CN215257491U

CN215257491U - Brake device of oil pumping unit

Info

Publication number: CN215257491U
Application number: CN202121060370.6U
Authority: CN
Inventors: 马欣; 栾学玉; 安居坤; 李志农; 王建鲁; 郭利伟
Original assignee: Shandong Sitong Petroleum Technology Development Co ltd
Current assignee: Shandong Sitong Petroleum Technology Development Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-21
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a brake device of a pumping unit, which comprises a bracket, a power cylinder, a horizontal pull rod, a vertical pull rod and a brake disc, wherein the horizontal pull rod is connected with the power cylinder, the top end of the vertical pull rod is connected with a brake stopping rod, and the horizontal pull rod is connected with the vertical pull rod through a hinged seat; the horizontal pull rod and the vertical pull rod are both provided with a telescopic device, the telescopic device comprises a shell, one end of the shell is provided with an opening, and the other end of the shell is provided with a first bearing; a driving sleeve is fixedly arranged on the inner wall of the shell, a driving rod is arranged in the driving sleeve, one end of the driving rod penetrates through the opening and then is fixedly connected with a second bearing, and connecting rod clamping pieces are arranged on the first bearing and the second bearing; a motor is arranged on the shell, and a gear matched with the driving rod is fixedly connected to the motor; according to the scheme, the telescopic device is arranged between the pull rods, so that the extension and the shortening of the pull rods are realized, and the mounting distances of pumping units of different models are adapted; the inclination angle of the teeth of the brake disc is improved, and the risk that the brake rod is separated when the swing amplitude is large is reduced.

Description

Brake device of oil pumping unit

Technical Field

The utility model relates to a beam-pumping unit brake technical field, concretely relates to beam-pumping unit brake equipment.

Background

The beam-pumping unit is the pumping unit which is used most in various domestic oil fields at present, a brake device is arranged on a high-speed shaft of a speed reducer of the pumping unit, the use cost of the brake device of the pumping unit is high due to the fact that the pumping units of various oil fields are used in various types at present, and the pumping units of various brands and models need to be provided with pull rods with different sizes independently to meet the installation requirement of the brake device of the pumping unit, and in the use process, the assembly and disassembly of connecting rods need to be operated manually by operators, time and labor are wasted, certain potential safety hazards are generated, and the labor cost and the time cost are greatly increased; in addition, in the prior art, the teeth of the brake disc of the brake device are straight teeth, and when the swing amplitude of the brake rod is large in the braking process, the brake rod is separated, so that brake failure is caused, and the personal safety of workers can be seriously injured. Therefore, a pumping unit brake device which can meet the requirements of pumping units of different models and has a better brake stopping effect is urgently needed to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the pumping unit brake devices of different models cannot be normally used due to the fact that the pumping unit pull rod cannot stretch out and draw back in the prior art, and the like, and provides the pumping unit brake device, the stretching and the shortening of the pull rod can be realized by arranging the stretching device between the pull rods, and the device is suitable for the installation distances of pumping units of different models; and the inclination angle of the teeth of the brake disc is improved, and the risk of separation of the brake rod when the swing amplitude is large is reduced.

The technical scheme of the utility model is that:

a brake device of a pumping unit comprises a support, a power cylinder, a horizontal pull rod, a vertical pull rod and a brake disc, and is characterized in that the horizontal pull rod is connected with the power cylinder, the top end of the vertical pull rod is connected with a brake rod for braking the brake disc, and the horizontal pull rod is in transmission connection with the vertical pull rod through a hinge seat; the telescopic device comprises a shell, one end of the shell is provided with an opening, the other end of the shell is fixedly provided with a first bearing, a driving sleeve is fixedly arranged on the inner wall of one side, close to the first bearing, of the inside of the shell, a driving rod is arranged in the driving sleeve, one end of the driving rod penetrates through the opening and then is fixedly connected with a second bearing, and connecting rod clamping pieces are arranged on the first bearing and the second bearing; the shell is provided with a motor at a position close to the opening, and the motor is fixedly connected with a gear matched with the driving rod.

Further, the horizontal pull rod comprises a first horizontal connecting rod and a second horizontal connecting rod, and the first horizontal connecting rod and the second horizontal connecting rod are connected through the telescopic device; the vertical pull rod comprises a first vertical connecting rod and a second vertical connecting rod, and the first vertical connecting rod and the second vertical connecting rod are connected through the telescopic device.

