Arc-shaped righting structure for weight box of tower type pumping unit

Abstract

The utility model discloses a tower type pumping unit weight box arc-shaped righting structure which comprises a weight box, and a righting bottom plate is installed on the side edge of the weight box. A mounting assembly is arranged between the centralizing bottom plate and the weight box, the mounting assembly comprises a lock catch cavity formed in the weight box, a through hole is formed in the side edge of the lock catch cavity, a rectangular column penetrating through the centralizing bottom plate is inserted into the through hole, a threaded column is fixedly connected to the other end of the rectangular column, and the threaded column is fixedly connected to the centralizing bottom plate. A fixing ring is fixedly installed at the other end of the threaded column, a movable abutting rod is slidably connected to the interior of the threaded column, a stress plate is fixedly installed at the end, away from the rectangular column, of the movable abutting rod, and a first spring is fixedly connected between the stress plate and the inner side of the fixing ring. The fixing ring is pulled outwards, so that the rectangular column is pulled away from the through hole, then the centralizing bottom plate can be quickly connected with the weight box, and finally the weight box can be quickly disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of arc-shaped righting of a counterweight box of a tower-type oil pumping unit, in particular to an arc-shaped righting structure of a counterweight box of a tower-type oil pumping unit. Background Art

[0002] Publication No. CN212027753U discloses an arc-shaped straightening device for a counterweight box of a tower-type oil pump, including a straightening device assembly, a track assembly, a truss and a counterweight box; the straightening device assembly includes a straightening wheel, a straightening wheel seat, a pin shaft, a bolt, a pressure plate, a straightening wheel seat adjustment hole, an adjustment nut, a bearing, a top screw, and a straightening wheel seat hole; the track assembly includes a track, a track pressure plate, and a clamping bolt; the straightening device assembly is located on the upper plane of the counterweight box and extends out of the edge of the counterweight box, the straightening device assembly moves along the track direction, the straightening wheel contacts the track and rolls along the track, and the straightening wheel is simply adjusted by protruding the distance of the straightening device from the edge of the counterweight box, and the arc radius of the straightening wheel is appropriately increased to achieve the effect of increasing the life of the straightening wheel on the straightening device. After the device is applied, the life of the straightening wheel on the straightening device is increased by 0.5 years, which is suitable for promotion and application, but the patent still has the following problems in actual use:

[0003] The above-mentioned device controls the distance that the straightening device protrudes from the edge of the counterweight box by rotating the bolts, but the bolts are fixed by spiral texture. In this device, the bolts in the counterweight box not only play the role of adjusting the distance, but also play the role of connecting the counterweight box. Under the condition of long-term high-intensity collision and frequent rotation adjustment, the spiral texture may be damaged, resulting in the thread slippage in the counterweight box, which in turn causes the installation of the entire counterweight box to be unstable.

[0004] An arc-shaped righting structure of a tower-type oil pumping unit counterweight box is proposed to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide an arc-shaped straightening structure for the counterweight box of a tower-type oil pumping unit, so as to solve the problem that the bolts proposed in the above-mentioned background technology not only play the role of adjusting the distance, but also play the role of connecting the counterweight box. Therefore, the spiral texture may be damaged under long-term adjustment, resulting in thread slippage of the threads inside the counterweight box, which in turn causes local damage to the counterweight box, and finally causes the installation of the entire counterweight box to be unstable.

[0006] To achieve the above object, the utility model provides the following technical solutions: an arc-shaped righting structure of a tower-type oil pumping unit counterweight box, comprising a counterweight box, a righting bottom plate is installed on the side of the counterweight box, and a slide rail is slidably installed on the righting bottom plate;

[0007] An installation component is arranged between the straightening base plate and the counterweight box, and the installation component includes a locking cavity opened inside the counterweight box, a through hole is opened on the side of the locking cavity, a rectangular column passing through the straightening base plate is inserted into the through hole, a threaded column is fixedly connected to the other end of the rectangular column, a fixing ring is fixedly installed on the other end of the threaded column, a movable push rod is slidably connected inside the threaded column, a force plate is fixedly installed on the end of the movable push rod away from the rectangular column, and a first spring is fixedly connected between the force plate and the inner side of the fixing ring.

