Hydraulic elevator test device with hoisting and deflection functions

Abstract

The invention relates to a hydraulic elevator test device with hoisting and deflection functions, and belongs to the technical field of elevator test, the hydraulic elevator test device comprises a base, and the base is provided with a first test mechanism and a second test mechanism; the first test mechanism comprises a stand column, a first simulation drill rod and two hanging rings, the stand column and the first simulation drill rod are vertically arranged, the bottom end of the stand column is rotationally connected with the base, the stand column is driven by a first driving assembly to rotate, the bottom end of the first simulation drill rod is connected with the base, and the stand column is provided with a lifting frame; the lifting frame is connected with the stand column in an up-down sliding mode, the lifting frame is driven by a first hydraulic cylinder to ascend and descend, and an adjusting pipe frame is arranged at the upper end of the lifting frame. Reliable technical support is provided for research, development and production of the hydraulic elevator, and the hydraulic elevator has remarkable market application value.

Description

Technical Field

[0001] The invention relates to a hydraulic elevator test device with lifting and deflection functions, belonging to the technical field of elevator tests. Background Art

[0002] Hydraulic elevators and hydraulic chucks / slips are widely used in drilling and well repair and other fields. The quality of their performance directly affects the safety and efficiency of the operation. At present, there is still a lack of test equipment on the market that can comprehensively test hydraulic elevators and hydraulic chucks / slips under various working conditions and test the products for a long time. Especially in terms of the lifting function and yaw function of hydraulic elevators, it is also suitable for the torque test function of hydraulic chucks / slips, as well as the interlocking test tooling between hydraulic elevators and hydraulic chucks / slips.

[0003] For example, in the testing of hydraulic elevators, the existing technology still has problems such as single testing method, manual testing, long time consumption, low intelligence, and inability to adapt to various models and specifications of elevators.

[0004] The existing hydraulic chuck / slip test fixture is too simple to test, and can only test torque, but cannot cooperate with the hydraulic elevator interlock test.

[0005] Therefore, a hydraulic elevator test device with lifting and deflection functions, a chuck torsion test and a hydraulic elevator and chuck interlocking test device are developed to test the reliability of hydraulic elevators, the torsion resistance of hydraulic chucks / slips, and the safety of hydraulic elevator and chuck interlocking. At the same time, the machine language program is edited to complete the automatic operation of the machine, reduce the handling of hydraulic elevators and hydraulic chucks / slips, and the waste of other manual time. It is of great significance to the design reliability, use safety and labor efficiency of hydraulic elevators and hydraulic chucks / slips. Summary of the invention

[0006] The technical problem to be solved by the present invention is: in order to overcome the shortcomings of the prior art, a hydraulic elevator test device with lifting and deflection functions is provided to test the torque of the hydraulic chuck / slip and realize the interlocking simulation of the hydraulic chuck / slip of the hydraulic elevator. The tooling can simulate the actual working conditions of the hydraulic elevator and the hydraulic chuck / slip, and perform multi-directional performance tests on the hydraulic elevator, such as hydraulic pipeline durability test, hydraulic elevator impact point test, and lining wear test, etc.; the hydraulic chuck / slip can be tested for torsion resistance; the hydraulic chuck / slip of the hydraulic elevator is tested for interlocking, and through long-term simulation, the problems of the hydraulic elevator and the hydraulic chuck / slip are discovered, and their design and manufacturing quality are improved.

