CN103929008B - Motor installation seat capable of automatically tensioning belt - Google Patents
Motor installation seat capable of automatically tensioning belt Download PDFInfo
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- CN103929008B CN103929008B CN201310744528.5A CN201310744528A CN103929008B CN 103929008 B CN103929008 B CN 103929008B CN 201310744528 A CN201310744528 A CN 201310744528A CN 103929008 B CN103929008 B CN 103929008B
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- stud
- belt
- adjustment seat
- guide shaft
- locking bar
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Abstract
A motor installation seat capable of automatically tensioning a belt comprises a base and a lifting table. The lifting table is connected to the base through a connecting shaft arranged at the rear end, the lifting table is provided with a fixing seat for fixing a motor, the front end of the lifting table is provided with a guide shaft which is parallel to the connecting shaft, the connecting shaft and the guide shaft are arranged at the two ends of the fixing base respectively in a sliding mode, and an automatic adjusting mechanism is arranged between the front end of the lifting table and the base. The motor installation seat drives a stud to rotate on the dependence of the tensioning degree of the belt and the gravity of the motor, the distance between the top end of the stud and an adjusting handle wheel is shortened, and the height of the front portion of the lifting table is reduced, so that the belt can remain in the moderate tensioning state. Through adjusting of a thread, the declining of the front portion of the lifting table is more gently, and the occurring rate of the excessive tensioning of the belt is lower. A tooth groove is formed in the stud, so that the stud can only decline, when the tooth groove is aligned with a wedge lock catch, the wedge lock breaks away from the shackles of the thread, the declining of the stud is quicken, the stud can be driven to move upwards, and the excessive tensioning of the belt is avoided.
Description
Technical field
The present invention relates to a kind of adjusting device, specifically, be a kind of can the motor mount of automatic tensioning belt.
Background technology
Oil pumper is a kind of plant equipment of recover petroleum, and motor provides power for oil pumper work, and motor is by belt transmission, and making oil pump running, in order to ensure transmission effect, preventing belt creep, belt needs the state being in tensioning as far as possible.But belt after a long time use, elasticity can weaken gradually, and the belt of originally tensioning can slowly fluff, and starts to occur belt creep, affects the normal work of oil pumper.Now just need the position of moved by hand motor, make belt tensioning again, motor cuts out and just can carry out by this process need, and needing more people's operation, workload is large, and the off-time is long, adjust and improperly also easily cause excessive belt stretch or deflection, accelerate the consumption of belt life, even cause coming off suddenly or rupturing of belt, security incident occurs.
In order to solve the problem, at first patent " multimodal belt of oil pumping machine motor slide rail regulates assembly automatically " (application number: 201220226600.6) propose a kind of self-adjustable device, but still there is many deficiencies.Interval in tooth bar between tooth is comparatively large, regulates a tooth, and the formation that motor slide rail declines is also very large, makes the belt after adjustment still there is the possibility of tension; After belt uses for a long time, the degree difference that each position is lax, belt can become straight, uses this adjusting device still to have the danger of belt dropping; Motor slide rail after decline needs to promote back former height, and when carrying out the replacing of belt, also need to utilize more people to lift, workload still strengthens, and the off-time is still longer.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned prior art exists, devise a kind of can the motor mount of automatic tensioning belt.
Of the present invention can the motor mount of automatic tensioning belt, comprise base and lifting platform, lifting platform is coupling on base by the connecting axle that rear end is arranged, lifting platform is provided with the holder for fixed electrical machinery, lifting platform front end is provided with the guide shaft parallel with connecting axle, holder two ends are slidably mounted on connecting axle and guide shaft respectively, are provided with automatic adjusting mechanism between lifting platform front end and base.
Preferably, described automatic adjusting mechanism comprises stud, the adjustment seat of hollow and adjusting handle, stud is arranged in adjustment seat, adjustment seat is arranged on base, adjusting handle to be arranged on stud and to be threaded connection with stud, adjusting handle is positioned at the top of adjustment seat and contacts with the upper surface of adjustment seat, and guide shaft is provided with Connection Block, and stud top is rotatable to be arranged on Connection Block.
Preferably, described adjustment seat sidewall is provided with the lock of hollow, lock is inner to be communicated with adjustment seat inside, in lock, locking bar is installed, locking bar the inner is provided with wedge shape snap close, and lock is stretched out in locking bar outer end, and locking bar is provided with back-moving spring, wedge shape snap close upwards domatic, the inner of wedge shape snap close and the screw-threaded engagement of stud.