[0008] Preferably, a resistance cavity is provided inside one end of the rectangular column inserted into the lock cavity, square grooves are evenly provided on the outside of the resistance cavity, a resistance block is slidably connected in the square groove, an inclined force-bearing surface is provided on one side of the resistance block located inside the resistance cavity, and a threaded rotating sleeve is provided on the outside of the threaded column.

[0009] Preferably, the inclined force-bearing surface is provided on one side of the stop block close to the threaded column, an auxiliary plate is fixedly installed on the bottom of the other side of the stop block away from the inclined force-bearing surface, and a second spring is fixedly installed between the auxiliary plate and the inner wall of the stop cavity.

[0010] Preferably, the movable support rod passes through the rectangular column and extends into the support cavity, an inclined surface is provided at one end of the movable support rod away from the force-bearing plate, the movable support rod is fitted with the support block, and a plurality of distance gaskets sleeved on the outside of the rectangular column are installed between the straightening base plate and the counterweight box.

[0011] Preferably, a straightening assembly is provided on the surface of the straightening base plate, and the straightening assembly includes straightening arc plates symmetrically arranged on both sides of the slide rail, the straightening arc plates are fixedly connected to the straightening base plate, the outer side of the straightening arc plate is rotatably connected to a screw button, the middle part of the screw button is slidably threadedly connected to a bolt column, and the bolt column is through-connected to the straightening arc plate.

[0012] Preferably, one end of the bolt column close to the slide rail is fixedly connected to a movable column, and the other end of the movable column is rotatably mounted with a straightening wheel.

[0013] Preferably, the two sides of the movable column are symmetrically fixedly connected with limit bars, and the limit bars are slidably connected with a rotation limiting groove opened inside the straightening circular arc plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the arc-shaped righting structure of the counterweight box of the tower-type oil pumping unit can be pulled outward to make the fixing ring so that the rectangular column can be pulled out of the through hole, so that the righting bottom plate can be quickly separated from the counterweight box, and finally the counterweight box can be quickly disassembled. The specific contents are as follows:

[0015] 1. By allowing the threaded sleeve to no longer squeeze the straightening base plate, and then pulling the force plate outward, the movable support rod is pulled horizontally, thereby breaking away from the squeezing of the support block, so that the support block slides along the square groove into the support cavity due to the push of the second spring, and then can be pulled outward to allow the fixing ring to pull the rectangular column out of the through hole, ultimately allowing the straightening base plate to be quickly separated from the counterweight box, and then the counterweight box can be quickly disassembled.

[0016] 2. The bolt column is moved by rotating the nut, thereby pushing the moving column to move along the direction of the rotation limiting groove, so as to quickly adjust and fine-tune the distance between the two straightening wheels and the slide rail, and the operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 It is a side structural schematic diagram of the counterweight box;

[0020] Figure 4 It is a schematic diagram of the structure of the installation component;

[0021] Figure 5 It is a schematic diagram of the installation structure of the support block and the rectangular column.

[0022] In the figure: 1. counterweight box; 101. slide rail; 102. straightening base plate; 2. mounting assembly; 201. locking cavity; 202. through hole; 203. rectangular column; 204. threaded column; 205. fixing ring; 206. movable support rod; 207. force plate; 208. first spring; 209. threaded sleeve; 210. support cavity; 211. square groove; 212. support block; 213. auxiliary plate; 214. second spring; 215. distance gasket; 3. straightening assembly; 301. straightening arc plate; 302. screw button; 303. bolt column; 304. movable column; 305. limit strip; 306. rotation limit groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides a technical solution: a tower-type oil pump counterweight box arc-shaped righting structure, comprising a counterweight box 1, a righting bottom plate 102 is installed on the side of the counterweight box 1, and a slide rail 101 is slidably installed on the righting bottom plate 102;

[0025] An installation component 2 is arranged between the straightening base plate 102 and the counterweight box 1, and the installation component 2 includes a locking cavity 201 opened inside the counterweight box 1, and a through hole 202 is opened on the side of the locking cavity 201, and a rectangular column 203 that passes through the straightening base plate 102 is inserted into the through hole 202, and a threaded column 204 is fixedly connected to the other end of the rectangular column 203, and a fixing ring 205 is fixedly installed on the other end of the threaded column 204, and a movable push rod 206 is slidably connected inside the threaded column 204, and a force plate 207 is fixedly installed on the end of the movable push rod 206 away from the rectangular column 203, and a first spring 208 is fixedly connected between the force plate 207 and the inner side of the fixing ring 205; the first spring 208 will push the movable push rod 206 to maintain the position inserted into the push cavity 210, and the width of the force plate 207 is greater than the fixing ring 205, which is convenient for the staff to pull the movable push rod 206.

