CN211332085U - Drawing device suitable for beam-pumping unit motor belt pulley is dismantled - Google Patents

Drawing device suitable for beam-pumping unit motor belt pulley is dismantled Download PDF

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Publication number
CN211332085U
CN211332085U CN201922363786.4U CN201922363786U CN211332085U CN 211332085 U CN211332085 U CN 211332085U CN 201922363786 U CN201922363786 U CN 201922363786U CN 211332085 U CN211332085 U CN 211332085U
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CN
China
Prior art keywords
pumping unit
screw rod
plate
drawing device
sliding plate
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Expired - Fee Related
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CN201922363786.4U
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Chinese (zh)
Inventor
侍孝军
李元慧
朱利兵
周军峰
贺斌
刘承慧
彭江涛
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Individual
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Individual
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Abstract

The utility model relates to a draw-off gear suitable for beam-pumping unit motor pulley is dismantled belongs to beam-pumping unit maintenance of equipment technical field. The drawing device suitable for disassembling the motor belt pulley of the oil pumping unit comprises a rack, an adjusting screw rod, a sliding plate, a loader, a drawing oil cylinder, a locking hoop and a supporting screw rod; a sliding plate is arranged on the frame in a sliding way through a sliding chute; an adjusting screw rod is fixedly arranged at the upper end of the sliding plate; a loader is fixedly arranged on the end face of the sliding plate; the middle part of one end of the loader is provided with a drawing oil cylinder; support screws are symmetrically clamped on the carriers on the two sides of the drawing oil cylinder; one end of the supporting screw rod is movably sleeved with a locking hoop. This drawing device, compact structure, design benefit, it can effectively solve the problem that the intensity of labour who uses the puller to have when dismantling motor pulley is big and the easy damage work piece, has satisfied the user demand that beam-pumping unit motor pulley safety, high-efficient dismantlement.

