring 804 when pressing the guiding block 805, two side walls of the deep hole are provided with guiding grooves 803, the driven shaft 9 passes through the guiding grooves 803 at two sides to be fixedly connected with the guiding block 805, when two ends of the driven shaft 9 move up and down along with the adjusting rod 704, the driven shaft 9 descends integrally to drive the guiding block 805 to descend, the guiding block compresses the spring, meanwhile, the spring can provide an upward supporting force for the guiding block 805, and is matched with the tensioning components 7 at two ends, the tensioning components 7 at two ends provide fixing of the driven shaft 9, the middle spring provides a supporting force, keeping the driven shaft 9 stable.

In this embodiment, the guide sleeve 802 is a hollow cylinder with a deep hole in the center, the guide groove 803 formed in the side wall of the guide sleeve 802 is used for the up-and-down movement of the driven shaft 9, the guide block 805 is placed in the deep hole, the size of the guide block 805 is larger than that of the guide groove 803, and the size of the guide groove 803 is larger than that of the driven shaft 9, so that the guide block 805 does not separate from the deep hole when the driven shaft 9 moves up and down, and the verticality and stability of the operation of the driven shaft 9 are improved.

Place the regulation of driven shaft 9 at both ends, can adjust two driven pulley 15's height simultaneously to adjust two hold-in range 11's rate of tension, guarantee the stability and the synchronization of two hold-in ranges.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a safe and energy-conserving transmission structure which characterized in that: the device comprises two transmission boxes (4) which are connected in parallel, wherein a driving shaft (3) penetrates through one end of each transmission box (4), a driven shaft (9) penetrates through the other end of each transmission box (4), two driving belt wheels (5) which are respectively arranged in the two transmission boxes (4) are arranged on the driving shaft (3), and two driven belt wheels (15) which are respectively arranged in the two transmission boxes (4) are arranged on the driven shaft (9); an idler wheel (10) is also arranged in the transmission case (4);

the lateral wall of transmission case (4) is provided with tensioning assembly (7), two be provided with supporting component (8) between transmission case (4), the both ends of driven shaft (9) set up on tensioning assembly (7), the middle part sets up on supporting component (8).

2. A safe and energy-saving transmission structure according to claim 1, characterized in that: the two ends of the driving shaft (3) are provided with a bearing with a seat (6) which fixes the driving shaft (3) on the transmission case (4), one end of the driving shaft (3) stretches out of one of the bearing with a seat (6) and then is provided with a coupler (12), and the coupler (12) is connected with a vertical motor (2).

3. A safe and energy-saving transmission structure according to claim 2, characterized in that: the outside of driving pulley (5) is provided with spacer sleeve (13), and the inboard is provided with bloated tight cover (14), it establishes to expand tight cover (14) cover after driving shaft (3) goes up to inlay in driving pulley (5).

4. A safe and energy-saving transmission structure according to claim 1, characterized in that: tensioning subassembly (7) are including fixing fixed plate (701) on transmission case (4), vertical regulation groove (702) that are used for running through driven shaft (9) are seted up in fixed plate (701), driven shaft (9) stretch out be in regulation groove (702) outside part is connected with adjusts pole (704), fixed plate (701) are provided with and are located driven shaft (9) top benchmark board (703), adjust pole (704) threaded connection benchmark board (703).

5. A safe and energy-saving transmission according to claim 4, characterized in that: the transmission case (4) is provided with a side plate (401), a through hole (402) with the same size as the adjusting groove (702) is formed in the side plate (401), and the driven shaft (9) penetrates through the through hole (402) and then is arranged in the adjusting groove (702) in a penetrating mode.

6. A safe and energy-saving transmission according to claim 4, characterized in that: an upper nut (705) and a lower nut (706) are arranged on the adjusting rod (704), the upper nut (705) is located above the reference plate (703), and the lower nut (706) is located below the reference plate (703).

7. A safe and energy-saving transmission structure according to claim 1, characterized in that: the supporting assembly (8) comprises a guide sleeve (802) and a supporting column (801) fixed to the lower end of the guide sleeve (802), the guide sleeve (802) is provided with a deep hole along the vertical direction, a spring (804) is arranged in the deep hole, a guide block (805) is arranged at the upper end of the spring (804), two side walls of the deep hole are provided with guide grooves (803), and the driven shaft (9) penetrates through the guide grooves (803) on two sides to be fixedly connected with the guide block (805).

8. A safe and energy-saving transmission structure according to claim 7, wherein: the guide block (805) has a size larger than that of the guide groove (803), and the guide groove (803) has a size larger than the diameter of the driven shaft (9).