[0007] The technical solution adopted by the present invention to solve the above-mentioned problem is: a hydraulic elevator test device with lifting and deflection functions, comprising a base, on which a first test mechanism and a second test mechanism are arranged; The first test mechanism comprises a column, a first simulated drill rod and two lifting rings, the column and the first simulated drill rod are arranged vertically, the bottom end of the column is rotatably connected to the base, the column is driven to rotate by the first driving assembly, the bottom end of the first simulated drill rod is connected to the base, the column is provided with a lifting frame, the lifting frame is slidably connected to the column up and down, the lifting frame is driven to rise and fall by the first hydraulic cylinder, the upper end of the lifting frame is provided with an adjusting pipe rack, the two lifting rings are symmetrically arranged on the front and rear sides of the lifting frame, the lifting ring is tilted, the two ends of the lifting ring are respectively a large head end and a small head end, the large head end of the lifting ring is annular, the large head end of the lifting ring is suspended on the adjusting pipe rack, the small head ends of the two lifting rings are buckled and connected with a rotating arm, the adjusting pipe rack and the rotating arm are distributed up and down, the middle end of the lifting ring is connected with a second hydraulic cylinder, the cylinder body of the second hydraulic cylinder is hinged to the lifting frame, and the piston end of the second hydraulic cylinder is hinged to the lifting ring; The second test mechanism is located on a side of the column away from the first simulated drill rod; The second test mechanism comprises a rotating sleeve, a second simulated drill rod and a fixed block, wherein the rotating sleeve is tubular, arranged vertically, rotatably connected to the base, and driven to rotate by a second driving assembly, the second simulated drill rod is coaxially arranged with the rotating sleeve, a square bearing is provided at the bottom end of the second simulated drill rod, the second simulated drill rod passes through the rotating sleeve, and the fixed block is located below the square bearing; The top of the rotating sleeve is provided with two slots, and the inner peripheral wall of the rotating sleeve is provided with a first step; The base is provided with a mounting hole, which is a blind hole. The base is also provided with a through hole, which is coaxially arranged with the mounting hole, has a smaller aperture than the mounting hole, and extends to the bottom of the base.

[0008] Preferably, a first slide rail is provided on the column, the first slide rail is arranged vertically, and a straightening roller is connected to the lifting frame.

[0009] Preferably, a reinforcing rib is provided at the bottom end of the column, the cylinder body of the first hydraulic cylinder is hinged to the reinforcing rib, and the piston end of the first hydraulic cylinder is hinged to the lifting frame.

[0010] Preferably, the diameter of the large end of the lifting ring is larger than the diameter of the adjusting pipe rack, and a plurality of connecting holes are arranged on the adjusting pipe rack, and the plurality of connecting holes are distributed along the front-to-back direction, and a fixing pin is fixedly inserted in one of the connecting holes, and the fixing pin is located on the side of the lifting ring away from the lifting frame.

[0011] Preferably, the piston end of the second hydraulic cylinder is rotatably connected to a connecting seat, a slide groove is provided on the connecting seat, a connecting plate is fixedly provided on the lifting ring, the connecting plate is detachably fixedly connected to the lifting ring by a U-shaped bolt and a nut, a convex strip is provided on the connecting plate, the convex strip is parallel to the front and rear directions, the convex strip matches the slide groove, and the convex strip is slidably connected to the slide groove.

[0012] Preferably, the slide groove is a dovetail groove.

[0013] Preferably, a strip groove is provided on the outer side of the bottom end of the first simulated drill rod, the strip groove is arranged vertically, a second slide rail is slidably connected in the strip groove, and the second slide rail is fixedly arranged on the base.

[0014] Preferably, the first drive assembly includes a first motor, a first drive gear and a first driven gear, the first drive gear is mounted on the first motor, the housing of the first motor is fixedly disposed on a column, the first driven gear is coaxially arranged with the column, the first drive gear is meshed with the first driven gear, the first driven gear is fixedly connected to the base, and the column is rotatably connected to the base.

[0015] Preferably, the second driving assembly includes a second motor, a second driving gear and a second driven gear, the housing of the second motor is fixedly connected to the base, the second driving gear is mounted on the second motor, the second driven gear is mounted on the outer peripheral wall of the rotating sleeve, and the second driving gear is meshed with the second driven gear.

[0016] Preferably, a support bearing is provided at the top of the mounting hole, and the support bearing is used to support and limit the rotation of the rotating sleeve around the axis of the rotating sleeve.