Preferably, the side of stud is provided with teeth groove, and teeth groove arranges multiple along the length direction of stud, teeth groove can with wedge shape latch engagement.
Preferably, the sidewall of described lock is provided with the stopper slot of L-type, and the guide vane end stop that locking bar outer wall is arranged is positioned at stopper slot.
Preferably, the outer end of locking bar is provided with draw ring.
Preferably, be provided with a bearing bore bottom adjusting handle, be provided with plane bearing in bearing bore, the upper surface of adjustment seat contacts with the lower surface of plane bearing.
Preferably, Connection Block can slide on guide shaft, and can guide shaft be also axle rotation, base front portion be provided with slide, and slide is provided with the chute parallel with guide shaft, and adjustment seat is slidably mounted in the chute of slide.
Preferably, holder is provided with the stopper slot for mounted motor and installing hole, installing hole is provided with multiple along the length direction of holder.
The invention has the beneficial effects as follows: this motor mount relies on the tensioning degree of belt and the gravity of motor, and stud is rotated, reduce the distance of stud top and adjusting handle, reduce the height of lifting platform front portion, make the tensioning state that belt keeps moderate.By threaded adjusting, the decline making lifting platform front portion is comparatively mild, occurs that the excessive probability of belt tension is lower.Stud arranges teeth groove, and stud can only be declined, and when teeth groove aims at wedge shape snap close, wedge shape snap close loses the constraint of screw thread, can accelerate the decline of stud, also can make stud moves, avoid belt tension excessive.
The holder of mounted motor can horizontally slip on lifting platform, when making machine operation, automatically can refuse the operation conditions of belt and the right position of degree of crook adjustment motor by root, make belt be in the state of finding accurately all the time, avoid belt dropping, security incident occurs.
Only need a people by drawing outside locking bar and being fixed by stopper slot, then rotate adjusting handle, just lifting platform can be risen, carry out the replacing of belt, employment is few, and processing ease is time saving and energy saving, shortens the off-time, ensure that the production efficiency of oil.
The draw ring that locking bar is installed not only is convenient to the pull-out of locking bar, is also convenient to the rotation of locking bar.The plane bearing installed in adjusting handle makes to be more prone to laborsaving during rotation adjusting handle.Automatic adjusting mechanism entirety also can horizontally slip, and improves the flexibility that device is integrally-regulated.More easily locate when stopper slot on holder makes motor install, make holder hollow out simultaneously, be convenient to the heat radiation of motor.Installing hole on holder also makes motor can be fixed on each position of holder, thus adjustment motor is applied to the moment of lifting platform pressure.
Accompanying drawing explanation
Accompanying drawing 1 is can the overall structure figure of motor mount of automatic tensioning belt;
Accompanying drawing 2 is the structure chart of adjustment seat;
Accompanying drawing 3 is the structure chart of adjusting handle;
Accompanying drawing 4 is the structure chart of stud;
Accompanying drawing 5 is can the working state schematic representation of motor mount of automatic tensioning belt.
Embodiment
Of the present invention can the motor mount of automatic tensioning belt, as shown in Fig. 1 to 5, comprise base 1 and lifting platform 2, lifting platform 2 is coupling on base 1 by the connecting axle 3 that rear end is arranged, lifting platform 2 is provided with the holder 4 for fixed electrical machinery, lifting platform 2 front end is provided with the guide shaft 5 parallel with connecting axle 3, holder 4 two ends are slidably mounted on connecting axle 3 and guide shaft 5 respectively, holder 4 is provided with the stopper slot 21 for mounted motor and installing hole 22, installing hole 22 is provided with multiple along the length direction of holder 4, between lifting platform 2 front end and base 1, automatic adjusting mechanism is installed.
Automatic adjusting mechanism comprises stud 6, the adjustment seat 7 of hollow and adjusting handle 8, stud 6 is arranged in adjustment seat 7, adjustment seat 7 is arranged on base 1, adjusting handle 8 to be arranged on stud 6 and to be threaded connection with stud 6, adjusting handle 8 is positioned at the top of adjustment seat 7 and contacts with the upper surface of adjustment seat 7, guide shaft 5 is provided with Connection Block 9, stud 6 top is rotatable to be arranged on Connection Block 9, Connection Block 9 can slide on guide shaft 5, also can guide shaft 5 be axle rotation, base 1 front portion is provided with slide 19, slide 19 is provided with the chute 20 parallel with guide shaft 5, adjustment seat 7 is slidably mounted in the chute 20 of slide 19.
