Precision gear with assembly adjustable function

Abstract

The utility model relates to the technical field of mechanical transmission, in particular to a precision gear with an assembly adjustable function, fan-shaped tooth blocks are uniformly mounted between two chucks, T-shaped pins are fixedly mounted on the fan-shaped tooth blocks, T-shaped grooves are formed in the fan-shaped tooth blocks, rotating columns for transmission are mounted on the chucks in a sliding manner, and the T-shaped grooves are formed in the rotating columns. A rotary cover used for clamping the chuck is installed on the rotary column in a threaded mode, and threaded rods used for adjusting the position are evenly and fixedly installed at the side end of the rotary column. When teeth of the fan-shaped tooth block are broken in the transmission process, the screw cap is screwed off, then the chuck at the screw cap end is taken down, the fan-shaped tooth block can be completely exposed outside, then the broken fan-shaped tooth block is pushed along the axis, the broken fan-shaped tooth block can be taken down and replaced with a new fan-shaped tooth block, then the screw cap end is inserted back, and then the screw cap is screwed down. Operation is easy and convenient, broken teeth are convenient to replace, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical drive technical field, especially a kind of precision gear with assembly adjustable function. BACKGROUND

[0002] In modern mechanical transmission system, gear as core component, for the efficient, accurate transmission of power plays a key role;In practical application, different mechanical equipment has diversified performance requirements for gear, which usually needs the following technologies to realize:

[0003] 1、Material and manufacturing: select high-quality steel, by forging, cutting processing and heat treatment, forging grain refinement, heat treatment enhances wear resistance and fatigue resistance, create strength, hardness, toughness compatible gear;

[0004] 2、Tooth shape and precision: select standard involute or special tooth shape according to transmission demand, ensure tooth shape precision by numerical control gear grinding machine, realize smooth meshing, reduce vibration noise, improve transmission efficiency;

[0005] 3、Lubrication and sealing: equipped with oil injection or oil bath lubrication system, reduce tooth surface friction and wear, use reliable sealing device, prevent lubricant leakage and impurity intrusion, prolong gear life.

[0006] In modern mechanical transmission system, gear as core component, in crusher, hoisting equipment and other equipment that need to transmit large torque, gear needs to bear extremely high load, and tooth breakage is prone to occur, and the whole gear needs to be replaced after tooth breakage, which increases the cost of maintenance. SUMMARY

[0007] In view of the deficiencies of the prior art, the utility model provides a kind of precision gear with assembly adjustable function, solve in modern mechanical transmission system, gear as core component, in crusher, hoisting equipment and other equipment that need to transmit large torque, gear needs to bear extremely high load, and tooth breakage is prone to occur, and the whole gear needs to be replaced after tooth breakage, which increases the cost of maintenance.

[0008] To achieve the above object, the utility model is realized by the following technical scheme:

[0009] A kind of precision gear with assembly adjustable function, including chuck and gear seat, two chucks are evenly installed with sector tooth block, T-shaped pin is fixedly installed on sector tooth block, T-shaped slot is opened on sector tooth block, rotating column for transmission is slidably installed on chuck, rotating cap for clamping chuck is screw-mounted on rotating column.

[0010] Preferably: the side end of rotating column is evenly fixedly installed with screw rod for adjusting position.

[0011] Preferably, a threaded sleeve for driving the threaded rod is rotatably mounted on the gear base; the threaded sleeve and the threaded rod are in threaded connection.

[0012] Preferably, an auxiliary pinion is fixedly mounted on the threaded sleeve.

[0013] Preferably, an auxiliary gear ring is rotatably mounted on the gear base; the auxiliary gear ring and the auxiliary pinion are in engagement.

[0014] Preferably, a handle is fixedly mounted on the auxiliary gear ring.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] I. When a tooth of the sector tooth block is broken during transmission, the screw cap is unscrewed, the chuck at the end of the screw cap is removed, the sector tooth block is completely exposed, the broken sector tooth block is pushed along the axis, the broken sector tooth block is removed, a new sector tooth block is installed, the end of the screw cap is inserted, and the screw cap is screwed, so that the sector tooth block is conveniently replaced, and the maintenance cost is reduced.