Description

Drawing device suitable for beam-pumping unit motor belt pulley is dismantled
Technical Field
The utility model relates to a draw-off gear suitable for beam-pumping unit motor pulley is dismantled belongs to beam-pumping unit maintenance of equipment technical field.
Background
The oil pumping machine is commonly called as a 'head knocking machine', and is a mechanical device applied to oil exploitation. The motor of the oil pumping unit transmits power through the belt pulley. The existing motor belt pulley is cast and molded by cast iron, and a plurality of belt ring grooves with trapezoidal sections are arranged on the circumferential surface at intervals. Since the motor pulley needs to operate in a field environment for a long time, it generally has characteristics of severe corrosion and difficulty in disassembly. At present, in the process of overhauling the motor and the belt pulley thereof, the belt pulley is usually disassembled from the motor by using a puller. The existing puller is a three-jaw structure as disclosed in the publication No. CN209466198U, when the puller works, the puller directly acts on the inner end face of the motor belt pulley through the pulling jaw, and because the pulling jaw has the characteristics of small stress area and serious corrosion and larger brittleness of the motor belt pulley, when the puller is used for disassembling the motor belt pulley, the problem that the motor belt pulley is damaged by 'pulling collapse' is easy to occur. In addition, in order to cooperate with the puller to work, the defect that the stress area of the puller is small is overcome, the motor belt pulley is knocked manually when being disassembled, so that the requirement for disassembling and using the motor belt pulley is met, the problem of high labor intensity is solved, and the construction requirement cannot be met. Therefore, a special drawing device designed for the motor belt pulley of the pumping unit is needed to be developed so as to solve the problems of high labor intensity and easy workpiece damage existing in the existing disassembling mode of the motor belt pulley of the pumping unit.
Disclosure of Invention
The utility model aims to provide a: the drawing device is compact in structure and ingenious in design, and solves the problems that the labor intensity is high and workpieces are easy to damage in the existing beam-pumping unit motor belt pulley dismounting mode.
The technical scheme of the utility model is that:
a drawing device suitable for disassembling a motor belt pulley of an oil pumping unit comprises a frame, an adjusting screw rod, a sliding plate, a loader, a drawing oil cylinder, a locking hoop and a supporting screw rod; the method is characterized in that: a sliding plate is arranged on the frame in a sliding way through a sliding chute; an adjusting screw rod is fixedly arranged at the upper end of the sliding plate; the adjusting screw rod extends to the upper end of the rack and is in threaded connection with a screw rod sleeve movably arranged on the rack; a loader is fixedly arranged on the end face of the sliding plate; the middle part of one end of the loader is provided with a drawing oil cylinder; support screws are symmetrically clamped on the carriers on the two sides of the drawing oil cylinder; two end heads of the supporting screw rod are respectively in threaded connection with a locking nut; one end of the supporting screw rod is movably sleeved with a locking hoop.
The frame consists of a base, a door-shaped frame and a supporting wheel; a plurality of supporting wheels are symmetrically arranged below the base; a door-shaped frame is welded at the position above the base and close to the rear side; the lower end of the door-shaped frame is connected with the base through symmetrically arranged tie bars; the inner side of the door-shaped frame is symmetrically provided with sliding chutes.
Guide rollers are symmetrically arranged on two sides of the sliding plate; the sliding plate is connected with the sliding groove in a rolling way through the guide roller.
The loader consists of a connecting plate, a loading vertical plate and a supporting plate; the rear end face of the bearing vertical plate is welded with a connecting plate; the connecting plate is fixedly connected with the sliding plate through a bolt; the two sides of the bearing vertical plate are symmetrically provided with bearing bayonets; the bearing bayonet is connected with the supporting screw in a clamping way; the middle part of the front end face of the bearing vertical plate is welded with a supporting plate.
The supporting plate is of a long plate type structure with a V-shaped section.
The locking hoop consists of an upper hoop body, a lower hoop body and a locking bolt; the upper anchor ear body and the lower anchor ear body are both in a semi-annular structure, and two ends of the semi-annular structure are respectively provided with a connecting lug; the connecting lug is provided with a threaded hole; the connecting lugs of the upper anchor ear body and the lower anchor ear body are mutually connected through locking bolts in threaded connection; the inner surfaces of the upper anchor ear body and the lower anchor ear body are respectively provided with a plurality of clamping ring teeth at intervals.
The clamping ring teeth are directly processed and formed in the upper anchor ear body and the lower anchor ear body.
The clamping ring teeth are of independent sectional structures, and each section of clamping ring teeth is fixedly installed on the inner side of the upper hoop body or the lower hoop body through an assembling bolt.
The utility model has the advantages that:
this draw-off gear suitable for beam-pumping unit motor pulley dismantles, compact structure, design benefit need not the manual work and strikes during operation, and the power of dismantling is transmitted to motor pulley through the locking staple bolt. The locking hoop has the characteristics of large stress area and balanced stress, so that the motor belt pulley cannot be damaged, the problems of high labor intensity and easiness in workpiece damage existing when the motor belt pulley is disassembled by using the puller can be effectively solved, and the use requirements of safe and efficient disassembly of the motor belt pulley of the oil pumping unit are met.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure in the direction B-B in FIG. 1;
