CN221141013U - Pumping unit belt protective cover lifting device - Google Patents
Pumping unit belt protective cover lifting device Download PDFInfo
- Publication number
- CN221141013U CN221141013U CN202321548206.9U CN202321548206U CN221141013U CN 221141013 U CN221141013 U CN 221141013U CN 202321548206 U CN202321548206 U CN 202321548206U CN 221141013 U CN221141013 U CN 221141013U
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- pumping unit
- lifting device
- protective cover
- bracket
- support
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- 238000005086 pumping Methods 0.000 title claims abstract description 94
- 230000001681 protective effect Effects 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 10
- 230000009194 climbing Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a lifting device for a belt protective cover of an oil pumping unit, and belongs to the field of oil pumping units. The lifting device of the belt protective cover of the oil pumping unit comprises a support used for being installed on the oil pumping unit, a push rod matched with the support in a guiding way and used for lifting the belt protective cover is arranged on the support, a lever is hinged to the support, and one end of the lever is in transmission connection with the bottom end of the push rod. The lifting device of the pumping unit belt protective cover can be operated on the ground to lift the pumping unit belt protective cover, so that the safety of belt replacement operation is improved.
Description
Technical Field
The utility model belongs to the field of oil pumping units, and particularly relates to a lifting device for a belt protective cover of an oil pumping unit.
Background
The belt protective cover is arranged on the oil pumping unit, so that the belt can be protected on one hand, the normal work of the belt can be prevented from being influenced by wind, rain or other sundries, and on the other hand, the on-site personnel can be prevented from winding clothes into the belt to cause personal injury accidents.
The prior Chinese patent utility model with the authorized bulletin number of CN201672237U and the authorized bulletin day of 2010-12-15 discloses a belt protective cover of an oil pumping unit, which comprises a framework and an outer cover, wherein the outer cover consists of an upper outer cover, a middle outer cover and a lower outer cover, the upper outer cover and the lower outer cover are of arc structures, and the upper outer cover and the lower outer cover are hinged with the middle outer cover through shafts.
According to the technical scheme, when the belt of the oil pumping unit needs to be maintained or replaced, operators are required to wait for the belt to be maintained or replaced, and the upper outer cover is lifted and turned over, so that the belt is maintained or replaced conveniently. But the belt protection casing is made by the metal steel sheet, and volume, weight are great, and the operating space of the work platform of beam-pumping unit reducing gear box is narrow and small simultaneously, does not have suitable position and hangs the safety belt, therefore the risk is great.
Disclosure of utility model
The utility model aims to provide a pumping unit belt protective cover lifting device, which aims to solve the technical problem that the safety of the pumping unit belt protective cover in the prior art is poor due to the fact that the pumping unit belt protective cover is lifted by means of manual climbing.
In order to achieve the above purpose, the technical scheme of the pumping unit belt protective cover lifting device provided by the utility model is as follows:
The utility model provides a beam-pumping unit belt protection casing lifting device, is including being used for installing the support on the beam-pumping unit, be equipped with on the support rather than direction complex be used for lifting the ejector pin of belt protection casing, the articulated lever that is provided with on the support, the one end of lever is connected with the bottom transmission of ejector pin.
The beneficial effects are that: when the belt protection cover is used, the top of the ejector rod is abutted to the belt protection cover of the oil pumping unit, then an operator downwards presses the lever, and one end, connected with the ejector rod, of the lever moves upwards, so that the ejector rod ascends, and finally the belt protection cover of the oil pumping unit is lifted, so that the operator can maintain or replace the belt conveniently. According to the technical scheme, an operator can finish lifting operation of the pumping unit belt protective cover on the ground, and the problem of poor safety caused by climbing operation of the operator can be effectively solved.
As a further improvement, a locking mechanism for fixing the ejector rod is arranged between the bracket and the ejector rod.
