CN211259443U

CN211259443U - Belt stop device of oil pumping unit

Info

Publication number: CN211259443U
Application number: CN201922006286.5U
Authority: CN
Inventors: 杨建春; 晁卫国; 严碧涛
Original assignee: Jianghan Sanji Retrofit Truck Co ltd
Current assignee: Jianghan Sanji Retrofit Truck Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-14
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a belt stopping device of a pumping unit, which comprises a main body, wherein the inner surface of one side wall of the main body is rotatably connected with one end of a gear, the other side wall of the main body corresponds to the gear, a circular through hole is arranged at the position of the gear, the other end of the gear passes through the circular through hole, the inner side wall of the main body is slidably connected with a movable rod, one side outer surface of the movable rod is provided with a first rack which is meshed with the gear, the utility model discloses a gear is arranged on the main body, the first rack is driven by the rotation of the gear, thereby driving the movable rod, finally driving an upper pressure plate to move, thereby enabling the upper pressure plate and a lower pressure plate to contract, thereby clamping the belt, simultaneously, the fixed plate and the upper pressure plate clamp the belt positioned above, and the fixed plate and the lower pressure plate can clamp the belt positioned below, thereby completely securing the strap.

Description

Belt stop device of oil pumping unit

Technical Field

The utility model relates to an oil field equipment technical field, concrete field is a pumping unit belt detent.

Background

In the production process of an oil well, the operations of fishing a polished rod, changing a rope braid, changing the polished rod, releasing a clamp, adjusting a balance and repairing brake and the like all need to stop pumping, and the pumping is stopped mainly by a brake system of the pumping unit at the present stage, so that once the brake system fails, the personal safety of operators cannot be ensured. Especially when adjusting, maintaining, changing the pumping unit brake, the pumping unit is in the uncontrolled state, very dangerous, so it is very necessary to research and develop the pumping unit arresting gear, can guarantee operating personnel's personal safety to a great extent.

The existing pumping unit in the oil field mostly transmits power by a belt, if the pumping unit is stopped, the stopping device is arranged on the belt, the effect of preventing the pumping unit from rotating can be achieved, the accidental action of the pumping unit is avoided, and the damage to an operator is avoided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a beam-pumping unit belt detent to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a belt stopping device of an oil pumping unit comprises a main body, wherein the inner surface of the side wall of one side of the main body is rotatably connected with one end of a gear, the side wall of the other side of the main body is provided with a circular through hole corresponding to the gear, the other end of the gear penetrates through the circular through hole, the inner side wall of the main body is slidably connected with a movable rod, the outer surface of one side of the movable rod is provided with a first rack, the first rack is meshed with the gear, the inner surface of the main body is rotatably connected with a first pawl, the first pawl is meshed with the gear, a torsion spring is arranged between the first pawl and the inner surface of the main body, the outer surface of the first pawl is fixedly connected with one end of a first handle, the side wall of the main body, far away from the movable rod, is provided with a first through groove, the other end of the first handle, the outer fixed surface of the lower extreme of main part is connected with the dead lever, the lateral wall lower extreme fixedly connected with holding down plate of dead lever, the holding down plate is located the lower extreme of top board, the lateral wall of movable rod with the sleeve has been cup jointed respectively to the lateral wall of dead lever, telescopic lateral wall difference fixedly connected with fixed plate, just the fixed plate all is located the top board with between the holding down plate, two fixedly connected with telescopic link group between the fixed plate, telescopic link group includes first telescopic link and second telescopic link, first telescopic link with for pegging graft between the second telescopic link, just first telescopic link with be equipped with the spring between the second telescopic link.

Preferably, two telescopic lateral wall all is equipped with the second and leads to the groove, the lateral wall that the second led to the groove rotates respectively and is connected with the second pawl, the lateral wall of dead lever is equipped with the second rack, the second pawl respectively with correspond first rack with the second rack meshes mutually, the equal fixedly connected with one end of second handle of surface of second pawl, the other end of second handle all passes the second leads to the groove, the second pawl with all be equipped with the torsional spring between the lateral wall that the groove was led to the second.

Preferably, the lower surface of the upper pressing plate and the upper surface of the lower pressing plate are both provided with anti-skidding rubber pads.

Preferably, the outer surface of the other end of the gear is provided with a rotating groove.

Preferably, the upper surface of the fixing plate positioned at the upper end and the lower surface of the fixing plate positioned at the lower end are both provided with anti-skid rubber pads.

Preferably, the lower end of the outer side wall of the movable rod is provided with a limiting plate.

Preferably, the outer surface of the other end of the gear is provided with a rotating lug.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pumping unit belt stop device, through set up the gear in the main part, drive first rack through gear revolve, thereby drive the movable rod, finally, drive the top board and remove, thereby make top board and holding down plate shrink, thereby press from both sides tight belt, set up the sleeve respectively through overtaking up with the activity on the dead lever simultaneously, thereby make the sleeve can be along movable rod and dead lever activity from top to bottom, thereby drive the fixed plate, and set up telescopic link group between the fixed plate, make the thrust that receives the spring between two fixed plates, thereby make fixed plate and top board press from both sides the belt that is located the top, and fixed plate and holding down plate can press from both sides the belt that is located the below, thereby fix the belt completely.