FIG. 3 is a schematic structural view of the carrier of the present invention;
FIG. 4 is a schematic view of the structure in the direction A-A in FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 4 in the direction C-C;
fig. 6 is a schematic structural view of the direction a-a in fig. 1 when the locking hoop of the present invention is in an improved structure;
FIG. 7 is a schematic view of the structure of FIG. 6 in the direction D-D;
FIG. 8 is an enlarged view of the structure at E in FIG. 7;
fig. 9 is a schematic view of the snap ring teeth of the present invention in a sectional structure.
In the figure: 1. the device comprises a rack, 2, an adjusting screw rod, 3, a sliding plate, 4, a loader, 5, a drawing oil cylinder, 6, a locking hoop, 7, a supporting screw rod, 8, a sliding groove, 9, a screw rod sleeve, 10, a base, 11, a door-shaped frame, 12, a supporting wheel, 13, a lacing wire, 14, a guide roller, 15, a connecting plate, 16, a bearing vertical plate, 17, a supporting plate, 18, a bearing bayonet, 19, an upper hoop body, 20, a lower hoop body, 21, a locking bolt, 22, a connecting lug, 23, a clamping ring tooth, 24 and an assembling bolt.
Detailed Description
The drawing device suitable for disassembling the motor belt pulley of the oil pumping unit comprises a rack 1, an adjusting screw rod 2, a sliding plate 3, a loader 4, a drawing oil cylinder 5, a locking hoop 6 and a supporting screw rod 7 (see the attached figure 1 in the specification).
The frame 1 is composed of a base 10, a door-shaped frame 11 and a supporting wheel 12 (see the attached figures 1 and 2 in the specification); a plurality of supporting wheels 12 are symmetrically arranged below the base 10; the support wheels 12 are provided for the purpose of: so that the movement of the frame 1 is enhanced by the support wheels 12, thereby allowing a person to easily move the frame 1 during work.
A door-shaped frame 11 is welded at the position above the base 10 and close to the rear side; during operation, the main part carrier 4 and the drawing oil cylinder 5 of the drawing device are positioned at the front end of the door-shaped frame 11, so that the stability of the drawing device can be enhanced after the door-shaped frame 11 is arranged at the rear position of the base 10, and the problem that the gravity center of the drawing device is unstable is avoided.
The lower end of the door-shaped frame 11 is connected with the base 10 through symmetrically arranged tie bars 13; the purpose of setting up lacing wire 13 lies in: so as to strengthen the connection strength between the door-shaped frame 11 and the base 10, thereby avoiding the problem that the door-shaped frame 11 is broken due to insufficient connection strength.
The inner side of the door-shaped frame 11 is symmetrically provided with sliding chutes 8 (see the attached figure 2 in the specification). A sliding plate 3 is arranged in the door-shaped frame 11 in a sliding way through a sliding chute 8; guide rollers 14 are symmetrically arranged on two sides of the sliding plate 3; the sliding plate 3 is connected with the sliding groove 8 in a rolling way through a guide roller 14. Under the guidance of the slide groove 8 and the guide rollers 14, the slide plate 3 can move up and down along the slide groove 8, and the problem of "derailment" does not occur.
An adjusting screw rod 2 is fixedly arranged at the upper end of a sliding plate 3 on the frame 1; the adjusting screw rod 2 extends to the upper end of the frame 1 and is in threaded connection with a screw rod sleeve 9 movably arranged on the frame 1. A plurality of handles 25 are arranged on the circumferential surface of the screw rod sleeve 9; when in work, people can rotate the screw rod sleeve 9 through the handle 25; the screw rod sleeve 9 can drive the sliding plate 3 to move up and down through the adjusting screw rod 2 in the rotating process.
A carrier 4 is fixedly arranged on the end face of the sliding plate 3 (see the attached figure 1 in the specification); the carriage 4 is composed of a connecting plate 15, a carriage upright plate 16 and a supporting plate 17 (see the description and the attached figure 3).
The rear end face of the bearing vertical plate 16 is welded with a connecting plate 15; the connecting plate 15 is fixedly connected with the sliding plate 3 through bolts. The carrier 4 can be moved together by the connecting plate 15 when the sliding plate 3 moves.
A support plate 17 is welded in the middle of the front end face of the bearing vertical plate 16. The support plate 17 has a long plate-shaped structure with a V-shaped section.
The supporting plate 17 is provided with a drawing oil cylinder 5 (refer to the attached figures 1 and 2 in the specification) in a resting mode. Because drawing hydro-cylinder 5 shelves and places in backup pad 17, be "V" type back with backup pad 17 setting, backup pad 17 can carry on spacingly through inside inclined plane to drawing hydro-cylinder 5 to reach the emergence that prevents to draw hydro-cylinder 5 problem that drops.
The two sides of the bearing vertical plate 16 are symmetrically provided with bearing bayonets 18; the two sides of the bearing vertical plate 16 are clamped with the supporting screw rods 7 through bearing bayonets 18; the two ends of the supporting screw 7 are respectively connected with a locking nut in a threaded manner (see the attached figure 1 in the specification). The diameter of the supporting screw rod 7 is smaller than the opening width of the bearing bayonet 18; the outer diameter of the lock nut is larger than the opening width of the load-bearing bayonet 18. The support screw 7 can be smoothly clamped inside the bearing bayonet 18 and the installation position of the support screw is limited by the locking nut.
