Elevator car mounting and positioning device convenient to disassemble and assemble

Abstract

The invention discloses an elevator car mounting and positioning device convenient to disassemble and assemble, and relates to the technical field of elevator cars. The elevator car installing and positioning device convenient to disassemble and assemble comprises a concentric-square-shaped supporting frame, an automatic buffering structure, a position adjusting structure and a telescopic tensioning structure, telescopic sliding plates are slidably installed on the front side and the rear side of the concentric-square-shaped supporting frame correspondingly, square shaft sleeves are arranged on the telescopic sliding plates, and safety columns are inserted into the square shaft sleeves; a tensioning block is fixedly installed at the bottom of the telescopic sliding plate, a connecting plate is arranged at the top of the concentric-square-shaped supporting frame, and a square plate is arranged at the top of the connecting plate. According to the elevator car mounting and positioning device convenient to disassemble and assemble, a car base can be conveniently fixed and supported, the car base can be conveniently adjusted to move front and back and left and right, follow-up mounting and hole alignment are facilitated, the car base can be assembled into a whole to be mounted, and the mounting efficiency is improved. Compared with the mode that constructors need to slowly assemble and splice the car base into a whole in an elevator shaft, the mounting efficiency and convenience are remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of elevator cars, and in particular to an elevator car installation and positioning device which is convenient for assembly and disassembly. Background Art

[0002] The elevator car is a box-shaped space used to carry and transport people and materials. The elevator car is generally composed of main components such as a car base, a car wall, a car roof, and a car door. When installing the car, the car base is mainly installed first, and then the car wall, car roof and car door are assembled in sequence. The existing installation method is that the construction workers slowly assemble and splice the car base into a whole in the elevator shaft. This method is not only inconvenient for holes, but also very inefficient, which seriously affects the construction efficiency. Therefore, an elevator car installation and positioning device that is easy to disassemble and assemble is proposed. Summary of the invention

[0003] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide an elevator car installation and positioning device that is easy to disassemble and assemble, which can solve the problem that construction workers slowly assemble and splice the car base into a whole in the elevator shaft. This method is not only inconvenient for holes, but also very inefficient, which seriously affects the construction efficiency.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an elevator car installation and positioning device that is easy to disassemble and assemble, comprising a circular support frame, an automatic buffer structure, a position adjustment structure and a telescopic tensioning structure, the front and rear sides of the circular support frame are slidably installed with telescopic slides, a square shaft sleeve is arranged on the telescopic slide, a safety column is inserted inside the square shaft sleeve, a tensioning block is fixedly installed at the bottom of the telescopic slide, a connecting plate is arranged at the top of the circular support frame, a square plate is arranged at the top of the connecting plate, an electromagnetic plate is arranged at the top of the square plate, a shell is fixedly installed at the bottom of the circular support frame, an automatic buffer structure is arranged on the square plate and the electromagnetic plate, the automatic buffer structure enables the electromagnetic plate to have an up and down buffering effect, the position adjustment structure is arranged on the circular support frame and the connecting plate, the position adjustment structure is composed of a front and back moving unit and a left and right moving unit, the position adjustment structure is used to adjust the electromagnetic plate to move left and right and front and back, the telescopic tensioning structure is arranged on the circular support frame, the telescopic slide and the shell, and the telescopic tensioning structure is used to adjust the distance between the two groups of telescopic slides.

[0005] Preferably, the forward and backward moving unit includes a threaded rod, a sliding seat and a driving motor. A recess and a placement opening are provided on the top of the circular support frame. The threaded rod is rotatably installed in the recess, the sliding seat is slidably installed in the recess, the sliding seat is threadedly sleeved on the outer wall of the threaded rod, the driving motor is fixedly installed in the placement opening, the rotating shaft of the driving motor extends into the recess and is fixedly connected to the threaded rod, and the connecting plate is fixedly installed on the top of the sliding seat.

[0006] Preferably, the left-right moving unit includes two threaded rods, two sliding seats and two driving motors. A groove and a placement groove are provided on the top of the connecting plate. The two threaded rods are rotatably installed in the groove, the two sliding seats are slidably installed in the groove, the two sliding seats are threadedly sleeved on the outer wall of the two threaded rods, the two driving motors are fixedly installed in the placement groove, the rotating shaft of the two driving motors extends into the groove and is fixedly connected to the two threaded rods, and the square plate is fixedly installed on the top of the two sliding seats.