[0017] Compared with the prior art, the advantages of the present invention are: The invention discloses a hydraulic elevator test device with lifting and deflection functions, which can effectively improve the test efficiency of hydraulic elevators and match various tonnage elevators, monitor the test accuracy through various sensors, provide reliable technical support for the research and development and production of hydraulic elevators, and has significant market application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the installation structure of a hydraulic elevator test device with lifting and deflection functions of the present invention; Figure 2 It is a left view of a hydraulic elevator test device with lifting and deflection functions of the present invention; Figure 3 A top view of a hydraulic elevator test device with lifting and deflection functions according to the present invention; Figure 4An exploded view of a hydraulic elevator test device with lifting and deflection functions according to the present invention; Figure 5 for Figure 1 A magnified view of part A; Figure 6 for Figure 4 A magnified view of part B; Figure 7 for Figure 4 Enlarged view of part C; Figure 8 It is a front view of the hydraulic elevator of the present invention when it is opened and returned to its original position; Fig. 9 for Figure 8 A top view of Fig.10 This is a front view of the hydraulic elevator of the present invention with the deflection open; Fig.11 for Fig.10 A top view of Fig.12 It is a front view of the hydraulic elevator of the present invention striking the first simulated drill pipe (before the hydraulic elevator is closed); Fig.13 for Fig.12 A top view of Fig.14 It is a front view of the hydraulic elevator of the present invention striking the first simulated drill pipe (after the hydraulic elevator is closed); Fig.15 for Fig.14 A top view of Fig.16 It is a front view of the hydraulic elevator of the present invention lifting the first simulated drill pipe; Fig.17 for Fig.16 A top view of Fig.18 This is a front view of the driving column of the present invention during rotation; Fig.19 for Fig.18 A top view of Fig. 20 This is a front view of the driving column of the present invention after the rotation stops; Fig.21 for Fig. 20 A top view of Fig. 22 It is a front view of the hydraulic elevator of the present invention striking the second simulated drill pipe (before the hydraulic elevator is closed); Fig.23 for Fig. 22 A top view of Fig.24 It is a front view of the hydraulic elevator of the present invention striking the second simulated drill pipe (after the hydraulic elevator is closed); Fig.25 for Fig.24 A top view of Fig.26 It is a front view of the hydraulic elevator of the present invention lifting the second simulated drill pipe; Fig. 27 for Fig.26 Top view of the .

[0019] in: Base 1, first test mechanism 2, second test mechanism 3, hydraulic elevator 4, lifting lug 5, chuck / slip 6, lug plate 7, second step 8, cement floor 9; Column 201, first simulated drill rod 202, lifting ring 203, first driving assembly 204, lifting frame 205, first hydraulic cylinder 206, first slide rail 207, straightening roller 208, reinforcing rib 209, adjusting pipe rack 210, connecting hole 211, fixing pin 212, rotating arm 213, second hydraulic cylinder 214, connecting seat 215, slide groove 216, connecting plate 217, U-bolt 218, nut 219, convex strip 220, strip groove 221, second slide rail 222; A first motor 2041, a first driving gear 2042, and a first driven gear 2043; Rotating sleeve 301, second simulated drill rod 302, fixing block 303, second driving assembly 304, square bearing 305, slot 306, first step 307, mounting hole 308, supporting bearing 309, through hole 310; A second motor 3041 , a second driving gear 3042 , and a second driven gear 3043 . DETAILED DESCRIPTION