One end of the supporting screw 7 is movably sleeved with a locking hoop 6 (see the attached figure 1 of the specification). The locking hoop 6 consists of an upper hoop body 19, a lower hoop body 20 and a locking bolt 21; the upper anchor ear body 19 and the lower anchor ear body 20 are both in a semi-annular structure (refer to the attached figure 4 in the specification), and two ends of the semi-annular structure are respectively provided with a connecting lug 22; the connecting lug 22 is provided with a threaded hole; the connecting lugs 22 of the upper anchor ear 19 and the lower anchor ear 20 are connected with each other through the locking bolts 21 (see the attached figure 4 in the specification).
The inner surfaces of the upper anchor ear body 19 and the lower anchor ear body 20 are respectively provided with clamping ring teeth 23 at intervals. The snap ring teeth 23 are directly formed inside the upper and lower anchor ears 19 and 20 (see the description of figures 4 and 5). The shape of the structure of the snap ring teeth 23 is consistent with the structure of a belt ring groove on a belt pulley.
The purpose that so sets up locking staple bolt 6 is: so that the during operation, go up staple bolt body 19 and lower staple bolt body 20 can follow motor pulley's outside with its chucking to make joint ring tooth 23 be connected with the belt annular joint on the motor pulley, thereby make locking staple bolt 6 and motor pulley form integratively, and then convenient to use locking staple bolt 6 dismantles motor pulley.
In addition, the supporting screw 7 can pass through the connecting lugs 22 of the upper anchor ear 19 and the lower anchor ear 20; so during operation supporting screw 7 can drive motor pulley and remove together and then reached the purpose of dismantling motor pulley through locking staple bolt 6 under lock nut's cooperation.
Because when the internal surface of last staple bolt body 19 and lower staple bolt body 20 directly processes joint ring tooth 23, it is higher to the machining precision requirement, and then lead to its processing to come out back joint ring tooth 23 and appear probably not fine with motor pulley card and the problem of being connected, in order to solve this problem the utility model discloses further improve locking staple bolt 6.
After improvement, the clamping ring teeth 23 are designed to be of independent sectional structures, and each section of clamping ring teeth 23 is fixedly arranged on the inner side of the upper anchor ear 19 or the lower anchor ear 20 through a mounting bolt 24 (see the attached figures 6 and 7 in the specification). So joint ring gear 23 can carry out segmentation processing, can separately process with last staple bolt body 19 and lower staple bolt body 20, and then reached the purpose that reduces the processing degree of difficulty, solved and gone up staple bolt body 19 and lower staple bolt body 20 and joint ring gear 23 whole man-hour, processed the problem that the inaccuracy leads to its can not be fine and motor pulley card and be connected with joint ring gear 23 that takes place.
When the drawing device suitable for disassembling the motor belt pulley of the pumping unit is in a non-working state, the supporting screw 7, the locking hoop 6 and the drawing oil cylinder 5 are in a separated state from the loader 4, and the supporting screw 7, the locking hoop 6 and the drawing oil cylinder 5 need to be assembled on site during working.
When the drawing device suitable for disassembling the motor belt pulley of the oil pumping unit works, the rack 1 needs to be moved at first, so that the sliding plate 3 on the rack 1 and the motor belt pulley to be disassembled are in opposite positions. Then the drawing oil cylinder 5 is placed on the supporting plate 17; then the screw rod sleeve 9 is rotated through the handle 25, so that the screw rod sleeve 9 drives the sliding plate 3 to move through the adjusting screw rod 2. The sliding plate 3 drives the drawing oil cylinder 5 to synchronously move through the loader 4 in the moving process. When the drawing oil cylinder 5 corresponds to the center of the motor belt pulley to be disassembled, the screw rod sleeve 9 stops rotating.
The upper 19 and lower 20 anchor ears of the locking anchor ear 6 are then clamped from the outside of the motor pulley. Then, two groups of supporting screw rods 7 are symmetrically clamped on the bearing bayonets 18 at two sides of the bearing vertical plate 16, and the other ends of the supporting screw rods 7 are clamped between the lugs of the upper anchor ear body 19 and the lower anchor ear body 20 of the locking anchor ear 6. And then the locking nut is screwed down to enable the frame 1 to approach towards the motor belt pulley. When the drawing oil cylinder 5 on the frame 1 is abutted against the motor transmission shaft at the center of the motor belt pulley and the drawing device is stable, the locking nut is stopped to be screwed down.
After the above work is finished, the drawing oil cylinder 5 is started to enable the piston rod of the drawing oil cylinder to gradually extend out. In the process that a piston rod of the drawing oil cylinder 5 extends out, the rack 1 is pushed to move backwards relative to a motor of the oil pumping unit, and in the process that the rack 1 moves backwards, the motor belt pulley is driven to move backwards through the loader 4, the supporting screw 7 and the locking hoop 6, so that the purpose of detaching the motor belt pulley from the motor of the oil pumping unit can be achieved. When the motor pulley is detached from the motor, the drawing device can enter the next working cycle.
This draw-off gear suitable for beam-pumping unit motor pulley dismantles, compact structure, design benefit need not the manual work and strikes during operation, and the power of dismantling is transmitted to motor pulley through locking staple bolt 6. Because the locking hoop 6 has the characteristics of large stress area and balanced stress, the motor belt pulley cannot be damaged, the problems of high labor intensity and easiness in damaging workpieces existing when the motor belt pulley is disassembled by using the puller can be effectively solved, and the use requirements of safe and efficient disassembly of the motor belt pulley of the oil pumping unit are met.