[0017] II. When installing, the gear base is fixedly installed on a transmission shaft or the like, and debugging is performed; if the position of the sector tooth block needs to be axially moved, the handle is rotated, the handle drives the auxiliary gear ring to rotate, the auxiliary gear ring and the auxiliary pinion are in engagement, the handle drives the threaded sleeve to rotate through the engagement of the auxiliary gear ring and the auxiliary pinion, the threaded sleeve and the threaded rod are in threaded connection, the threaded rod drives the sector tooth block to slide, the sector tooth block slides along the axis, the position of the sector tooth block is adjusted according to the use requirement, and the use precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail with reference to the drawings.

[0019] Figure 1 It is a gear base structure diagram of the utility model.

[0020] Figure 2 It is a gear base sectional structure diagram of the utility model.

[0021] Figure 3 It is an explosion structure diagram of the utility model.

[0022] Figure 4 It is a chuck structure diagram of the utility model.

[0023] Figure 5The utility model discloses a fan -shaped tooth block structure diagram.

[0024] Legend: 1, chuck; 2, fan-shaped tooth block; 3, T-shaped pin; 4, T-shaped slot; 5, rotating column; 6, rotating cap; 7, gear base; 8, threaded rod; 9, threaded sleeve; 11, auxiliary pinion; 12, auxiliary gear ring; 13, handle. DETAILED DESCRIPTION

[0025] The embodiment of the application provides a precise gear with an assembly adjustable function, effectively solves the technical problem that in modern mechanical transmission systems, gears are core components, in the equipment such as a crusher and hoisting equipment that need to transmit large torque, gears need to bear extremely high load, and tooth breakage is prone to occur, and after tooth breakage, the whole gear needs to be replaced, and the maintenance cost is improved, when tooth breakage occurs in the transmission process, the rotating cap is unscrewed, then the chuck at the rotating cap end is removed, the fan-shaped tooth block is completely exposed, the broken fan-shaped tooth block is pushed along the axis, the broken fan-shaped tooth block is removed, a new fan-shaped tooth block is replaced, the rotating cap end is inserted back, and the rotating cap is tightened, the operation is simple and convenient, the effect that tooth breakage is conveniently replaced and the maintenance cost is reduced is achieved, when installation is carried out, the gear base is fixedly installed on components such as a transmission shaft, and debugging can be carried out, if the position of the fan-shaped tooth block needs to be moved axially, the handle is rotated, the handle drives the auxiliary gear ring to rotate, the auxiliary gear ring is meshed with the auxiliary pinion, so the handle can also drive the threaded sleeve to rotate through the meshing of the auxiliary gear ring and the auxiliary pinion, the threaded sleeve is in threaded connection with the threaded rod, so the threaded rod drives the fan-shaped tooth block to slide, so that the fan-shaped tooth block can slide along the axis, the effect that the position of the fan-shaped tooth block can be adjusted according to use requirements and use precision is improved is achieved. EMBODIMENT

[0026] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, the technical scheme in the embodiment of the application effectively solves the technical problem that in modern mechanical transmission systems, gears are core components, in the equipment such as a crusher and hoisting equipment that need to transmit large torque, gears need to bear extremely high load, and tooth breakage is prone to occur, and after tooth breakage, the whole gear needs to be replaced, and the maintenance cost is improved, and the general idea is as follows:

[0027] In view of the problems in the prior art, the utility model provides a precise gear with an assembly adjustable function, including chuck 1 and gear base 7, two chucks 1 are evenly installed with fan-shaped tooth block 2, T-shaped pin 3 is fixedly installed on fan-shaped tooth block 2, T-shaped slot 4 is set up on fan-shaped tooth block 2, chuck 1 is slidably installed with rotating column 5 for transmission.

[0028] The threaded cap 6 for clamping the chuck 1 is screwed on the rotating column 5, and the threaded rods 8 for adjusting the position are evenly fixed on the side ends of the rotating column 5. The threaded sleeves 9 for driving the threaded rods 8 are evenly rotatably installed on the gear seat 7.