Furthermore, the connecting rod clamping piece includes the mounting panel, the mounting panel is kept away from two splint are installed to telescoping device's one side symmetry, still be provided with on the mounting panel and be used for adjusting two adjust knob of splint interval.

Furthermore, a control panel is arranged outside the shell and connected with the motor; two symmetrically arranged supporting blocks are fixedly connected to the inner side wall of the shell, and the supporting blocks are tightly attached to the surface of the driving sleeve.

Furthermore, through holes are formed in two ends of the power cylinder, a screw cap is fixedly connected to the inner wall of one side, far away from the horizontal pull rod, of the power cylinder, a lead screw is installed in the screw cap, two ends of the lead screw penetrate through the through holes, one end of the lead screw is connected with the horizontal pull rod, and a handle is installed at the other end of the lead screw.

Furthermore, an oil injection nozzle is arranged on the top end face of the power cylinder and is positioned above one end, far away from the handle, of the screw cap; and the bottom end face of the power cylinder is also provided with an oil discharge nozzle.

Furthermore, first teeth are uniformly arranged on the brake disc, the first teeth are obliquely arranged, and the inclination angle of the first teeth is 45 degrees.

Furthermore, the brake rod is positioned below the brake disc, second teeth corresponding to the first teeth are fixedly arranged on the brake rod, and the first teeth and the second teeth are meshed with each other; one end of the brake stopping rod is connected with the vertical pull rod, the other end of the brake stopping rod is installed on the oil pumping unit through a positioning shaft, and a buffer spring is arranged between the positioning shaft and the brake stopping rod.

Furthermore, articulated seat has included short rocking arm and long rocking arm, the transmission is connected through the rotation axis with long rocking arm to short rocking arm, be connected with horizontal pull rod installation head on the short rocking arm, be connected with vertical pull rod installation head on the long rocking arm.

Furthermore, a locking device is arranged on one side of the bracket close to the handle.

The utility model has the advantages that:

(1) the utility model provides a pair of beam-pumping unit brake equipment through setting up the pull rod and adjusting the telescoping device, adjusts the length of pull rod and adapts to the installation distance of different model beam-pumping units to control the flexible length of telescoping device through control panel, avoid artifical manually operation, ensured personal safety.

(2) The utility model discloses an inclination of improvement brake disc tooth has reduced the brake disc and has taken place the risk that breaks away from when the stopping pole amplitude of oscillation is great.

(3) The utility model discloses an add handle locking device, prevent that staff and non-staff from closing or opening brake equipment because of the maloperation when the beam-pumping unit moves.

Drawings

Fig. 1 is a schematic view of the overall structure of the brake device of the oil pumping unit provided by the utility model;

fig. 2 is a schematic structural view of the telescopic device provided by the present invention;

fig. 3 is a schematic structural view of the power cylinder provided by the present invention;

fig. 4 is a schematic structural view of a brake disc provided by the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1;

fig. 6 is a schematic view of the hinge base structure provided by the present invention;

in the figure, 1, a bracket; 101. rotating the fixed block; 102. a locking device; 2. a power cylinder; 201. a handle; 202. a cylinder wall; 203. a screw cap; 204. a lead screw; 205. an oil injection nozzle; 206. an oil discharge nozzle; 3. a horizontal pull rod; 301. a first horizontal link; 302. a second horizontal link; 4. a vertical pull rod; 401. a first vertical link; 402. a second vertical link; 5. a telescoping device; 501. a housing; 502. a motor; 503. a gear; 504. a drive rod; 505. a drive sleeve; 506. a first bearing; 507. a second bearing; 508. a support block; 509. a control panel; 6. a link clamping member; 601. mounting a plate; 602. a splint; 603. adjusting a knob; 7. a hinged seat; 701. a short rocker arm; 702. a long rocker arm; 703. a rotating shaft; 704. a horizontal tie bar mounting head; 705. a vertical tie rod mounting head; 706. a connecting pin; 8. a brake disc; 801. a first tooth; 9. a brake lever; 901. a second tooth; 902. positioning the shaft; 903. a buffer spring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention to be solved clearer, the present invention will be further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