[0007] Preferably, the automatic buffer structure includes a circular trough body, a circular slider, a damper, a spring and a lifting column. Four groups of circular slots distributed in a rectangular shape are opened on the square plate. The circular trough body is located in the circular slots. The circular slider is slidably installed inside the circular trough body. The damper is fixedly installed on the inner bottom of the circular trough body. The free end of the damper is fixedly connected to the circular slider. The spring is fixedly installed between the bottom of the circular slider and the inside of the circular trough body. The spring is sleeved on the outer wall of the damper. The lifting column is fixedly installed on the top of the circular slider. A slot is opened on the top of the circular trough body. One end of the lifting column passes through the slot and is fixedly connected to the electromagnetic plate.

[0008] Preferably, an annular silicone pad is fixedly installed on the top of the square plate, the annular silicone pad is sleeved on the outer wall of the lifting column, a mounting ring shell is fixedly installed on the outer wall of the circular trough body, and four groups of hexagonal bolts distributed in a rectangular shape are arranged on the bottom of the mounting ring shell, the hexagonal bolts pass through the mounting ring shell and are threadedly connected to the electromagnetic plate.

[0009] Preferably, the telescopic slide is provided with a receiving groove and two groups of strip openings distributed on the left and right, the strip openings are connected to the receiving groove, a movable plate is fixedly installed on the outer wall of the square sleeve, the movable plate is slidably installed in the receiving groove, studs are fixedly installed on both sides of the movable plate, one end of the stud passes through the strip opening and is threadedly provided with a butterfly nut.

[0010] Preferably, the circular support frame is provided with four groups of limiting openings distributed in a rectangular shape, and limiting blocks are fixedly installed on both sides of the telescopic slide. The limiting blocks are slidably installed in the limiting openings to limit the moving trajectory of the telescopic slide.

[0011] Preferably, a rubber pad is fixedly mounted on the outer wall of the tensioning block, so that it has a buffering effect when tightened.

[0012] Preferably, the telescopic tensioning structure includes a screw, a bevel gear, a vertical rod, a bevel gear, a linkage rod, a worm wheel, a worm and a motor housing. Two groups of partitions distributed frontally and rearward are fixedly installed on the inner wall of the circular support frame. The screw and the bevel gear are rotatably installed on the partition. One end of the bevel gear passes through the partition and is fixedly connected to the bevel gear. A threaded groove is opened on the telescopic slide plate. The screw is threadedly installed in the threaded groove. The vertical rod is rotatably installed on the inner bottom of the circular support frame. The bevel gear is fixedly installed on the outer wall of the vertical rod. The linkage rod is rotatably installed on the inner bottom of the shell. One end of the linkage rod extends into the circular support frame and is fixedly connected to the vertical rod. The worm wheel is fixedly installed on the outer wall of the linkage rod. The worm is rotatably installed inside the shell. The motor shell is fixedly installed on the rear side of the shell. The rotating shaft of the motor shell passes through the shell and is fixedly connected to the worm.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) The elevator car installation and positioning device that is easy to disassemble and assemble, through the coordinated use of a partition, a screw, a bevel gear, a vertical rod, a bevel gear, a linkage rod, a worm gear, a worm, a motor housing, a square bushing, a safety column, a tensioning block, a rubber pad, a limit block, a movable plate, a stud and a butterfly nut, can, on the one hand, drive two sets of telescopic slides to move away from each other and tighten and fix them at the edge positions of the two entrances and exits of the elevator shaft, so that it is convenient to fix and support the car base. When used in conjunction with its position adjustment structure, the car base can also be adjusted to move forward and backward and left and right, which is beneficial to the subsequent installation of the holes, and the effect of installing and positioning the car base is achieved, so that the car base can be assembled into a whole and then installed. Compared with the method that requires construction personnel to slowly assemble and splice the car base into a whole in the elevator shaft, the efficiency and convenience of installation are significantly improved. At the same time, the device is also convenient to separate from the car base, which is beneficial to the subsequent disassembly and assembly. On the other hand, the safety column can be stuck at the elevator entrance and exit, and the square bushing can be retracted to prevent the device from loosening and falling, thereby improving the reliability and practicality of the device.

[0015] (2) The elevator car installation and positioning device that is easy to disassemble and assemble has a buffering effect when the car base is placed on the electromagnetic plate through the coordinated use of a circular groove body, a circular slider, a damper, a spring and a lifting column, which can reduce the situation where the impact force of placement is large and the device will deform after a certain frequency, thereby improving the structural reliability of the device and enhancing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 A perspective view of the present invention;

[0018] Figure 2It is a right side cutaway perspective view of the present invention;

[0019] Figure 3 It is a front cutaway perspective view of the present invention;

[0020] Figure 4 It is a three-dimensional diagram of the telescopic slide plate of the present invention;

[0021] Figure 5 It is a right side stereoscopic view of the square sleeve of the present invention;

[0022] Figure 6 It is a right side cutaway stereoscopic view of the circular tank body of the present invention;

[0023] Figure 7 A three-dimensional diagram of the circular support frame of the present invention;

[0024] Figure 8 A three-dimensional diagram of a connecting plate of the present invention;

[0025] Fig. 9 It is a right side stereoscopic view of the housing of the present invention.

