CN211466176U - Balance block adjusting wrench of beam-pumping unit - Google Patents
Balance block adjusting wrench of beam-pumping unit Download PDFInfo
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- CN211466176U CN211466176U CN201921745994.4U CN201921745994U CN211466176U CN 211466176 U CN211466176 U CN 211466176U CN 201921745994 U CN201921745994 U CN 201921745994U CN 211466176 U CN211466176 U CN 211466176U
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Abstract
The utility model relates to a balancing piece adjustment spanner of beam-pumping unit. A balance block adjusting wrench of a beam-pumping unit comprises a wrench main body and a force application stop handle; the wrench main body comprises a cylinder body, a planet wheel speed reducing mechanism and a rotating handle which are arranged in the cylinder body, a force application stop handle, and a stop handle connecting section arranged at the front part of the cylinder body and used for providing reverse torque for the wrench; the force applying stop handle is provided with a set screw for positioning the force applying stop handle on the stop handle connecting section, and a circumferential positioning structure is arranged between the force applying stop handle and the stop handle connecting section. The force application stop handle can move along the axial direction and rotate along the circumferential direction so as to conveniently adjust the position of the force application stop handle and enable the force application stop handle to be positioned at a position suitable for applying a counterforce; after the force is kept off and is moved suitable position, will keep off the location through holding screw will exert oneself and keep off the location on keeping off the linkage segment, prevent to exert oneself keep off taking place the drunkenness in the axial direction, circumference location structure makes to keep off the linkage segment and keep off the formation to stop the cooperation of changeing, conveniently adjusts the balancing piece.
Description
Technical Field
The utility model relates to a balancing piece adjustment spanner of beam-pumping unit.
Background
The in-process of beam-pumping unit oil pumping is through the rotation drive sucker rod reciprocating motion of crank, and the balancing piece on the crank is the important part of guaranteeing the balance of crank moment, and along with the operation of beam-pumping unit, the wearing and tearing of each part can lead to articulate atress to change, in order to make the crank resume balance, need adjust the position of balancing piece. The current method for moving the balance block is to pry the balance block by a crow bar, but the balance block has large mass and low moving efficiency, and the high-altitude operation has certain unsafe factors, so that personal injury is easily caused.
The utility model discloses a novel split type mobile device of beam-pumping unit balancing piece is disclosed in the chinese utility model patent of the bulletin number CN204041019U, through linking to each other with rack toothing's removal gear with the action bars among the device, single can operate when removing the balancing piece, but because the balancing piece quality is great, still comparatively difficultly during the removal.
The utility model discloses a beam-pumping unit balancing piece adjustment instrument is disclosed in the chinese utility model patent of grant publication number CN204171986U, and this adjustment instrument drives balancing piece gear revolve through laborsaving spanner, carries out appropriate extension to the fixed arm of fixing on laborsaving spanner's sleeve simultaneously through the digging arm, and the digging arm card can enlarge moment through laborsaving spanner at suitable fixed point, rotation balancing piece gear that can be more laborsaving. When the adjusting tool is used, the fixed arm and the labor-saving wrench are integrated, and when the adjusting tool is used, the fixed arm and the movable arm are required to be connected through the connecting sleeve and the fixed rod is sleeved on the fixed arm through the annular structure to be connected, so that a force blocking handle is formed and is used for providing reverse torque for the wrench; meanwhile, the meshing of the gear and the rack of the balance block is controlled to be in place, and in the assembling process, no pretightening force exists among all the parts, the parts are easy to separate from each other, the counterforce is inconvenient to apply, and the problem of inconvenient operation still exists.