It is to be understood that the terms "horizontal, vertical, top, left side, right side, left end, right end," etc. are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first, second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first or second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1, the utility model relates to a brake device of a pumping unit, which comprises a bracket 1, a power cylinder 2, a horizontal pull rod 3, a vertical pull rod 4 and a brake disc 8; the power cylinder 2 is arranged at the top end of the bracket 1, the power cylinder 2 is connected with the horizontal pull rod 3, and the horizontal pull rod 3 moves under the pushing action of the power cylinder 2; the top end of the vertical pull rod 4 is connected with a brake rod 9 which is used for matching with a brake disc 8 and braking the pumping unit; the horizontal pull rod 3 and the vertical pull rod 4 are connected and driven through a hinge base 7, and the movement of the horizontal pull rod 3 in the horizontal direction is converted into the movement of the vertical pull rod 4 in the vertical direction through the hinge base 7, so that a brake rod 9 is driven; in addition, telescopic devices 5 are mounted on the horizontal pull rod 3 and the vertical pull rod 4, and are used for adjusting the lengths of the horizontal pull rod 3 and the vertical pull rod 4.

As shown in fig. 2, in the present invention, the telescopic device 5 includes a housing 501, an opening is provided on the right side of the housing 501, a first bearing 506 is fixedly installed on the outer wall of the left side of the housing 501, and a connecting rod clamping member 6 is fixedly connected to the first bearing 506; a horizontally arranged driving sleeve 505 is fixedly connected to the inner wall of one side of the inner part of the shell 501 close to the first bearing 506, the inner wall of the driving sleeve 505 is provided with internal threads, a driving rod 504 is installed in the driving sleeve 505, and the outer wall of the driving rod 504 is provided with external threads matched with the internal threads of the driving sleeve 505; the left end of the driving rod 504 is installed in the driving sleeve 505, the right end of the driving rod passes through the opening on the shell 501 and then is fixedly connected with a second bearing 507, and a connecting rod clamping piece 6 is also fixedly connected to the second bearing 507; further, a motor 502 is fixedly mounted on the housing 501, the motor 502 is a bidirectional asynchronous motor, and the motor 502 is arranged at a position close to the right opening of the housing 501; a gear 503 is fixed to an axial end of the motor 502, in a specific embodiment, the gear 503 is a helical gear, the gear 503 is engaged with an external thread on the driving rod 504, when the motor 502 operates, the motor 502 drives the gear 503 to rotate, and further drives the driving rod 504 to rotate, when the driving rod 504 rotates, the driving rod 504 rotates relative to the driving sleeve 505, and at this time, the driving rod 504 extends outward or retracts inward.

Preferably, as shown in fig. 1, in a specific embodiment, the horizontal pull rod 3 includes a first horizontal link 301 and a second horizontal link 302, the first horizontal link 301 and the second horizontal link 302 are connected by a telescopic device 5, and the distance between the first horizontal link 301 and the second horizontal link 302 is adjusted by the telescopic device 5, so as to adjust the overall length of the horizontal pull rod; similarly, the vertical pull rod 4 comprises a first vertical connecting rod 401 and a second vertical connecting rod 402, the first vertical connecting rod 401 and the second vertical connecting rod 402 are connected through a telescopic device 5, the distance between the first vertical connecting rod 401 and the second vertical connecting rod 402 is adjusted through the telescopic device 5, and then the whole length of the vertical pull rod 4 is adjusted.

It should be explained that, as shown in fig. 2, in the specific embodiment, the link clamping member 6 includes a mounting plate 601, the mounting plate 601 is mounted on the first bearing 506 and the second bearing 507, two clamping plates 602 are symmetrically mounted on the mounting plate 601 at a side far away from the telescopic device 5, the clamping plates 602 are slidably disposed on the mounting plate 601, and the distance between the two clamping plates 602 can be adjusted according to the diameter width of the pull rod, so as to clamp pull rods with different diameters; an adjusting knob 603 is further disposed on the mounting plate 601, and is used for finely adjusting and fixing the distance between the two clamping plates 602, so that the clamping plate can firmly clamp the pull rod, and the pull rod is prevented from deviating or falling off from the telescopic device 5 during operation.

Further, as shown in fig. 1, a control panel 509 is further installed on the housing 501, and the control panel 509 is connected to the motor 502, so that the control panel 509 controls the operation of the motor 502 on one hand, and can display the telescopic length of the driving rod 504 in real time on the other hand, thereby facilitating the checking and adjustment by the worker; in addition, two supporting blocks 508 which are symmetrically arranged relative to the driving sleeve 505 are further fixedly connected to the inner side wall of the shell 501, the supporting blocks 508 are tightly attached to the outer wall surface of the driving sleeve 505, the driving sleeve 505 is clamped and stabilized through the supporting blocks 508, and the phenomenon that the driving sleeve 505 shakes or falls off due to overlarge torque of the driving rod 504 during operation is avoided.