[0020] like Figure 1-27 As shown, a hydraulic elevator test device with lifting and deflection functions in this embodiment comprises a base 1, on which a first test mechanism 2 and a second test mechanism 3 are arranged, wherein the first test mechanism 2 is used to implement a deflection function test and a lifting test of a hydraulic elevator 4, and the second test mechanism 3 is used to implement a torque test of a hydraulic chuck / slip 6, a wear life test of an inner lining of the hydraulic elevator 4, and an interlocking test between the hydraulic elevator 4 and the hydraulic chuck / slip 6; The first test mechanism 2 includes a column 201, a first simulated drill rod 202 and two lifting rings 203. The column 201 and the first simulated drill rod 202 are arranged vertically. The bottom end of the column 201 is rotatably connected to the base 1. The column 201 is driven to rotate by a first driving assembly 204. The bottom end of the first simulated drill rod 202 is connected to the base 1. The column 201 is provided with a lifting frame 205. The lifting frame 205 is connected to the column 201 in an up-and-down sliding manner. The lifting frame 205 is driven to rise and fall by a first hydraulic cylinder 206. The column 201 is provided with a first slide rail 207, which is arranged vertically. The lifting frame 205 is connected with a straightening roller 208, and the lifting frame 205 is straightened and friction is reduced by the straightening roller 208. The bottom end of the column 201 is provided with a reinforcing rib 209, the cylinder body of the first hydraulic cylinder 206 is hinged to the reinforcing rib 209, and the piston end of the first hydraulic cylinder 206 is hinged to the lifting frame 205. The upper end of the lifting frame 205 is provided with an adjusting pipe rack 210, and two lifting rings 203 are symmetrically arranged on the lifting frame 20 5, the lifting ring 203 is arranged obliquely, the two ends of the lifting ring 203 are respectively a large head end and a small head end, the large head end of the lifting ring 203 is annular, the large head end of the lifting ring 203 is suspended on the adjusting pipe rack 210, the large head end of the lifting ring 203 has a diameter greater than the diameter of the adjusting pipe rack 210, and since the distances between the two lifting ears 5 on the lifting cards of different specifications are different, a plurality of connecting holes 211 are arranged on the adjusting pipe rack 210, and the plurality of connecting holes 211 are distributed along the front and rear directions, and a fixing pin is fixedly inserted in one of the connecting holes 211 212, the fixing pin 212 is located on the side of the lifting ring 203 away from the lifting frame 205, and the distance between the two lifting rings 203 can be adjusted by inserting the fixing pin 212 into different holes to adapt to different specifications of the lifting cards. The small ends of the two lifting rings 203 are both buckled and connected with the rotating arm 213, and the adjusting pipe rack 210 and the rotating arm 213 are distributed up and down. The middle end of the lifting ring 203 is connected with the second hydraulic cylinder 214, the cylinder body of the second hydraulic cylinder 214 is hinged to the lifting frame 205, and the piston end of the second hydraulic cylinder 214 is hinged to the lifting ring 203; The piston end of the second hydraulic cylinder 214 is rotatably connected with a connecting seat 215, and a slide groove 216 is provided on the connecting seat 215. A connecting plate 217 is fixedly provided on the lifting ring 203, and the connecting plate 217 is detachably fixedly connected with the lifting ring 203 through a U-shaped bolt 218 and a nut 219. A convex strip 220 is provided on the connecting plate 217, and the convex strip 220 is parallel to the front-back direction, and the convex strip 220 matches the slide groove 216. The convex strip 220 is slidably connected with the slide groove 216, and the slide groove 216 is a dovetail groove. Through the cooperation between the convex strip 220 and the slide groove 216, the sliding between the connecting plate 217 and the connecting rod connecting seat 215 is satisfied; A strip groove 221 is provided on the outer side of the bottom end of the first simulated drill rod 202, and the strip groove 221 is arranged vertically. A second slide rail 222 is slidably connected in the strip groove 221, and the second slide rail 222 is fixedly arranged on the base 1. Through the cooperation between the strip groove 221 and the second slide rail 222, the first simulated drill rod 202 can generate relative movement with the base 1 in the up-and-down direction; The upper end of the first simulated drill rod 202 has a taper; The first driving assembly 204 includes a first motor 2041, a first driving gear 2042 and a first driven gear 2043. The first driving gear 2042 is mounted on the first motor 2041. The housing of the first motor 2041 is fixedly disposed on the column 201. The first driven gear 2043 is coaxially arranged with the column 201. The first driving gear 2042 meshes with the first driven gear 2043. The first driven gear 2043 is fixedly connected to the base 1. The column 201 is rotatably connected to the base 1. During the test, the two lifting ears 5 on the hydraulic elevator 4 are connected to the two