[0029] The threaded sleeves 9 and the threaded rods 8 are screwed, the auxiliary pinion 11 is fixed on the threaded sleeve 9, and the auxiliary gear ring 12 is rotatably installed on the gear seat 7. The auxiliary gear ring 12 and the auxiliary pinion 11 are engaged, and the knob 13 is fixed on the auxiliary gear ring 12.

[0030] The chuck 1 is a gear structure component, two chucks 1 are clamped on both sides of the sector tooth block 2, and the sector tooth block 2 together constitutes the gear main body to participate in power transmission. In use, the rotating column 5 drives rotation, and multiple sector tooth blocks 2 are driven to rotate by the insertion rod to transmit power. When replacing the broken tooth sector tooth block 2, the chuck 1 can be removed after unscrewing the threaded cap 6, the sector tooth block 2 is exposed for easy replacement, and the replacement operation of the broken tooth part is completed in cooperation;

[0031] The sector tooth block 2 is installed between the two chucks 1, and multiple sector tooth blocks 2 and the chuck 1 together constitute a gear for transmission. The surface is fixedly installed with a T-shaped pin 3, and a T-shaped groove 4 is opened. The adjacent sector tooth blocks 2 are connected through the T-shaped pin 3 and the T-shaped groove 4 to ensure the stability of transmission, can be adjusted in position along the axis, meet different use requirements, improve the use precision, and can be individually removed and replaced when broken teeth appear;

[0032] The T-shaped pin 3 is fixed on the sector tooth block 2 and is slidably installed in the T-shaped groove 4. It cooperates with the T-shaped groove 4 to connect the adjacent two sector tooth blocks 2, so as to ensure the stability of the multiple sector tooth blocks 2 during transmission;

[0033] The T-shaped groove 4 is opened on the sector tooth block 2 and cooperates with the T-shaped pin 3 to realize the connection between the adjacent sector tooth blocks 2 and enhance the transmission stability;

[0034] The rotating column 5 slides on the chuck 1 and bears the transmission function. It rotates under the drive of the gear seat 7, and then drives the two chucks 1 to rotate. As an intermediate link of power transmission, it connects the gear seat 7 and the chuck 1, so that the power is transmitted from the gear seat 7 to the chuck 1 and the connected sector tooth block 2;

[0035] The threaded cap 6 is screwed on the rotating column 5 and cooperates with the rotating column 5 to clamp the chuck 1, so as to fix the rotating column 5 and the chuck 1 relative to each other, so that the power is stably transmitted from the rotating column 5 to the chuck 1. When replacing the broken tooth sector tooth block 2, the chuck 1 can be easily removed by unscrewing the threaded cap 6, which is beneficial to subsequent operation;

[0036] Gear base 7: fixedly installed on the components such as transmission shaft, is the gear assembly and external power source (transmission shaft) connecting part, drive rotating column 5 rotation, start the whole gear transmission process, for power input starting end, when adjusting, do not need to dismount gear base 7;

[0037] Threaded rod 8: three threaded rods 8 are fixed at the side end of rotating column 5 at 120 degrees, for adjusting the position of sector tooth block 2, through the thread connection with threaded sleeve 9, when threaded sleeve 9 rotates, it drives sector tooth block 2 to slide along the axis, realizes the axial adjustment of sector tooth block 2 position;

[0038] Threaded sleeve 9: rotatably installed on gear base 7, threadedly connected with threaded rod 8, drives threaded rod 8 through its rotation, drives sector tooth block 2 position change, at the same time, through the connection with auxiliary pinion 11, rotates under the drive of auxiliary gear ring 12, is the key transmission part of realizing sector tooth block 2 position adjustment;

[0039] Auxiliary pinion 11: fixed on threaded sleeve 9, engages with auxiliary gear ring 12, when auxiliary gear ring 12 rotates, drives threaded sleeve 9 to rotate through the engagement, transmits the rotary motion of auxiliary gear ring 12 to threaded sleeve 9, realizes the power transmission of sector tooth block 2 position adjustment;