The patent of chinese utility model with the publication number CN2813217Y discloses a force-increasing wrench with a safety pin, which also has the effect of reducing speed and increasing torque through a planetary gear mechanism. The arched supporting leg in the wrench and the barrel are integrally arranged to serve as a force stopping handle. However, when the wrench is used, the position of the arch-shaped supporting leg cannot be adjusted according to the situation of the site, so that the wrench is inconvenient to apply reaction force and inconvenient to work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a balancing piece adjustment spanner of beam-pumping unit for solve among the prior art because of the inconvenient problem of the operation that causes of exerting the reaction force.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a balance block adjusting wrench of a beam-pumping unit comprises a wrench main body and a force application stop handle;
the wrench main body comprises a cylinder body and a planet wheel speed reducing mechanism arranged in the cylinder body, wherein the front end of the balance block adjusting wrench is provided with an output shaft connected with the output end of the planet wheel speed reducing mechanism;
the force application stop handle is arranged at the front part of the barrel and is used for providing reverse torque for the wrench;
the front part of the cylinder body is provided with a stop lever connecting section, and an acting stop lever is sheathed on the stop lever connecting section along the axial direction of the cylinder body in a guiding way;
the force stopping handle is provided with a set screw which is used for positioning the force stopping handle on the handle connecting section along the axial direction of the cylinder body;
the force blocking handle and the blocking handle connecting section are provided with a circumferential positioning structure between each other, and the circumferential positioning structure is used for the force blocking handle to be adjustably arranged on the blocking handle connecting section along the circumferential position and to be in rotation stopping fit with the blocking handle connecting section after being adjusted in place.
The utility model has the advantages that: the force application stop handle can move on the stop handle connecting section along the axial direction of the cylinder body and can also rotate relatively to the stop handle connecting section in the circumferential direction, so that the position of the force application stop handle is conveniently adjusted, and the force application stop handle is positioned at a position suitable for applying a counterforce; after the force is kept off and is removed suitable position, will keep off the location through holding screw will exert force and keep off keeping off the linkage segment, prevent to exert force keep off take place the drunkenness in the axial direction, circumference location structure can make keep off the linkage segment with exert force keep off form the cooperation of splining to exert reverse torque to the spanner, also more stable during the operation, the convenience is adjusted the balancing piece.
Furthermore, the outer peripheral surface of the connecting section of the blocking handle is a cylindrical surface, more than two sliding grooves extending along the axial direction of the cylinder body are arranged on the cylindrical surface, the tail end of the set screw is an adaptive end used for extending into the sliding grooves, and the circumferential positioning structure is formed by the adaptive end of the set screw and the sliding grooves.
Has the advantages that: keep off for circular the periphery of linkage segment, loosen holding screw and can adjust the power and keep off axial and circumference position, it is more convenient to adjust. And set screw still is used for forming circumferential location structure with the spout cooperation when playing the axial positioning effect, and the structure is succinct more, and spare part is few.
Furthermore, the outer contour of the connecting section of the stop handle is a regular polygon, the opening on the stop handle, which is used for being sleeved on the connecting section of the stop handle, is a regular polygon hole matched with the regular polygon, the tail end of the set screw is matched with the outer peripheral surface of the connecting section of the stop handle, and the circumferential positioning structure is formed by the outer peripheral surface of the connecting section of the stop handle and the regular polygon hole.
Has the advantages that: the outer contour of the connecting section and the regular polygonal hole form a circumferential positioning structure by utilizing the stopper, circumferential rotation stopping is realized by the contact of the surface and the surface, and the rotation stopping effect is good.
Furthermore, the top of the set screw extends out of the force blocking handle, and an operating handle convenient to pull and screw is arranged at the top of the set screw.
Has the advantages that: the setting screw is convenient to adjust by setting the operating handle, so that the integral degree of the whole wrench is higher, and the wrench is convenient to use.
Further, the operating handle is a rotating rod which penetrates through the top end of the set screw.
Has the advantages that: the rotating rod is arranged to pull and screw the set screw, so that the structure is simple and the realization is convenient.
Further, a gear meshed with the rack is arranged at the end part of the output shaft, and the gear is fixed on the output shaft.
Has the advantages that: with gear snap-on at the tip of output shaft, need not assemble the working head that has the gear again to the output shaft of balancing piece adjustment spanner when using, facilitate the use, also avoided unexpected when using to drop.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a balance weight adjusting wrench of a midstream beam type pumping unit according to the present invention;
FIG. 2 is an exploded view of the counterweight adjustment wrench of FIG. 1;
FIG. 3 is a schematic structural view of the cartridge of FIG. 1;
fig. 4 is a schematic view of the output shaft of fig. 1.