rotating arms 213 respectively. In fact, the hydraulic elevator 4 is connected with a control system, which can control the opening of the hydraulic elevator 4 and collect the elevator closing signal function, and control the extension and retraction of the first hydraulic cylinder 206 to complete the lifting and lowering action of the hydraulic elevator 4, and control the extension and retraction of the second hydraulic cylinder 214 to complete the swing action of the lifting ring 203; When the hydraulic elevator 4 is in the open state, the rotating arm 213 drives the hydraulic elevator 4 to rotate. When the hydraulic elevator 4 is opened, it collides with the first simulated drill rod 202, and the door of the hydraulic elevator 4 is automatically closed. When the hydraulic elevator 4 is closed, the rotating arm 213 and the elevator hydraulic elevator 4 are in a floating state, and a closing signal is output at the same time, which is an inherent property of the product; The control system has multiple test modes and can collect and store test data in real time. It cooperates with the data monitoring system of the host to record and analyze various parameters during the test, including lifting force, yaw angle, force conditions, etc. It can also collect the elevator closing signal function. The system is equipped with an alarm function to ensure safety during the test. The test method for the sway function of the hydraulic elevator 4 includes the following steps: Step S1-1, control the hydraulic elevator 4 to open; Step S1-2, the second hydraulic cylinder 214 retracts; Step S1-3, controlling the rotating arm 213 to rotate; Step S1-4, control the rotating arm 213 to return to the normal position; During this period, a first pressure sensor and a first displacement sensor may be adapted, the first pressure sensor being used to monitor the working pressure of the hydraulic system, and the first displacement sensor being used to record the lifting height of the hydraulic elevator 4; The lifting test method of the hydraulic elevator 4 comprises the following steps: Step S2-1, the second hydraulic cylinder 214 extends; Step S2-2, when the hydraulic elevator 4 touches the first simulated drill rod 202, the hydraulic elevator 4 is automatically closed; Step S2-3, the rotating arm 213 floats automatically; Step S2-4, the first hydraulic cylinder 206 extends and the hydraulic elevator 4 is lifted; Step S2-5, the first hydraulic cylinder 206 retracts, and the hydraulic elevator 4 falls; Step S2-6, giving an opening signal to open the hydraulic elevator 4; Step S2-7, step S2-1 to step S2-6 cycle test; During this period, a second pressure sensor and a second displacement sensor may be adapted, the second pressure sensor is used to monitor the working flow of the hydraulic system, and the second displacement sensor is used to record the swing angle of the lifting ring 203; In addition, during the sway and lifting test of the hydraulic elevator 4, the stability of the hydraulic system of the hydraulic elevator 4 and whether the signal function output is normal can be tested at the same time; The second test mechanism 3 is located on a side of the column 201 away from the first simulated drill rod 202; The second test mechanism 3 includes a rotating sleeve 301, a second simulated drill rod 302 and a fixed block 303. The rotating sleeve 301 is tubular and arranged vertically. The rotating sleeve 301 is rotatably connected to the base 1. The rotating sleeve 301 is driven to rotate by a second driving assembly 304. The second simulated drill rod 302 is coaxially arranged with the rotating sleeve 301. A square bearing 305 is provided at the bottom end of the second simulated drill rod 302. The second simulated drill rod 302 passes through the rotating sleeve 301. The fixed block 303 is located below the square bearing 305. Two slots 306 are provided at the top of the rotating sleeve 301, and a first step 307 is provided on the inner peripheral wall of the rotating sleeve 301; The second driving assembly 304 includes a second motor 3041, a second driving gear 3042 and a second driven gear 3043. The housing of the second motor 3041 is fixedly connected to the base 1. The second driving gear 3042 is mounted on the second motor 3041. The second driven gear 3043 is mounted on the outer peripheral wall of the rotating sleeve 301. The second driving gear 3042 is meshed with the second driven gear 3043. The top of the base 1 is provided with a mounting hole 308, which is a blind hole. A plurality of support bearings 309 are provided at the top of the mounting hole 308, which are used to support and limit the rotation of the rotating sleeve 301 around the axis of the rotating sleeve 301 to prevent the rotating sleeve 301 from deviating. The base 1 is also provided with a through hole 310, which is coaxially arranged with the mounting hole 308, and has a smaller aperture than the mounting hole 308. The through hole 310 extends to the bottom of the base 1, and the hydraulic chuck / slip 6 can be inserted into the through hole 310. The top end of the second simulated drill rod 302 is provided with a taper; During the test, the hydraulic chuck / slip 6 is inserted into the rotating sleeve 301, and the hydraulic chuck / slip 6 is placed on the first step 307, and the second simulated drill rod 302 is inserted into the chuck / slip 6. At the same