Drawings

Fig. 1 is a schematic front view, sectional structure of embodiment 1 of the present invention;

fig. 2 is a schematic right-side sectional view of embodiment 1 of the present invention;

fig. 3 is a schematic front view, sectional structure of embodiment 2 of the present invention;

fig. 4 is a schematic right-side sectional view of embodiment 2 of the present invention;

fig. 5 is a physical diagram of an enlarged structure at a in fig. 4.

In the figure: 1-main part, 2-gear, 3-circular through hole, 4-movable rod, 5-first rack, 6-first pawl, 7-first through groove, 8-first handle, 9-upper pressing plate, 10-fixed rod, 11-lower pressing plate, 12-sleeve, 13-fixed plate, 14-telescopic rod group, 1401-first telescopic rod, 1402-second telescopic rod, 15-spring, 16-second through groove, 17-second pawl, 18-second rack, 19-second handle, 20-antiskid rubber pad, 21-rotating groove, 22-limiting plate and 23-rotating lug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: a belt stopping device of an oil pumping unit comprises a main body 1, wherein the main body 1 is a rectangular shell, the upper end and the lower end of the main body are provided with openings, the inner surface of one side wall of the main body 1 rotates to be connected with one end of a gear 2, the other side wall of the main body 1 corresponds to the gear 2 and is provided with a circular through hole 3, the other end of the gear 2 penetrates through the circular through hole 3, the gear 2 can be rotated conveniently through the outer side of the main body 1, the inner side wall of the main body 1 is slidably connected with a movable rod 4, one side outer surface of the movable rod 4 is provided with a first rack 5, the first rack 5 is meshed with the gear 2, the inner surface of the main body 1 rotates to be connected with a first pawl 6, the first pawl 6 is meshed with the gear 2, a torsion spring is arranged between the first pawl 6 and the inner surface of the main body 1, and, the first pawl 6 enables the movable rod 4 to move only downwards, one end of a first handle 8 is fixedly connected to the outer surface of the first pawl 6, a first through groove 7 is formed in the side wall of the main body 1, which is far away from the movable rod 4, one end of the first handle 8 penetrates through the first through groove 7, the first handle 8 can be pulled to enable the first pawl 6 to be separated from the gear 2, an upper pressing plate 9 is fixedly connected to the upper end of the side wall of the movable rod 4, the upper pressing plate 9 is located at the upper end of a belt, a fixed rod 10 is fixedly connected to the outer surface of the lower end of the main body 1, a lower pressing plate 11 is fixedly connected to the lower end of the outer side wall of the fixed rod 10, the lower pressing plate 11 is located below the lower end of the belt, the lower pressing plate 11 is located at the lower end of the upper pressing plate 9, and sleeves 12 are respectively sleeved on, the sleeve 12 can respectively slide up and down along the movable rod 4 and the fixed rod 10, the outer side wall of the sleeve 12 is respectively and fixedly connected with a fixed plate 13, the fixed plates 13 are both positioned between the upper pressing plate 9 and the lower pressing plate 11, a telescopic rod group 14 is fixedly connected between the two fixed plates 13, the telescopic rod group 14 comprises a first telescopic rod 1401 and a second telescopic rod 1402, the first telescopic rod 1401 and the second telescopic rod 1402 are connected in an inserting manner, and a spring 15 is arranged between the first telescopic rod 1401 and the second telescopic rod 1402.

Specifically, the lower surface of the upper press plate 9 and the upper surface of the lower press plate 11 are both provided with anti-skid rubber pads 20, so that the friction force between the upper press plate and the belt is increased.

Specifically, the outer surface of the other end of the gear 2 is provided with a rotating groove 21, so that the gear 2 can be rotated after a screwdriver or the like is inserted into the rotating groove 21.

Specifically, the upper surface of the fixing plate 13 at the upper end and the lower surface of the fixing plate 13 at the lower end are both provided with anti-skid rubber pads 20 to increase the friction force between the anti-skid rubber pads and the belt.

Specifically, the lower end of the outer side wall of the movable rod 4 is provided with a limiting plate 22, so that the movable rod 4 is prevented from being separated from the main body 1.

The working principle is as follows: the utility model discloses use when carrying out beam-pumping unit belt locking, during the use, place the position between upper and lower both ends belt with two fixed plates 13, and top board 9 is located the top of upper end belt, bottom board 11 is located the below of lower extreme belt, transmitting gear 2, make gear 2 drive first rack 5, thereby drive movable rod 4 downstream, and first pawl 6 locks the dead gear under the effect of torsional spring, make the gear can not counter-rotating, thereby make the distance between top board 9 and the holding down plate 11 reduce gradually, and two fixed plates 13 are under telescopic link group 14's effect, apply pressure to the direction of top board 9 and holding down plate 11 respectively, press from both sides tight upper end and the belt of lower extreme, thereby fix the belt, and when the device is taken off to needs, only need stir first handle 8, make first pawl 6 break away from with gear 2, can take off the device.