Adjustment seat 7 sidewall is provided with the lock 10 of hollow, lock 10 is inner to be communicated with adjustment seat 7 inside, locking bar 11 is installed in lock 10, locking bar 11 the inner is provided with wedge shape snap close 12, lock 10 is stretched out in locking bar 11 outer end, and the outer end of locking bar 11 is provided with draw ring 16, and locking bar 11 is provided with back-moving spring, the sidewall of lock 11 is provided with the stopper slot 14 of L-type, and the guide vane end stop 15 that locking bar 11 outer wall is arranged is positioned at stopper slot 14.
Wedge shape snap close 12 upwards domatic, the inner of wedge shape snap close 12 and the screw-threaded engagement of stud 6, the side of stud 6 is provided with teeth groove 13, and teeth groove 13 arranges multiple along the length direction of stud 6, and teeth groove 13 can engage with wedge shape snap close 12.
Be provided with a bearing bore 17 bottom adjusting handle 8, be provided with plane bearing 18 in bearing bore 17, the upper surface of adjustment seat 7 contacts with the lower surface of plane bearing 18.
Motor 23 is arranged on holder 4, motor 23 by belt by power transmission to oil pumper, long-time use after, belt becomes slack, motor 23 is applied to the pressure increase of lifting platform 2 front portion, and the pressure of increase makes stud 6 rotate, and the distance between adjusting handle 8 and stud 6 top is reduced gradually.Because stud 6 is through in adjustment seat 7, stud 6 freely up and down can move in adjustment seat 7, and adjusting handle 8 freely drops on adjustment seat 7 upper surface, so make the top of stud 6 more and more near adjustment seat 7, thus lifting platform 2 front portion is declined, motor 23 is gradually away from oil pumper, and belt is strained gradually.
Because stud 6 rotates, lifting platform 2 front portion is declined, so stud 6 often turns around, the distance that lifting platform 2 only can decline between one or several screw threads, reduces and occurs the probability that belt tension is excessive.
Stud 6 arranges teeth groove 13, wedge shape snap close 12 upwards domatic, makes wedge shape snap close 12 can limit the motion of stud 6, stud 6 can only be declined.When stud 6 rotate to teeth groove 13 aim at wedge shape snap close 12 time, wedge shape snap close 12 loses the constraint of screw thread, if now belt tightening is more weak, stud 6 can accelerate rotate; If now belt tension is too large, larger belt tension can to pull-up stud 6, make stud 6 a little on move, the problem avoiding belt tension excessive occurs.
When lifting platform 2 front portion drop to minimum altitude also cannot make belt keep tensioning time, by draw ring 16, locking bar 11 is pulled outwardly, wedge shape snap close 12 front portion is withdrawn in lock 10 from the inside of adjustment seat 7, guide vane end stop 15 runs to the outer end of the stopper slot 14 of L-type, the sidewall of stopper slot 14 props up guide vane end stop 15, and wedge shape snap close 12 front portion is maintained in lock 10.Then manual turn adjusting handle 8, makes the distance between adjusting handle 8 and stud 6 increase, and rising in lifting platform 2 front portion, just belt can be totally released from motor 23 and oil pumper, carry out the replacing of belt.
After replacing completes, move locking bar 11 by draw ring 16, make wedge shape snap close 12 front portion reach in adjustment seat 7, with the screw-threaded engagement of stud 6, press down lifting platform 2 by the gravity of motor 23 self more anterior, allow motor mount automatically by tension on belt, the work changing belt just completes.
Claims (7)
1. one kind can the motor mount of automatic tensioning belt, it is characterized in that, comprise base (1) and lifting platform (2), the connecting axle (3) that lifting platform (2) is arranged by rear end is coupling on base (1), lifting platform (2) is provided with the holder (4) for fixed electrical machinery, lifting platform (2) front end is provided with the guide shaft (5) parallel with connecting axle (3), holder (4) two ends are slidably mounted on connecting axle (3) and guide shaft (5) respectively, between lifting platform (2) front end and base (1), automatic adjusting mechanism is installed, described automatic adjusting mechanism comprises stud (6), the adjustment seat (7) of hollow and adjusting handle (8), stud (6) is arranged in adjustment seat (7), adjustment seat (7) is arranged on base (1), adjusting handle (8) is arranged on stud (6) and goes up and be threaded connection with stud (6), adjusting handle (8) is positioned at the top of adjustment seat (7) and contacts with the upper surface of adjustment seat (7), guide shaft (5) is provided with Connection Block (9), stud (6) top is rotatable to be arranged on Connection Block (9), described adjustment seat (7) sidewall is provided with the lock (10) of hollow, lock (10) is inner to be communicated with adjustment seat (7) inside, locking bar (11) is installed in lock (10), locking bar (11) the inner is provided with wedge shape snap close (12), lock (10) is stretched out in locking bar (11) outer end, (11) are provided with back-moving spring to locking bar, wedge shape snap close (12) upwards domatic, the inner of wedge shape snap close (12) and the screw-threaded engagement of stud (6).