time, the two ear plates 7 on the chuck / slip 6 are respectively inserted into the two slots 306, the fixing block 303 is fixed in the cement floor 9, and the base 1 is placed on the surface of the cement floor 9. In fact, the chuck / slip 6 is provided with a second step 8, and the second step 8 is in contact with the top of the first step 307. When the second motor 3041 is started, the second driving gear 3042 is rotated, and the rotation of the second driving gear 3042 drives the rotating sleeve 301 to rotate through the second driven gear 3043; When the hydraulic chuck / slip 6 is clamped with the second simulated drill rod 302, if the square bearing 305 is inserted into the square fixing block 303, the second simulated drill rod 302 cannot rotate, and the hydraulic chuck / slip 6 has a rotational force, so the torsion test is realized. If the hydraulic elevator 4 lifts the second simulated drill rod 302, the square bearing 305 is not inserted into the square fixing block 303. At this moment, the second simulated drill rod 302 can rotate freely, and the wear life test of the liner of the hydraulic elevator 4 can be tested. During the test, the third pressure sensor can be adapted, and the third pressure sensor can be used to convert it into torque, and the number of rotations can be detected to monitor the hydraulic chuck / slip 6. The torque is too large, or the tooth surface contact is poor, resulting in the slipping of the pipe string. The program is completed to complete the slipping pressure relief function; At the same time, by detecting the number of rotations, the first motor 2041 can be controlled to rotate the column 201, so that after the hydraulic elevator 4 is buckled and hoisted the second simulated drill rod 302, the hydraulic chuck / slip 6 clamps the second simulated drill rod 302, and the second simulated drill rod 302 can rotate freely, that is, the wear life of the liner of the hydraulic elevator 4 is tested; The hydraulic chuck / slip 6 torque test method comprises the following steps: Step S3-1, control the hydraulic chuck / slip 6 to open; Step S3-2, placing the second simulated drill rod 302 in the middle of the hydraulic chuck / slip 6, and inserting the square bearing 305 into the fixed block 303; Step S3-3, controlling the second motor 3041 to rotate; Step S3-4, calculating the torque by the working pressure, if the chuck / slip 6 does not slip, it is judged as qualified, if it slips, it is judged as unqualified; The hydraulic elevator 4 inner lining wear life test method comprises the following steps: Step S4-1, control the hydraulic chuck / slip 6 to open; Step S4-2, placing the second simulated drill rod 302 in the middle of the control hydraulic chuck / slip 6, and inserting the square bearing 305 into the fixed block 303; Step S4-3, control the hydraulic elevator 4 to open; Step S4-4, the second hydraulic cylinder 214 retracts; Step S4-5, controlling the first motor 2041 to rotate the column 201; Step S4-6, stop controlling the first motor 2041; Step S4-7, the second hydraulic cylinder 214 extends; Step S4-8, after the hydraulic elevator 4 touches the drilling tool, the hydraulic elevator 4 is automatically closed; Step S4-9, the rotating arm 213 floats automatically; Step S4-10, the first hydraulic cylinder 206 extends and the hydraulic elevator 4 is lifted; Step S4-11, controlling the hydraulic chuck / slip 6 to clamp the second simulated drill rod 302; Step S4-12, control the second motor 3041 to work, and the working time is 48 hours; After 48 hours of rotation, check the wear of the inner lining of the hydraulic elevator 4 and strengthen its hardness at its weak points; The interlocking test method of the hydraulic elevator 4 and the hydraulic chuck / slip 6 comprises the following steps: Step S5-1, control the hydraulic chuck / slip 6 to open; Step S5-2, placing the second simulated drill rod 302 in the middle of the hydraulic chuck / slip 6, and inserting the square bearing 305 into the fixed block 303; Step S5-3, control the hydraulic elevator 4 to open; Step S5-4, the second hydraulic cylinder 214 retracts; Step S5-5, controlling the first motor 2041 to rotate the column 201; Step S5-6, stop the first motor 2041; Step S5-7, the second hydraulic cylinder 214 extends; Step S5-8, after the hydraulic elevator 4 touches the drilling tool, the hydraulic elevator 4 is automatically closed; Step S5-9, the rotating arm 213 floats automatically; Step S5-10, the first hydraulic cylinder 206 extends and the hydraulic elevator 4 is lifted; Step S5-11, controlling the hydraulic chuck / slip 6 to clamp the second simulated drill rod 302; Step S5-12, control the hydraulic elevator 4 to open; Step S5-13, the second hydraulic cylinder 214 retracts; Step S5-14, the second hydraulic cylinder 214 extends, and at this time, the hydraulic elevator 4 is closed; Step S5-15, step S5-1 to step S5-14 are cycled for 48 hours, and the second simulated drill rod 302 does not fall, and is judged as qualified; The hydraulic elevator test device with lifting and deflection functions can effectively improve the test efficiency of the hydraulic elevator 4 and match various tonnage elevators. It monitors the test accuracy through various sensors, provides reliable technical support for the research and development and production of the hydraulic elevator 4, and has significant market application value.