The beneficial effects are that: after the ejector rod reaches a proper height, the locking mechanism can be used for fixing the ejector rod and the bracket, so that the ejector rod can be kept at a fixed height. The operating personnel can not need to apply pressure to the lever all the time in the process of maintaining or replacing the belt, so that the operating personnel can operate conveniently and the labor is saved.
As a further improvement, the locking mechanism comprises at least one jack arranged on the ejector rod, a stop pin is inserted in the jack, and a matching part which is matched with the stop pin in a blocking way is arranged on the bracket.
The beneficial effects are that: when the ejector rod needs to be fixed, an operator inserts the stop pin into the jack, the stop pin can sink under the gravity action of the ejector rod and is propped against the matching part, the ejector rod is prevented from falling, and the ejector rod is kept at a fixed height. The technical scheme has simple structure and convenient operation.
As a further improvement, the ejector rod is provided with a sliding column protruding along the radial direction of the ejector rod, a long hole is formed in the lever, and the sliding column is positioned in the long hole and is in sliding fit with the long hole.
The beneficial effects are that: when an operator presses one end of the lever far away from the sliding column, one end of the lever matched with the sliding column can rise, the sliding column can be lifted and lifted by the long hole in the process, and the sliding column can slide relative to the inner wall of the long hole.
As a further improvement, the top of the ejector rod is provided with a clamping groove with an upward opening, and the clamping groove is used for being matched with a belt protective cover of the pumping unit.
The beneficial effects are that: the end part of the pumping unit belt protective cover can be clamped in the using process, so that the pumping unit belt protective cover and the ejector rod are kept relatively stable.
As a further improvement, the bracket is provided with a mounting seat for fixing the bracket to the beam-pumping unit base I-steel.
The beneficial effects are that: the fixed support is installed by utilizing the structure of the pumping unit, so that the space of the pumping unit can be effectively utilized.
As a further improvement, the mounting seat comprises a connecting plate and a locating plate, wherein the connecting plate is positioned at the bottom of the bracket and is fixed with the bracket, the locating plate is positioned below the connecting plate, and the locating plate is connected with the connecting plate through at least one pair of bolts and nuts.
The beneficial effects are that: after the bolts and the nuts are screwed, the positioning plates can be close to the connecting plate, so that the positioning plates and the connecting plate clamp the upper wing plates of the beam-pumping unit base I-steel, and the mounting seat and the beam-pumping unit base I-steel are fixed.
As a further improvement, the bracket is provided with a limiting seat for fixedly connecting the bracket with a pedal of a reduction gearbox of the pumping unit and used for limiting the horizontal movement of the bracket.
The beneficial effects are that: the technical scheme makes full use of the existing structure of the pumping unit, so that the lifting device of the belt protective cover of the pumping unit is stably installed.
As a further improvement, the limit seat is provided with a mounting groove for being sleeved on the pumping unit reduction gearbox pedal, the side wall of the limit seat is penetrated and provided with a jacking bolt in threaded fit with the limit seat, and the end part of the jacking bolt is abutted against the pumping unit reduction gearbox pedal.
The beneficial effects are that: after tightening the jack bolt, can make this spacing seat and beam-pumping unit reducing gear box footboard fixed connection, simple structure, convenient operation can place this beam-pumping unit belt protection casing lifting device horizontal migration effectively.
As a further improvement, the support comprises a vertical rod and a cross rod which are fixed with each other and vertical, an inclined strut is fixedly connected between the vertical rod and the cross rod, a sleeve which is in sliding fit with the ejector rod is fixed at one end of the cross rod, which is far away from the vertical rod, and a matching part which is in blocking fit with the stop pin is formed at the top of the sleeve.
The beneficial effects are that: the technical scheme can enable the support to have higher strength, and simultaneously can reduce the weight of the support, so that the support is convenient for operators to carry.