[0040] Auxiliary gear ring 12: rotatably installed on gear base 7, engages with auxiliary pinion 11, transmits the rotary motion of ratchet wheel 13 to threaded sleeve 9, and then realizes the adjustment of sector tooth block 2 position;

[0041] Ratchet wheel 13: fixed on auxiliary gear ring 12, rotates ratchet wheel 13 to drive auxiliary gear ring 12 to rotate, starts the transmission chain of adjusting sector tooth block 2 position, is the operation starting point of adjusting sector tooth block 2 position, the operator realizes the axial adjustment of sector tooth block 2 position by rotating ratchet wheel 13.

[0042] Working principle:

[0043] Firstly, when installing, fix gear base 7 on components such as transmission shaft, then debug, if the position of sector tooth block 2 needs to be axially moved, rotate ratchet wheel 13, ratchet wheel 13 will drive auxiliary gear ring 12 to rotate, because auxiliary gear ring 12 engages with auxiliary pinion 11, so rotating ratchet wheel 13 can also drive threaded sleeve 9 to rotate through the engagement of auxiliary gear ring 12 and auxiliary pinion 11, because threaded sleeve 9 is threadedly connected with threaded rod 8, so it will make threaded rod 8 drive sector tooth block 2 to slide, so as to make sector tooth block 2 slide along the axis, achieves the effect of adjusting sector tooth block 2 position according to the use requirement, improves the use precision.

[0044] Second, in use, the gear seat 7 drive rotating column 5 rotation, rotating column 5 drive two chuck 1 rotation, two chuck 1 through the rod simultaneously drive multiple sector tooth block 2 rotation, adjacent two sector tooth block 2 through T-shaped pin 3, T-shaped slot 4 connection, mutual union to ensure the stability of transmission.

[0045] Third, when the transmission process sector tooth block 2 appears broken teeth, unscrew the cap 6, then the cap 6 end chuck 1 is removed, so that the sector tooth block 2 is completely exposed, then push along the axis of the broken sector tooth block 2, the broken sector tooth block 2 is removed, replace the new sector tooth block 2, then the cap 6 end is inserted back, then the cap 6 is tightened, simple operation, to facilitate the replacement of broken teeth to reduce maintenance costs.

[0046] Finally, it should be noted that: apparently, the above examples are merely for the purpose of clearly illustrating the utility model, and not limited to the implementation. For those skilled in the art, on the basis of the above description can also be made in other different forms of changes or variations. Here do not need to and can not be exhausted to all the implementation. The obvious changes or variations derived from still within the scope of the utility model.

Claims

1. A precision gear with adjustable assembly function, comprising a chuck (1) and a gear seat (7), characterized in that, A sector-shaped toothed block (2) is evenly installed between the two clamping plates (1). A T-shaped pin (3) is fixedly installed on the sector-shaped toothed block (2). A T-shaped groove (4) is opened on the sector-shaped toothed block (2). A rotating column (5) for transmission is slidably installed on the clamping plate (1). A screw cap (6) for clamping the clamping plate (1) is threaded on the rotating column (5).

2. A precision gear with adjustable assembly function as described in claim 1, characterized in that, The side end of the swivel column (5) is uniformly fixed with threaded rods (8) for adjusting the position.

3. A precision gear with adjustable assembly function as described in claim 1, characterized in that, A threaded sleeve (9) for driving the threaded rod (8) is uniformly rotatably mounted on the gear seat (7). Among them, the threaded sleeve (9) and the threaded rod (8) are threadedly connected.

4. A precision gear with adjustable assembly function as described in claim 3, characterized in that, An auxiliary pinion (11) is fixedly installed on the threaded sleeve (9).

5. A precision gear with adjustable assembly function as described in claim 1, characterized in that, An auxiliary gear ring (12) is rotatably mounted on the gear seat (7). Among them, the auxiliary gear ring (12) and the auxiliary pinion (11) mesh with each other.

6. A precision gear with adjustable assembly function as described in claim 5, characterized in that, A dial wheel (13) is fixedly installed on the auxiliary gear ring (12).

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