Wherein: 1-clamp spring, 2-rotating handle, 3-input gland, 4-input gear shaft, 5-primary planet wheel, 6-secondary planet wheel, 7-force-exerting catch, 8-barrel, 9-chute, 10-catch connecting section, 11-set screw, 12-rotating rod, 13-tertiary planet wheel, 14-output shaft, 15-gear and 16-positioning column.
Detailed Description
The embodiment of the balance weight adjusting wrench of the beam-pumping unit of the present invention will be further described with reference to the accompanying drawings.
An embodiment of a balance weight adjusting wrench of a beam-pumping unit, as shown in fig. 1, 2, 3 and 4, includes a wrench body and a force application stop 7. The wrench body comprises a barrel body 8 and a planet wheel speed reducing mechanism arranged inside the barrel body 8, an output shaft 14 connected with the planet wheel speed reducing mechanism is arranged at the front end of the wrench body, and a rotating handle 2 is arranged at the rear end of the wrench body. The cylinder 8 is of a hollow structure, and is divided into a mounting section and a connecting section 10 in the axis direction, and internal teeth meshed with planet wheels of the planet wheel speed reducing mechanism are arranged in the mounting section. The circumferential dimension of the stop handle connecting section 10 is smaller than that of the mounting section, and the formed stepped shaft structure is used for stopping the force stop handle 7 along the axial direction of the cylinder 8.
The planetary gear speed reducing mechanism of the present embodiment is a planetary gear speed reducing mechanism well known to those skilled in the art in the prior art, the planetary gear speed reducing mechanism is provided with three stages, the planetary gear of each stage of planetary gear speed reducing mechanism is engaged with the internal teeth of the cylinder 8, wherein the sun gear of the outermost one-stage planetary gear speed reducing mechanism is the input end gear shaft 4, the sun gear of the middle one-stage secondary planetary gear speed reducing mechanism is mounted on the planet carrier of the one-stage planetary gear speed reducing mechanism, the sun gear of the last one-stage tertiary planetary gear speed reducing mechanism is mounted on the planet carrier of the secondary planetary gear speed reducing mechanism, the planet carrier of the three-stage planetary gear speed reducing mechanism is connected with the output.
The wrench body is also provided with an input end gland 3 for compressing each planet wheel speed reducing mechanism in the cylinder 8, the rear end part of an input end gear shaft 4 of the first-stage planet wheel speed reducing mechanism is a stepped shaft, the stepped shaft penetrates through the input end gland 3, and the input end gland 3 is positioned in the cylinder 8 through the clamp spring 1. The rotating handle 2 of the wrench body is sleeved at the square shaft end of the input gear shaft 4 through a rotation stopping sleeve of a square hole structure, when the rotating handle 2 rotates, the first-stage planet wheel 5 of the first-stage planet wheel speed reducing mechanism is driven to rotate, at the moment, the sun wheel of the second-stage planet wheel speed reducing mechanism rotates along with the first-stage planet wheel 5, the second-stage planet wheel 6 is driven to rotate, the sun wheel of the third-stage planet wheel speed reducing mechanism fixed on the second-stage planet wheel speed reducing mechanism drives the third-stage planet wheel 13 to rotate, and finally, the torque is transmitted to the output. The input torque can be increased through the three-stage planetary gear speed reducing mechanism, so that the adjusting tool is more convenient to use. In other embodiments, the planetary reduction mechanism can also be provided with two stages or more than four stages to meet different requirements.
As shown in fig. 3, the outer peripheral surface of the stopper handle connecting section 10 in this embodiment is a cylindrical surface, and the end of the force stopper handle 7 has a connecting sleeve adapted to the cylindrical surface of the stopper handle connecting section 10, so that the force stopper handle 7 can rotate in the circumferential direction relative to the stopper handle connecting section 10 to adjust the position of the force stopper handle 7 in the circumferential direction relative to the stopper handle connecting section 10, that is, adjust the angle of the force stopper handle 7, and thus it is easier to operate on the force stopper handle 7. The outer peripheral surface of the connecting section 10 of the retaining handle is a cylindrical surface, so that the retaining handle can be rotated without being taken down, and the spanner is convenient to adjust.