Drawings
FIG. 1 is a schematic overall structure of an embodiment 1 of a pumping unit belt guard lifting device according to the present utility model;
Fig. 2 is a schematic structural diagram of a limiting seat of an embodiment 1 of a lifting device of a belt protective cover of an oil pumping unit in the utility model;
fig. 3 is a schematic structural diagram of a mounting seat of an embodiment 1 of a belt guard lifting device of an oil pumping unit according to the present utility model.
Reference numerals illustrate:
1. A vertical rod; 2. a cross bar; 3. diagonal bracing; 4. a sleeve; 5. a push rod; 6. a clamping groove; 7. a lever; 8. a long hole; 9. a spool; 10. a jack; 11. a stop pin; 12. a connecting plate; 13. a positioning plate; 14. a limit seat; 15. and (5) pushing the bolt.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The present utility model is described in further detail below with reference to examples.
The specific embodiment 1 of the pumping unit belt protective cover lifting device provided by the utility model comprises the following components:
referring to fig. 1, a lifting device for a belt protective cover of an oil pumping unit comprises a bracket, a push rod 5 and a lever 7.
The support includes pole setting 1 and horizontal pole 2 that mutually perpendicular set up, and horizontal pole 2 welded fastening is at the top of pole setting 1, is provided with bracing 3 through welded fastening between the one end that pole setting 1 was kept away from to horizontal pole 2 and pole setting 1 for strengthen the bulk strength of support.
The horizontal pole 2 is kept away from the fixed sleeve 4 that is provided with the axis vertical of one end of pole setting 1, and ejector pin 5 wears to locate in sleeve 4 and with sleeve 4 sliding fit, ejector pin 5 receives sleeve 4's guiding action and can only reciprocate. The top of ejector pin 5 is fixed and is provided with draw-in groove 6 of U type structure, and the opening of draw-in groove 6 is up for the edge of card steady belt protection casing. The middle part of the lever 7 is hinged with the upright 1 of the bracket by a bolt, and the bottom of the ejector rod 5 is in transmission connection with one end of the lever 7. Specifically, a long hole 8 is formed in one end of the lever 7, a sliding column 9 is arranged at the bottom end of the ejector rod 5, the sliding column 9 is perpendicular to the ejector rod 7 and fixedly connected with the ejector rod 7 through threads, and the sliding column 9 penetrates through the long hole 8 and is in sliding fit with the long hole 8. For more effort saving, the distance from the position where the lever 7 is hinged to the bracket to the free end of the lever 7 is greater than the distance from the position where the lever 7 is hinged to the bracket to the end where the lever 7 is connected to the ejector rod 5.
Four jacks 10 are formed in the ejector rod 5, the four jacks 10 are uniformly distributed along the length direction of the ejector rod 5, and a stop pin 11 is inserted into one jack 10. The stop pin 11 can be abutted against the top of the sleeve 4, so that the ejector rod 5 cannot fall down, and the fixed height is maintained. The top of the sleeve 4 constitutes a fitting portion for a stop fit with the stop pin 11.
The bracket is provided with a mounting seat and a limiting seat and is used for fixedly mounting the bracket on the pumping unit.
Referring to fig. 3, the mounting seat is located at the bottom of the upright 1 and comprises a connecting plate 12 welded and fixed with the upright 1 and a positioning plate 13 located below the connecting plate 12, a reinforcing rib is welded and fixed between the connecting plate 12 and the upright 1, and the connecting plate 12 is connected with the positioning plate 13 through two pairs of bolts and nuts. When the oil pumping unit is used, the connecting plate 12 is arranged on the upper side of the upper wing plate of the oil pumping unit base I-steel, the positioning plate 13 is attached to the lower side of the upper wing plate of the oil pumping unit base I-steel, and after the bolt nut is screwed, the mounting seat can be fixedly mounted on the upper wing plate of the oil pumping unit base I-steel.