Claims (8)

1. A drawing device suitable for disassembling a motor belt pulley of an oil pumping unit comprises a rack (1), an adjusting screw rod (2), a sliding plate (3), a loader (4), a drawing oil cylinder (5), a locking hoop (6) and a supporting screw rod (7); the method is characterized in that: a sliding plate (3) is arranged on the frame (1) in a sliding way through a sliding chute (8); an adjusting screw rod (2) is fixedly arranged at the upper end of the sliding plate (3); the adjusting screw rod (2) extends to the upper end of the rack (1) and is in threaded connection with a screw rod sleeve (9) movably arranged on the rack (1); a loader (4) is fixedly arranged on the end surface of the sliding plate (3); a drawing oil cylinder (5) is arranged in the middle of one end of the loader (4); support screws (7) are symmetrically clamped on the carriers (4) at the two sides of the drawing oil cylinder (5); two end heads of the supporting screw rod (7) are respectively in threaded connection with a locking nut; one end of the supporting screw rod (7) is movably sleeved with a locking hoop (6).
2. The drawing device suitable for disassembling the motor pulley of the oil pumping unit according to claim 1, wherein: the frame (1) is composed of a base (10), a door-shaped frame (11) and a supporting wheel (12); a plurality of supporting wheels (12) are symmetrically arranged below the base (10); a door-shaped frame (11) is welded at the position above the base (10) and close to the rear side; the lower end of the door-shaped frame (11) is connected with the base (10) through symmetrically arranged tie bars (13); the inner side of the door-shaped frame (11) is symmetrically provided with sliding chutes (8).
3. The drawing device suitable for disassembling the motor pulley of the oil pumping unit according to claim 2, characterized in that: guide rollers (14) are symmetrically arranged on two sides of the sliding plate (3); the sliding plate (3) is connected with the sliding groove (8) in a rolling way through a guide roller (14).
4. The drawing device suitable for disassembling the motor pulley of the pumping unit according to claim 3, wherein: the loader (4) consists of a connecting plate (15), a loading vertical plate (16) and a supporting plate (17); a connecting plate (15) is welded on the rear end face of the bearing vertical plate (16); the connecting plate (15) is fixedly connected with the sliding plate (3) through a bolt; bearing bayonets (18) are symmetrically arranged on two sides of the bearing vertical plate (16); the bearing bayonet (18) is connected with the supporting screw rod (7) in a clamping way; the middle part of the front end surface of the bearing vertical plate (16) is welded with a supporting plate (17).
5. The drawing device suitable for disassembling the motor pulley of the pumping unit according to claim 4, wherein: the supporting plate (17) is of a long plate type structure with a V-shaped section.
6. The drawing device suitable for disassembling the motor pulley of the oil pumping unit according to claim 1, wherein: the locking hoop (6) consists of an upper hoop body (19), a lower hoop body (20) and a locking bolt (21); the upper hoop body (19) and the lower hoop body (20) are both in a semi-annular structure, and two ends of the semi-annular structure are respectively provided with a connecting lug (22); the connecting lug (22) is provided with a threaded hole; the upper anchor ear body (19) and the connecting support lug (22) of the lower anchor ear body (20) are mutually connected through a locking bolt (21) in threaded connection; the inner surfaces of the upper anchor ear body (19) and the lower anchor ear body (20) are respectively provided with a plurality of clamping ring teeth (23) at intervals.
7. The drawing device suitable for disassembling the motor pulley of the pumping unit according to claim 6, wherein: the clamping ring teeth (23) are directly processed and formed in the upper hoop body (19) and the lower hoop body (20).
8. The drawing device suitable for disassembling the motor pulley of the pumping unit according to claim 6, wherein: the clamping ring teeth (23) are of independent sectional structures, and each section of clamping ring teeth (23) is fixedly arranged on the inner side of the upper hoop body (19) or the lower hoop body (20) through an assembling bolt (24).
CN201922363786.4U 2019-12-25 2019-12-25 Drawing device suitable for beam-pumping unit motor belt pulley is dismantled Expired - Fee Related CN211332085U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922363786.4U CN211332085U (en) 2019-12-25 2019-12-25 Drawing device suitable for beam-pumping unit motor belt pulley is dismantled

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922363786.4U CN211332085U (en) 2019-12-25 2019-12-25 Drawing device suitable for beam-pumping unit motor belt pulley is dismantled

Publications (1)

Publication Number Publication Date
CN211332085U true CN211332085U (en) 2020-08-25

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ID=72104693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922363786.4U Expired - Fee Related CN211332085U (en) 2019-12-25 2019-12-25 Drawing device suitable for beam-pumping unit motor belt pulley is dismantled

Country Status (1)

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CN (1) CN211332085U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113787354A (en) * 2021-08-24 2021-12-14 安徽特威自动化设备有限公司 Drilling equipment convenient to multi-angle drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113787354A (en) * 2021-08-24 2021-12-14 安徽特威自动化设备有限公司 Drilling equipment convenient to multi-angle drilling

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200825

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CF01 Termination of patent right due to non-payment of annual fee