In order to position the force application stop lever 7 on the stop lever connecting section 10 after the force application stop lever 7 is rotated to a proper position, a set screw 11 penetrating through a hole wall is arranged on the hole wall of a round hole of the force application stop lever 7, and the set screw 11 is arranged on the force application stop lever 7 along the radial direction of the stop lever connecting section 10; keep off and set up the spout 9 that extends along the barrel axial everywhere on the linkage segment 10, the equipartition is followed along circumference to spout 9 everywhere, the terminal adaptation end with spout 9 adaptation of holding screw 11, and the adaptation end screw in pushes up tightly the diapire at spout 9 behind the spout 9, prevents to exert oneself to keep off taking place the drunkenness in the axial direction. In other embodiments, the number of the chutes may be increased or decreased as needed, for example, two, three, five, or more than six chutes are provided.
The four sliding grooves are arranged in the embodiment, so that the adjustment angle of the force blocking handle 7 is 90 degrees, after the adaptive end of the fastening screw 11 is screwed into the sliding groove 9, the adaptive end of the fastening screw forms blocking fit with the side wall of the sliding groove 9, the force blocking handle 7 is prevented from rotating, the adaptive end of the fastening screw 11 and the sliding groove 9 form a circumferential positioning structure, the force blocking handle 7 is prevented from rotating, and the force blocking handle 7 can be used for applying torque to the adjusting wrench conveniently.
The top end of the set screw 11 extends out of the outer surface of the force blocking handle 7, an operation handle convenient to pull and screw is arranged at the top of the set screw 11, the operation handle in the embodiment is a rotating rod 12 perpendicular to the extending direction of the set screw 11, and the set screw 11 can be operated more conveniently through the rotating rod 12. In other embodiments, the rear end of the set screw may also engage in a force stop, in which case a linear or cross-shaped groove may be provided on the rear end face of the set screw for the operation of the set screw. In other embodiments, the handle may be a knob fixed to the top of the set screw, and the position of the set screw may be adjusted by turning the knob.
The utility model discloses well output shaft 14's tip is provided with the reference column 16 that advances line location to the adjustment spanner, like the operation among the prior art, makes reference column 16 insert the adjusting hole on the balancing piece of beam-pumping unit during the use, rotates around the axis that uses reference column 16 as the center when the output shaft rotates.
The periphery of the end part of the output shaft 14 is fixed with a gear 15 which is used for being meshed with the rack, the gear 15 is directly fixed on the output shaft 14, and the gear 15 does not need to be installed when the adjusting device is used, so that the whole adjusting device is more convenient to use. In the embodiment, the gear 15 is in spline fit with the output shaft 14 in a rotation stopping way, and is axially fixed through interference fit; in other embodiments, the gear 15 may also be in a rotation-stopping fit with the output shaft 14 through a flat key, and may be axially fixed through a snap spring; in other embodiments, the gears may also be welded directly to the output shaft 14.
The utility model discloses a balance block adjustment spanner of beam-pumping unit is when using, inserts the adjusting hole on the balance block with the reference column of output shaft tip, and the reference column is keeping off the circumferential direction position and the axial position of handle with corresponding locating hole normal running fit, adjusting the power, then uses holding screw will exert oneself and keep off locking on keeping off the linkage segment, keeps off applying reverse torque to the spanner main part through exerting oneself when rotating handle, can relax adjusts the balance block. The step can be operated by a single person, the position of the force application stop handle can be adjusted according to the actual situation in the operation process, and the adjustment process is convenient and quick.
The utility model discloses a balance weight adjustment spanner of beam-pumping unit's another embodiment: the outer contour of the connecting section of the stopper handle is a regular polygon, the end part of the stopper handle is provided with an inner hole matched with the regular polygon, the inner side surface of the inner hole is matched with the outer peripheral surface of the stopper handle in a circumferential rotation-stopping manner, a set screw is also arranged on the hole wall of the inner hole, and the tail end of the set screw is matched and pressed on the outer peripheral surface of the stopper handle connecting section in a propping manner, so that the stopper handle is prevented from moving in the axial direction. Because the force blocking handle is matched with the regular polygon hole in a rotation stopping way, when the force blocking handle is located, the force blocking handle needs to slide to the position, which is separated from the connecting section by the blocking handle, along the axis, then the force blocking handle is rotated, the regular polygon hole of the force blocking handle is moved to the periphery of the matching section of the blocking handle, a circumferential positioning structure is formed by the outer contour of the connecting section of the blocking handle and the regular polygon hole, circumferential rotation stopping is realized through the contact of the surface and the surface, and the rotation stopping effect is good.