Referring to fig. 2, the limiting seat 14 is welded and fixed in the middle of the upright 1, the limiting seat 14 is of a C-shaped structure with a downward opening, and a space in the middle of the limiting seat 14 forms a mounting groove for sleeving the limiting seat onto the pedal of the reduction gearbox. Two jacking bolts 15 are arranged at the bottom of the limiting seat 14, and the two jacking bolts 15 penetrate through the wall of the limiting seat 14 and are in threaded fit with the limiting seat 14. When the oil pumping unit gearbox pedal is used, the limiting seat 14 is sleeved on the oil pumping unit gearbox pedal and the jacking bolts 15 are screwed down, so that the limiting seat 14 is fixedly connected with the oil pumping unit gearbox pedal.
The mounting seat and the limit seat 14 have different functions, wherein the mounting seat is responsible for fixing the bracket to the I-steel of the pumping unit base so as to provide support for the bracket; the limiting seat 14 depends on the pedal of the reduction gearbox of the pumping unit, so that the bracket can be limited in the horizontal direction, and the bracket is prevented from being laterally deviated. The mounting seat and the limiting seat 14 utilize the existing structure on the pumping unit to fix the pumping unit, so that the pumping unit belt protective cover lifting device has high structural stability and more reasonable space utilization.
When the oil pumping machine is used, the support is fixedly arranged on the oil pumping machine according to the mode, the clamping groove 6 on the ejector rod 5 is aligned with the edge of the oil pumping machine belt protective cover, an operator presses the free end of the lever 7, one end, connected with the ejector rod 5, of the lever 7 moves upwards, the sliding column 9 abuts against the wall on the lower side of the long hole 8, the sliding column 9 is supported by the wall of the long hole 8 to move upwards and slides along the wall of the long hole 8, and finally the ejector rod 5 is lifted, so that the oil pumping machine belt protective cover is lifted. After the pumping unit belt protective cover is lifted to a proper height, the stop pin 11 is inserted into the corresponding jack, and at the moment, an operator releases the lever 7, so that the stop pin 11 can be abutted to the upper end of the sleeve 4, and the ejector rod 5 is prevented from falling, so that the ejector rod 5 is kept at a fixed height.
After the operation of maintenance or belt replacement is completed, an operator pulls out the stop pin 11 to enable the pumping unit belt protective cover to fall down and restore to the original position, then the operator can detach the pumping unit belt protective cover lifting device from the pumping unit, and the support, the ejector rod 5 and the lever 7 in the pumping unit belt protective cover lifting device can be mutually separated so as to be convenient to store.
By utilizing the pumping unit belt protective cover lifting device, operators can finish lifting operation of the pumping unit belt protective cover on the ground without climbing, and the safety of the operation is effectively improved. The belt shield lifting device of the oil pumping unit lifts the belt shield by utilizing the lever principle, and is simple to operate and more labor-saving.
The specific embodiment 2 of the pumping unit belt protective cover lifting device provided by the utility model is mainly different from the embodiment 1 in that: in this embodiment, the locking mechanism includes the screw hole of running through and seting up on the sleeve lateral wall, and threaded hole threaded connection has the locking bolt, and the tip of locking bolt stretches into in the sleeve and supports tightly with the ejector pin to make the ejector pin fixed in the sleeve.
The specific embodiment 3 of the pumping unit belt protective cover lifting device provided by the utility model is mainly different from the embodiment 1 in that: in the embodiment, a connecting rod is arranged between the bottom end of the ejector rod and one end of the lever, two ends of the connecting rod are respectively hinged with the ejector rod and the lever, and the ejector rod can play a role in transmission to convert the arc-shaped movement of the end part of the lever into movement in the vertical direction of the ejector rod.
The specific embodiment 4 of the pumping unit belt protective cover lifting device provided by the utility model is mainly different from the embodiment 1 in that: in this embodiment, the mount pad is C type structure, runs through on the lower lateral wall of mount pad and is provided with rather than screw-thread fit's bolt, after tightening this bolt, the tip of bolt will stretch into in the mount pad and support tight beam-pumping unit base I-steel to make mount pad and beam-pumping unit base I-steel fixed connection.