[0026] A cavity 210 is provided inside one end of the rectangular column 203 inserted into the lock cavity 201, and square grooves 211 are evenly provided on the outside of the cavity 210. A stop block 212 is slidably connected in the square groove 211. An inclined force-bearing surface is provided on one side of the stop block 212 located inside the cavity 210, and a threaded sleeve 209 is provided on the outside of the threaded column 204. When in use, the threaded sleeve 209 will cooperate with the stop block 212 to allow the rectangular column 203 to be stably inserted.

[0027] An inclined force-bearing surface is provided on one side of the stop block 212 close to the threaded column 204, and an auxiliary plate 213 is fixedly installed on the bottom of the other side of the stop block 212 away from the inclined force-bearing surface, and a second spring 214 is fixedly installed between the auxiliary plate 213 and the inner wall of the stop cavity 210; the second spring 214 can push the stop block 212 to slide into the stop cavity 210, and the inclined force-bearing surface contacts and squeezes the inclined surface of the movable stop rod 206, so that the movable stop rod 206 can squeeze the stop block 212 to both sides.

[0028] The movable abutment rod 206 passes through the rectangular column 203 and extends into the abutment cavity 210. An inclined surface is provided on the end of the movable abutment rod 206 away from the force-bearing plate 207. The movable abutment rod 206 is fitted with the abutment block 212. A number of distance gaskets 215 sleeved on the outside of the rectangular column 203 are installed between the righting base plate 102 and the counterweight box 1. When reinstalling the righting base plate 102 and the counterweight box 1, different numbers and thicknesses of distance gaskets 215 can be selected to control the distance between the righting base plate 102 and the counterweight box 1. The distance can be flexibly adjusted to increase the adaptability of the righting function of the entire device.

[0029] A straightening assembly 3 is provided on the surface of the straightening base plate 102, and the straightening assembly 3 includes straightening arc plates 301 symmetrically arranged on both sides of the slide rail 101, the straightening arc plates 301 are fixedly connected to the straightening base plate 102, a screw button 302 is rotatably connected to the outer side of the straightening arc plate 301, a bolt column 303 is slidably threadedly connected to the middle part of the screw button 302, and the bolt column 303 is connected to the straightening arc plate 301 through.

[0030] One end of the bolt column 303 close to the slide rail 101 is fixedly connected to a moving column 304, and the other end of the moving column 304 is rotatably installed with a straightening wheel; the two sides of the moving column 304 are symmetrically fixedly connected to limit bars 305, and the limit bars 305 are slidably connected to a limiting groove 306 opened inside the straightening arc plate 301; rotating the screw button 302 makes the bolt column 303 move, thereby pushing the moving column 304 to move along the direction of the limiting groove 306.

[0031] Working principle: Before using this tower type oil pump counterweight box arc-shaped straightening structure, it is necessary to first check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 5 As shown, when the counterweight box 1 needs to be disassembled, the threaded sleeve 209 is first rotated so that the threaded sleeve 209 no longer squeezes the straightening base plate 102, and then the force-bearing plate 207 is pulled outward, so that the movable support rod 206 is pulled horizontally, thereby breaking away from the squeezing of the support block 212, so that the support block 212 slides along the square groove 211 into the support cavity 210 due to the push of the second spring 214, until the support block 212 completely enters the support cavity 210, at this time, the fixing ring 205 can be pulled outward to make the rectangular column 203 withdrawn from the through hole 202, and finally the straightening base plate 102 can be quickly separated from the counterweight box 1, and then the counterweight box 1 can be quickly disassembled;