[0021] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A hydraulic elevator test device with lifting and deflection functions, comprising a base (1), characterized in that: The base (1) is provided with a first testing mechanism (2) and a second testing mechanism (3); The first test mechanism (2) comprises a column (201), a first simulated drill rod (202) and two lifting rings (203); the column (201) and the first simulated drill rod (202) are both arranged vertically; the bottom end of the column (201) is rotatably connected to the base (1); the column (201) is driven to rotate by a first drive assembly (204); the bottom end of the first simulated drill rod (202) is connected to the base (1); the column (201) is provided with a lifting frame (205); the lifting frame (205) is slidably connected to the column (201) up and down; the lifting frame (205) is driven to rise and fall by a first hydraulic cylinder (206); an adjusting pipe rack (210) is provided at the upper end of the lifting frame (205); Two lifting rings (203) are symmetrically arranged on the front and rear sides of the lifting frame (205), respectively. The lifting rings (203) are arranged tilted, and the two ends of the lifting ring (203) are respectively a large head end and a small head end. The large head end of the lifting ring (203) is annular, and the large head end of the lifting ring (203) is suspended on the adjusting pipe rack (210). The small heads of the two lifting rings (203) are both buckled and connected with a rotating arm (213). The adjusting pipe rack (210) and the rotating arm (213) are distributed up and down. The middle end of the lifting ring (203) is connected with a second hydraulic cylinder (214), the cylinder body of the second hydraulic cylinder (214) is hinged to the lifting frame (205), and the piston end of the second hydraulic cylinder (214) is hinged to the lifting ring (203); The second test mechanism (3) is located on a side of the column (201) away from the first simulated drill rod (202); The second test mechanism (3) comprises a rotating sleeve (301), a second simulated drill rod (302) and a fixed block (303); the rotating sleeve (301) is tubular, the rotating sleeve (301) is arranged vertically, the rotating sleeve (301) is rotatably connected to the base (1), the rotating sleeve (301) is driven to rotate by a second driving assembly (304), the second simulated drill rod (302) is coaxially arranged with the rotating sleeve (301), a square bearing (305) is provided at the bottom end of the second simulated drill rod (302), the second simulated drill rod (302) passes through the rotating sleeve (301), and the fixed block (303) is located below the square bearing (305); Two slots (306) are provided at the top of the rotating sleeve (301), and a first step (307) is provided on the inner peripheral wall of the rotating sleeve (301); The base (1) is provided with a mounting hole (308), the mounting hole (308) being a blind hole. The base (1) is also provided with a through hole (310), the through hole (310) being coaxially arranged with the mounting hole (308), the aperture of the through hole (310) being smaller than the aperture of the mounting hole (308), and the through hole (310) extending to the bottom of the base (1).