The specific embodiment 5 of the pumping unit belt protective cover lifting device provided by the utility model is mainly different from the embodiment 1 in that: in this embodiment, the limiting seat has a square structure.
The specific embodiment 6 of the pumping unit belt protective cover lifting device provided by the utility model is mainly different from the embodiment 1 in that: in this embodiment, the bracket is a rectangular frame structure.
The specific embodiment 7 of the pumping unit belt protective cover lifting device provided by the utility model is mainly different from the embodiment 1 in that: in the embodiment, the upper side of the I-steel of the oil pumping unit base is fixedly welded with the plug pipe, the pipe orifice of the plug pipe is arranged vertically upwards, and the lower end of the vertical rod of the bracket is directly inserted into the plug pipe when the oil pumping unit is used, so that the bracket can be installed.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The lifting device for the belt protection cover of the oil pumping unit is characterized by comprising a support used for being installed on the oil pumping unit, wherein a push rod matched with the support in a guiding way and used for lifting the belt protection cover is arranged on the support, a lever is hinged to the support, and one end of the lever is in transmission connection with the bottom end of the push rod.
2. The pumping unit belt guard lifting device of claim 1, wherein a locking mechanism for fixing the ejector rod is arranged between the support and the ejector rod.
3. The pumping unit belt protective cover lifting device according to claim 2, wherein the locking mechanism comprises at least one jack arranged on the ejector rod, a stop pin is inserted into the jack, and a matching part matched with the stop pin in a blocking way is arranged on the support.
4. A pumping unit belt guard lifting device as claimed in any one of claims 1 to 3 wherein the ejector rod is provided with a slide post projecting radially therefrom, the lever being formed with a slot, the slide post being located in the slot and being in sliding engagement with the slot.
5. A pumping unit belt guard lifting device as claimed in any one of claims 1 to 3 wherein the top of the ram is provided with an upwardly open catch for engagement with a pumping unit belt guard.
6. The pumping unit belt guard lifting device of claim 1, wherein the bracket is provided with a mounting seat for fixing the bracket to the beam-pumping unit base.
7. The pumping unit belt guard lifting device of claim 6, wherein the mounting base comprises a connecting plate and a locating plate, wherein the connecting plate is located at the bottom of the bracket and fixed with the bracket, the locating plate is located below the connecting plate, and the locating plate is connected with the connecting plate through at least one pair of bolts and nuts.
8. The pumping unit belt protective cover lifting device according to claim 6, wherein a limiting seat for fixedly connecting the bracket with a pumping unit reduction gearbox pedal is arranged on the bracket and used for limiting the horizontal movement of the bracket.
9. The lifting device of the pumping unit belt protective cover according to claim 8, wherein the limiting seat is provided with a mounting groove for being sleeved on a pumping unit reduction gearbox pedal, the side wall of the limiting seat is penetrated and provided with a jacking bolt in threaded fit with the limiting seat, and the end part of the jacking bolt is abutted against the pumping unit reduction gearbox pedal.
10. The pumping unit belt protective cover lifting device according to claim 3, wherein the support comprises a vertical rod and a cross rod which are fixed with each other and vertical, an inclined strut is fixedly connected between the vertical rod and the cross rod, a sleeve which is in sliding fit with the ejector rod is fixed at one end of the cross rod, which is far away from the vertical rod, and a fitting part which is in blocking fit with the stop pin is formed at the top of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321548206.9U CN221141013U (en) | 2023-06-16 | 2023-06-16 | Pumping unit belt protective cover lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321548206.9U CN221141013U (en) | 2023-06-16 | 2023-06-16 | Pumping unit belt protective cover lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221141013U true CN221141013U (en) | 2024-06-14 |
Family
ID=91385817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321548206.9U Active CN221141013U (en) | 2023-06-16 | 2023-06-16 | Pumping unit belt protective cover lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221141013U (en) |
-
2023
- 2023-06-16 CN CN202321548206.9U patent/CN221141013U/en active Active
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