Example 2

Referring to fig. 3-5, the present embodiment is different from embodiment 1 in that: the side walls of the two sleeves 12 are respectively provided with a second through groove 16, the side walls of the second through grooves 16 are respectively rotatably connected with a second pawl 17, the side wall of the fixed rod 10 is provided with a second rack 18, the second pawls 17 are respectively meshed with the corresponding first rack 5 and the second rack 18, the outer surface of each second pawl 17 is fixedly connected with one end of a second handle 19, the other end of the second handle 19 penetrates through the second through groove 16, a torsion spring is arranged between each second pawl 17 and the side wall of the second through groove 16, the second pawl 17 enables the sleeve 12 on the movable rod 4 to only move upwards, and the sleeve 12 on the fixed rod 10 only can move downwards, so that when the belt is fixed and has a tendency of moving due to large stress, the fixed plate 13 fixed by simply adopting the telescopic rod group 14 may not be enough to fix the belt, the second pawl 17 is used to firmly clamp the belt when the fixing plate 13 is fixed and receives a large stress, so that the fixing is more firm.

Specifically, the outer surface of the other end of the gear 2 is provided with a rotating bump 23, which facilitates the rotation of the gear 2 by using a wrench or the like.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a beam-pumping unit belt arresting gear, includes main part (1), its characterized in that: the inner surface of the side wall of one side of the main body (1) is rotatably connected with one end of a gear (2), the side wall of the other side of the main body (1) is provided with a circular through hole (3) corresponding to the gear (2), the other end of the gear (2) penetrates through the circular through hole (3), the inner side wall of the main body (1) is slidably connected with a movable rod (4), the outer surface of one side of the movable rod (4) is provided with a first rack (5), the first rack (5) is meshed with the gear (2), the inner surface of the main body (1) is rotatably connected with a first pawl (6), the first pawl (6) is meshed with the gear (2), a torsion spring is arranged between the first pawl (6) and the inner surface of the main body (1), the outer surface of the first pawl (6) is fixedly connected with one end of a first handle (8), the side wall of one side of the main body (1) far away from the movable rod (4) is provided with, the other end of the first handle (8) penetrates through the first through groove (7), the upper end of the side wall of the movable rod (4) is fixedly connected with an upper pressing plate (9), the outer surface of the lower end of the main body (1) is fixedly connected with a fixed rod (10), the lower end of the outer side wall of the fixed rod (10) is fixedly connected with a lower pressing plate (11), the lower pressing plate (11) is positioned at the lower end of the upper pressing plate (9), the outer side wall of the movable rod (4) and the outer side wall of the fixed rod (10) are respectively sleeved with a sleeve (12), the outer side wall of the sleeve (12) is respectively and fixedly connected with a fixed plate (13), the fixed plates (13) are both positioned between the upper pressing plate (9) and the lower pressing plate (11), a telescopic rod group (14) is fixedly connected between the two fixed plates (13), and the telescopic rod group (14) comprises a first telescopic, the first telescopic rod (1401) and the second telescopic rod (1402) are connected in an inserting mode, and a spring (15) is arranged between the first telescopic rod (1401) and the second telescopic rod (1402).

2. The pumping unit belt stop device of claim 1, wherein: two the lateral wall of sleeve (12) all is equipped with second and leads to groove (16), the lateral wall that the second led to groove (16) rotates respectively and is connected with second pawl (17), the lateral wall of dead lever (10) is equipped with second rack (18), second pawl (17) respectively with correspond first rack (5) with second rack (18) mesh mutually, the equal fixedly connected with one end of second handle (19) of surface of second pawl (17), the other end of second handle (19) all passes second leads to groove (16), second pawl (17) with all be equipped with the torsional spring between the lateral wall that groove (16) is led to the second.

3. The pumping unit belt stop device of claim 1, wherein: the lower surface of the upper pressing plate (9) and the upper surface of the lower pressing plate (11) are both provided with anti-skidding rubber pads (20).

4. The pumping unit belt stop device of claim 1, wherein: and a rotating groove (21) is formed in the outer surface of the other end of the gear (2).

5. The pumping unit belt stop device of claim 1, wherein: the upper surface of the fixing plate (13) positioned at the upper end and the lower surface of the fixing plate (13) positioned at the lower end are both provided with anti-skidding rubber pads (20).

6. The pumping unit belt stop device of claim 1, wherein: and a limiting plate (22) is arranged at the lower end of the outer side wall of the movable rod (4).

7. The pumping unit belt stop device of claim 1, wherein: and a rotating lug (23) is arranged on the outer surface of the other end of the gear (2).