Preferably, as shown in fig. 3, the power cylinder 2 includes a cylinder wall 202, through holes are formed at both left and right ends of the cylinder wall 202, a screw cap 203 with a hollow interior is fixedly connected to an inner wall of the left side of the cylinder wall 202, the screw cap 203 corresponds to the through hole at the left side of the cylinder wall 202 in position, a screw 204 is installed in the screw cap 203, the screw 204 penetrates through the screw cap 203, and both left and right ends of the screw 204 penetrate through the through hole in the cylinder wall 202; the left end fixed mounting of lead screw 204 has handle 201, shakes handle 201 and drives lead screw 204 at screw cap 203 internal rotation, and then adjusts the flexible removal of lead screw 204, and the right-hand member and the horizontal pull rod 3 fixed connection of lead screw 204.

Further, in a specific embodiment, the power cylinder 2 is further provided with an oil filling nozzle 205 and an oil discharging nozzle 206, wherein the oil filling nozzle 205 is fixedly arranged on the top end surface of the cylinder wall 202 and is located right above the right end surface of the screw cap 203, lubricating oil is filled into the power cylinder 2 through the oil filling nozzle 205, and the oil filling nozzle 203 is located at the joint of the screw cap 203 and the screw 204, so that the lubricating oil can better enter between the screw cap 203 and the screw 204, a good lubricating effect can be achieved while the lubricating oil is saved, and friction loss is reduced; further, a drain nozzle 206 is fixedly provided on the bottom end surface of the cylinder wall 202 for draining the lubricant oil with impurities.

It should be noted that, as shown in fig. 1 and 4, in the specific embodiment, the brake disc 8 is uniformly distributed with the first teeth 801 on the circumferential side, and the first teeth 801 are arranged obliquely, and the angle of the inclination is 45 °; furthermore, the braking rod 9 is located the lower position department of brake disc 8, and fixed being provided with on the braking rod 9 is used for the second tooth 901 with first tooth 801 intermeshing chucking, the first tooth 801 and the second tooth 901 intermeshing locking that set up through the slope, make its meshing degree higher, the effect of meshing braking is better, the risk that brake disc 8 breaks away from when braking rod 9 amplitude of oscillation is great has been reduced, in addition, when the pull rod takes place to break, braking rod 9 drops through the dead weight, can not contact with brake disc 8, the security of device operation has been guaranteed, avoid the emergence of dangerous accident.

Preferably, as shown in fig. 5, one end of the brake rod 9 is rotatably connected to the vertical pull rod 4, and the other end of the brake rod 9 is mounted on the pumping unit and rotatably connected to the pumping unit through a positioning shaft 902, and when the brake rod 9 is pulled by the vertical pull rod 4, the brake rod 9 axially rotates around the positioning shaft 902; install buffer spring 903 between location axle 902 and brake lever 9 for play the cushioning effect when brake lever 9 arrests, avoid it to be broken and drop because of the too big brake dynamics that leads to brake lever 9.

It should be understood that, as shown in fig. 6, in the specific embodiment, the hinge base 7 comprises a short rocker arm 701 and a long rocker arm 702, the short rocker arm 701 and the long rocker arm 702 are connected through a rotating shaft 703 for transmission, wherein a horizontal link mounting head 704 is connected to the short rocker arm 701, and the horizontal link mounting head 704 is used for connecting the horizontal pull rod 3 and is rotatably connected with the short rocker arm 701 through a connecting pin 706; a vertical connecting rod mounting head 705 is connected to the long rocker arm 702, and the vertical connecting rod mounting head 705 is used for connecting a vertical pull rod 4 and is rotatably connected with the long rocker arm 705 through a connecting pin 706; through setting up articulated seat 7, convert the horizontal lateral shifting of horizontal pull rod 3 into vertical reciprocating of vertical pull rod 4, and then drive the rotation of stopping pole 9, realize the braking of stopping.

Furthermore, as shown in fig. 1, in an embodiment, a locking device 201 is installed on one side of the bracket 1 close to the handle 201, and the locking device 201 and the bracket 1 are fixed and rotated in position by rotating the fixing block 101, which is used for locking the position of the handle 201 and preventing a person from touching the handle 201 by mistake and rotating the handle.