Claims (6)
1. A balance block adjusting wrench of a beam-pumping unit comprises a wrench main body and a force application stop handle;
the wrench main body comprises a cylinder body and a planet wheel speed reducing mechanism arranged in the cylinder body, wherein the front end of the balance block adjusting wrench is provided with an output shaft connected with the output end of the planet wheel speed reducing mechanism;
the force application stop handle is arranged at the front part of the barrel and is used for providing reverse torque for the wrench;
it is characterized in that the preparation method is characterized in that,
the front part of the cylinder body is provided with a stop lever connecting section, and an acting stop lever is sheathed on the stop lever connecting section along the axial direction of the cylinder body in a guiding way;
the force stopping handle is provided with a set screw which is used for positioning the force stopping handle on the handle connecting section along the axial direction of the cylinder body;
the force blocking handle and the blocking handle connecting section are provided with a circumferential positioning structure between each other, and the circumferential positioning structure is used for the force blocking handle to be adjustably arranged on the blocking handle connecting section along the circumferential position and to be in rotation stopping fit with the blocking handle connecting section after being adjusted in place.
2. The balance block adjusting wrench of a beam-pumping unit according to claim 1, wherein the outer peripheral surface of the connecting section of the stopper handle is a cylindrical surface, more than two sliding grooves extending in the axial direction of the cylinder body are formed on the cylindrical surface, the tail end of the set screw is an adaptive end extending into the sliding grooves, and the circumferential positioning structure is formed by the adaptive end of the set screw and the sliding grooves.
3. The balance weight adjusting wrench of a beam-pumping unit according to claim 1, wherein the outer contour of the connecting section of the stopper handle is a regular polygon, the opening of the stopper handle connecting section for being sleeved with the stopper handle upper portion is a regular polygon hole matched with the regular polygon, the end of the set screw is matched with the outer peripheral surface of the stopper handle connecting section, and the circumferential positioning structure is formed by the outer peripheral surface of the stopper handle connecting section and the regular polygon hole.
4. The balance weight adjusting wrench of a walking beam pumping unit according to claim 1, 2 or 3, wherein the top of the set screw extends out of the force stop handle, and the top of the set screw is provided with an operating handle convenient for wrenching.
5. The balance weight adjustment wrench of a walking beam pumping unit as claimed in claim 4, wherein the operating handle is a rotating rod passing through the top end of the set screw.
6. The balance weight adjusting wrench of a walking beam pumping unit according to claim 1, 2 or 3, wherein the end of the output shaft is provided with a gear for engaging with the rack, and the gear is fixed on the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921745994.4U CN211466176U (en) | 2019-10-17 | 2019-10-17 | Balance block adjusting wrench of beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921745994.4U CN211466176U (en) | 2019-10-17 | 2019-10-17 | Balance block adjusting wrench of beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211466176U true CN211466176U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921745994.4U Active CN211466176U (en) | 2019-10-17 | 2019-10-17 | Balance block adjusting wrench of beam-pumping unit |
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| CN (1) | CN211466176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847227A (en) * | 2020-12-31 | 2021-05-28 | 宁波赛维思机械有限公司 | Unload electronic torque wrench of power reversal formula |
| WO2022094601A1 (en) * | 2020-10-31 | 2022-05-05 | Armor Tool, Llc | Adjustable locking pliers and lock assembly |
-
2019
- 2019-10-17 CN CN201921745994.4U patent/CN211466176U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022094601A1 (en) * | 2020-10-31 | 2022-05-05 | Armor Tool, Llc | Adjustable locking pliers and lock assembly |
| CN112847227A (en) * | 2020-12-31 | 2021-05-28 | 宁波赛维思机械有限公司 | Unload electronic torque wrench of power reversal formula |
| CN112847227B (en) * | 2020-12-31 | 2022-05-17 | 宁波赛维思机械有限公司 | Unload electronic torque wrench of power reversal formula |
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