[0032] When reinstalling the righting base plate 102 and the counterweight box 1, different numbers and thicknesses of distance spacers 215 can be selected so that the distance between the righting base plate 102 and the counterweight box 1 can be flexibly adjusted, thereby increasing the adaptability of the righting function of the entire device;

[0033] When the distance between the two straightening wheels and the slide rail needs to be fine-tuned, it is only necessary to rotate the nut 302 to move the bolt column 303, thereby pushing the moving column 304 to move along the direction of the rotation limiting groove 306, and the operation is convenient and quick.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tower-type oil pumping unit counterweight box arc-shaped righting structure, comprising a counterweight box (1), a righting base plate (102) being installed on the side of the counterweight box (1), and a slide rail (101) being slidably installed on the righting base plate (102); It is characterized in that Also includes: A mounting assembly (2) is provided between the straightening base plate (102) and the counterweight box (1), and the mounting assembly (2) comprises a locking cavity (201) provided inside the counterweight box (1), a through hole (202) being provided on the side of the locking cavity (201), a rectangular column (203) penetrating the straightening base plate (102) being inserted into the through hole (202), a threaded column (204) being fixedly connected to the other end of the rectangular column (203), a fixing ring (205) being fixedly installed to the other end of the threaded column (204), a movable push rod (206) being slidably connected inside the threaded column (204), a force-bearing plate (207) being fixedly installed at one end of the movable push rod (206) away from the rectangular column (203), and a first spring (208) being fixedly connected between the force-bearing plate (207) and the inner side of the fixing ring (205).

2. The arc-shaped righting structure of the counterweight box of a tower-type oil pumping unit according to claim 1, characterized in that: A resisting cavity (210) is provided inside one end of the rectangular column (203) inserted into the lock cavity (201), and square grooves (211) are evenly provided on the outside of the resisting cavity (210). A resisting block (212) is slidably connected in the square groove (211), and an inclined force-bearing surface is provided on one side of the resisting block (212) located inside the resisting cavity (210), and a threaded sleeve (209) is sleeved on the outside of the threaded column (204).

3. The arc-shaped righting structure of the counterweight box of a tower-type oil pumping unit according to claim 2 is characterized in that: The inclined force-bearing surface is provided on one side of the stop block (212) close to the threaded column (204), an auxiliary plate (213) is fixedly installed at the bottom of the other side of the stop block (212) away from the inclined force-bearing surface, and a second spring (214) is fixedly installed between the auxiliary plate (213) and the inner wall of the stop cavity (210).

4. The arc-shaped righting structure of the counterweight box of a tower-type oil pumping unit according to claim 1 is characterized in that: The movable support rod (206) passes through the rectangular column (203) and extends into the support cavity (210). An inclined surface is provided at one end of the movable support rod (206) away from the force-bearing plate (207). The movable support rod (206) is fitted with a support block (212). A plurality of distance gaskets (215) sleeved on the outside of the rectangular column (203) are installed between the straightening base plate (102) and the counterweight box (1).

5. The arc-shaped righting structure of the counterweight box of a tower-type oil pumping unit according to claim 1 is characterized in that: A straightening assembly (3) is arranged on the surface of the straightening base plate (102), and the straightening assembly (3) comprises straightening circular arc plates (301) symmetrically arranged on both sides of the slide rail (101), the straightening circular arc plates (301) are fixedly connected to the straightening base plate (102), a screw button (302) is rotatably connected to the outer side of the straightening circular arc plate (301), a bolt column (303) is slidably threadedly connected to the middle part of the screw button (302), and the bolt column (303) is connected to the straightening circular arc plate (301) through and through.

6. The arc-shaped righting structure of the counterweight box of a tower-type oil pumping unit according to claim 5, characterized in that: One end of the bolt column (303) close to the slide rail (101) is fixedly connected to a moving column (304), and the other end of the moving column (304) is rotatably mounted with a straightening wheel.

7. The arc-shaped righting structure of the counterweight box of a tower-type oil pumping unit according to claim 6, characterized in that: The two sides of the movable column (304) are symmetrically fixedly connected to limit bars (305), and the limit bars (305) are slidably connected to a rotation limiting groove (306) provided inside the straightening circular arc plate (301).

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