The foregoing description of the specific embodiments of the present invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise form disclosed, and it is apparent that numerous changes and modifications may be made in the foregoing description, the examples having been selected and described to illustrate the specific principles and practical application of the invention, to thereby enable one skilled in the art to make and use the invention in various embodiments and with various modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A brake device of a pumping unit comprises a support (1), a power cylinder (2), a horizontal pull rod (3), a vertical pull rod (4) and a brake disc (8), and is characterized in that the horizontal pull rod (3) is connected with the power cylinder (2), the top end of the vertical pull rod (4) is connected with a brake stopping rod (9) used for stopping the brake disc (8), and the horizontal pull rod (3) is in transmission connection with the vertical pull rod (4) through a hinge seat (7); the telescopic device (5) is mounted on each of the horizontal pull rod (3) and the vertical pull rod (4), the telescopic device (5) comprises a shell (501), an opening is formed in one end of the shell (501), a first bearing (506) is fixedly mounted at the other end of the shell, a driving sleeve (505) is fixedly arranged on the inner wall of one side, close to the first bearing (506), in the shell (501), a driving rod (504) is mounted in the driving sleeve (505), one end of the driving rod (504) penetrates through the opening and then is fixedly connected with a second bearing (507), and connecting rod clamping pieces (6) are mounted on the first bearing (506) and the second bearing (507); a motor (502) is installed on the shell (501) at a position close to the opening, and a gear (503) matched with the driving rod (504) is fixedly connected to the motor (502).

2. A brake device of a pumping unit according to claim 1, characterized in that the horizontal pull rod (3) comprises a first horizontal connecting rod (301) and a second horizontal connecting rod (302), and the first horizontal connecting rod (301) and the second horizontal connecting rod (302) are connected through the telescopic device (5); the vertical pull rod (4) comprises a first vertical connecting rod (401) and a second vertical connecting rod (402), and the first vertical connecting rod (401) and the second vertical connecting rod (402) are connected through the telescopic device (5).

3. The brake device of the oil pumping unit according to claim 1, characterized in that the connecting rod clamping member (6) comprises a mounting plate (601), two symmetrically arranged clamping plates (602) are mounted on one side of the mounting plate (601) far away from the telescopic device (5), and an adjusting knob (603) for adjusting the distance between the two clamping plates (602) is further arranged on the mounting plate (601).

4. The brake device of the oil pumping unit according to claim 1, characterized in that a control panel (509) is further installed outside the housing (501), and the control panel (509) is connected with the motor (502); two symmetrically arranged supporting blocks (508) are fixedly connected to the inner wall of the shell (501).

5. The brake device of the pumping unit according to claim 1, wherein through holes are formed in both ends of the power cylinder (2), a screw cap (203) is fixedly connected to the inner wall of one side of the power cylinder (2) far away from the horizontal pull rod (3), a lead screw (204) is installed in the screw cap (203) in a penetrating manner, two through holes are formed in both ends of the lead screw (204), one end of the lead screw is connected with the horizontal pull rod (3), and a handle (201) is installed at the other end of the lead screw.

6. The brake device of the oil pumping unit according to claim 1, characterized in that the top end surface of the power cylinder (2) is provided with an oil filling nozzle (205), and the bottom end surface of the power cylinder (2) is further provided with an oil discharging nozzle (206).

7. Brake device of oil pumping unit according to claim 1, characterized in that the brake disc (8) is arranged with first teeth (801) uniformly, the first teeth (801) are arranged obliquely with an angle of 45 °.

8. The brake device of the oil pumping unit according to claim 7, characterized in that the brake bar (9) is located below the brake disc (8), and a second tooth (901) corresponding to the first tooth (801) is fixedly arranged on the brake bar (9); one end of the brake stopping rod (9) is connected with the vertical pull rod (4), the other end of the brake stopping rod is installed on the oil pumping unit through a positioning shaft (902), and a buffer spring (903) is arranged between the positioning shaft (902) and the brake stopping rod (9).

9. The brake device of the oil pumping unit according to claim 1, characterized in that the hinged seat (7) comprises a short rocker arm (701) and a long rocker arm (702), the short rocker arm (701) and the long rocker arm (702) are connected and driven by a rotating shaft (703), a horizontal connecting rod mounting head (704) is connected to the short rocker arm (701), and a vertical connecting rod mounting head (705) is connected to the long rocker arm (702).

10. A brake device of a pumping unit according to claim 5, characterized in that a locking device (102) is arranged on one side of the bracket (1) close to the handle (201).