2. A hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: The column (201) is provided with a first slide rail (207), the first slide rail (207) is arranged vertically, and the lifting frame (205) is connected with a straightening roller (208).

3. The hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: A reinforcing rib (209) is provided at the bottom end of the column (201), a cylinder body of the first hydraulic cylinder (206) is hinged to the reinforcing rib (209), and a piston end of the first hydraulic cylinder (206) is hinged to the lifting frame (205).

4. The hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: The diameter of the large end of the lifting ring (203) is larger than the diameter of the adjusting pipe rack (210). The adjusting pipe rack (210) is provided with a plurality of connection holes (211), and the plurality of connection holes (211) are distributed along the front-to-back direction. A fixing pin (212) is fixedly inserted into one of the connection holes (211), and the fixing pin (212) is located on a side of the lifting ring (203) away from the lifting frame (205).

5. The hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: The piston end of the second hydraulic cylinder (214) is rotatably connected to a connecting seat (215), a slide groove (216) is provided on the connecting seat (215), a connecting plate (217) is fixedly provided on the lifting ring (203), the connecting plate (217) is detachably fixedly connected to the lifting ring (203) via a U-shaped bolt (218) and a nut (219), a convex strip (220) is provided on the connecting plate (217), the convex strip (220) is parallel to the front-rear direction, the convex strip (220) matches the slide groove (216), and the convex strip (220) is slidably connected to the slide groove (216).

6. A hydraulic elevator test device with lifting and deflection functions according to claim 5, characterized in that: The slide groove (216) is a dovetail groove.

7. The hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: A strip groove (221) is provided on the outer side of the bottom end of the first simulated drill rod (202), the strip groove (221) is arranged vertically, a second slide rail (222) is slidably connected in the strip groove (221), and the second slide rail (222) is fixedly arranged on the base (1).

8. The hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: The first driving assembly (204) comprises a first motor (2041), a first driving gear (2042) and a first driven gear (2043); the first driving gear (2042) is mounted on the first motor (2041); the housing of the first motor (2041) is fixedly arranged on the column (201); the first driven gear (2043) is coaxially arranged with the column (201); the first driving gear (2042) is meshed with the first driven gear (2043); the first driven gear (2043) is fixedly connected to the base (1); and the column (201) is rotatably connected to the base (1).

9. The hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: The second driving assembly (304) comprises a second motor (3041), a second driving gear (3042) and a second driven gear (3043); the housing of the second motor (3041) is fixedly connected to the base (1); the second driving gear (3042) is mounted on the second motor (3041); the second driven gear (3043) is mounted on the outer peripheral wall of the rotating sleeve (301); and the second driving gear (3042) is meshed with the second driven gear (3043).

10. The hydraulic elevator test device with lifting and deflection functions according to claim 1, characterized in that: A support bearing (309) is provided at the top of the mounting hole (308), and the support bearing (309) is used to support and limit the rotation of the rotating sleeve (301) around the axis of the rotating sleeve (301).

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