2. according to claim 1 can the motor mount of automatic tensioning belt, it is characterized in that, the side of stud (6) is provided with teeth groove (13), teeth groove (13) arranges multiple along the length direction of stud (6), and teeth groove (13) can engage with wedge shape snap close (12).
3. according to claim 1 can the motor mount of automatic tensioning belt, it is characterized in that, the sidewall of described lock (11) is provided with the stopper slot (14) of L-type, and the guide vane end stop (15) that locking bar (11) outer wall is arranged is positioned at stopper slot (14).
4. according to claim 1 can the motor mount of automatic tensioning belt, it is characterized in that, the outer end of locking bar (11) is provided with draw ring (16).
5. according to claim 1 can the motor mount of automatic tensioning belt, it is characterized in that, adjusting handle (8) bottom is provided with a bearing bore (17), be provided with plane bearing (18) in bearing bore (17), the upper surface of adjustment seat (7) contacts with the lower surface of plane bearing (18).
6. according to claim 1 can the motor mount of automatic tensioning belt, it is characterized in that, Connection Block (9) can in the upper slip of guide shaft (5), also can guide shaft (5) be axle rotation, base (1) front portion is provided with slide (19), slide (19) is provided with the chute (20) parallel with guide shaft (5), and adjustment seat (7) is slidably mounted in the chute (20) of slide (19).
7. according to claim 1 can the motor mount of automatic tensioning belt, it is characterized in that, holder (4) is provided with the stopper slot (21) for mounted motor and installing hole (22), installing hole (22) is provided with multiple along the length direction of holder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744528.5A CN103929008B (en) | 2013-12-30 | 2013-12-30 | Motor installation seat capable of automatically tensioning belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744528.5A CN103929008B (en) | 2013-12-30 | 2013-12-30 | Motor installation seat capable of automatically tensioning belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103929008A CN103929008A (en) | 2014-07-16 |
| CN103929008B true CN103929008B (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310744528.5A Active CN103929008B (en) | 2013-12-30 | 2013-12-30 | Motor installation seat capable of automatically tensioning belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103929008B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261396A (en) * | 2017-07-26 | 2017-10-20 | 北京小米移动软件有限公司 | Treadmill and its transmission system |
| CN112688464B (en) * | 2020-12-21 | 2022-04-01 | 桐乡三元电机科技有限公司 | Motor base with automatic straining device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2539522A (en) * | 1949-11-16 | 1951-01-30 | Merton A Pocock | Belt tension adjusting device for laundry machines |
| CN201994798U (en) * | 2011-04-09 | 2011-09-28 | 张家港市普天机械制造有限公司 | Motor mounting seat |
| CN202867738U (en) * | 2012-11-09 | 2013-04-10 | 四川省宜宾普什重机有限公司 | Belt tensioning device |
| CN203189637U (en) * | 2013-04-17 | 2013-09-11 | 安徽亿宏生物科技有限公司 | Belt tensioning and adjusting device |
| CN203632451U (en) * | 2013-12-30 | 2014-06-04 | 东营市天山石油机械配件有限公司 | Motor installation seat capable of automatically tensioning belt |
-
2013
- 2013-12-30 CN CN201310744528.5A patent/CN103929008B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2539522A (en) * | 1949-11-16 | 1951-01-30 | Merton A Pocock | Belt tension adjusting device for laundry machines |
| CN201994798U (en) * | 2011-04-09 | 2011-09-28 | 张家港市普天机械制造有限公司 | Motor mounting seat |
| CN202867738U (en) * | 2012-11-09 | 2013-04-10 | 四川省宜宾普什重机有限公司 | Belt tensioning device |
| CN203189637U (en) * | 2013-04-17 | 2013-09-11 | 安徽亿宏生物科技有限公司 | Belt tensioning and adjusting device |
| CN203632451U (en) * | 2013-12-30 | 2014-06-04 | 东营市天山石油机械配件有限公司 | Motor installation seat capable of automatically tensioning belt |
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| Publication number | Publication date |
|---|---|
| CN103929008A (en) | 2014-07-16 |
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