[0026] Figure numerals: 1, circular support frame; 2, telescopic slide plate; 3, connecting plate; 4, square plate; 5, electromagnetic plate; 6, automatic buffer structure; 61, circular trough; 62, circular slider; 63, damper; 64, spring; 65, lifting column; 7, position adjustment structure; 71, front and rear moving unit; 711, threaded rod 1; 712, sliding seat 1; 713, driving motor 1; 72, left and right moving unit; 721, threaded rod 2; 722, sliding seat 2; 723, driving motor 2; 8, telescopic tensioning structure; 81, partition; 82, screw; 83, bevel gear; 84, vertical rod; 85, bevel gear; 86, linkage rod; 87, worm gear; 88, worm; 89, motor; 9, housing; 10, square sleeve; 11, safety column; 12, tensioning block; 13, rubber pad; 14, limit block; 15, moving plate; 16, stud; 17, butterfly nut; 18, annular silicone pad; 19, mounting ring. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0028] See also Figure 1-9The present invention provides a technical solution: an elevator car installation and positioning device that is easy to disassemble and assemble, comprising a circular support frame 1, an automatic buffer structure 6, a position adjustment structure 7 and a telescopic tensioning structure 8, a telescopic slide plate 2 is slidably installed on the front and rear sides of the circular support frame 1, a square sleeve 10 is arranged on the telescopic slide plate 2, a safety column 11 is inserted inside the square sleeve 10, a tensioning block 12 is fixedly installed at the bottom of the telescopic slide plate 2, a connecting plate 3 is arranged on the top of the circular support frame 1, a square plate 4 is arranged on the top of the connecting plate 3, an electromagnetic plate 5 is arranged on the top of the square plate 4, and the circular support frame 1 is provided with a plurality of connecting plates. A shell 9 is fixedly installed at the bottom of the support frame 1, and an automatic buffering structure 6 is arranged on the square plate 4 and the electromagnetic plate 5. The automatic buffering structure 6 enables the electromagnetic plate 5 to have an up and down buffering effect. The position adjustment structure 7 is arranged on the circular support frame 1 and the connecting plate 3. The position adjustment structure 7 is composed of a front and rear moving unit 71 and a left and right moving unit 72. The position adjustment structure 7 is used to adjust the electromagnetic plate 5 to move left and right and front and back. The telescopic tensioning structure 8 is arranged on the circular support frame 1, the telescopic slide 2 and the shell 9. The telescopic tensioning structure 8 is used to adjust the distance between the two groups of telescopic slides 2.

[0029] The automatic buffer structure 6 includes a circular groove body 61, a circular slider 62, a damper 63, a spring 64 and a lifting column 65. Four groups of circular grooves distributed in a rectangular shape are opened on the square plate 4. The circular groove body 61 is located in the circular groove. The circular slider 62 is slidably installed inside the circular groove body 61. The damper 63 is fixedly installed at the inner bottom of the circular groove body 61. The free end of the damper 63 is fixedly connected to the circular slider 62. The spring 64 is fixedly installed between the bottom of the circular slider 62 and the inside of the circular groove body 61. The spring 64 is sleeved on the outer wall of the damper 63. The lifting column 65 is fixedly installed on the top of the circular slider 62. The top of the circular groove body 61 is opened with a slot. One end of the lifting column 65 passes through the slot and is in contact with the lifting column 65. The electromagnetic plate 5 is fixedly connected, and an annular silicone pad 18 is fixedly installed on the top of the square plate 4. The annular silicone pad 18 is sleeved on the outer wall of the lifting column 65. The outer wall of the circular trough body 61 is fixedly installed with a mounting ring 19. The bottom of the mounting ring 19 is provided with four groups of hexagonal bolts distributed in a rectangular shape. The hexagonal bolts pass through the mounting ring 19 and are threadedly connected to the electromagnetic plate 5. When the car base is placed on the electromagnetic plate 5, the electromagnetic plate 5 is automatically driven to move downward, and then buffered by the damper 63 and the spring 64, so that the car base has a buffering effect when placed on the electromagnetic plate 5, which can reduce the situation where the impact force is large and the device will deform after a certain frequency, thereby improving the structural reliability of the device and enhancing the practicality of the device.

[0030] The telescopic slide plate 2 is provided with a receiving groove and two groups of strip openings distributed on the left and right, the strip opening is connected to the receiving groove, a movable plate 15 is fixedly installed on the outer wall of the square sleeve 10, the movable plate 15 is slidably installed in the receiving groove, studs 16 are fixedly installed on both sides of the movable plate 15, one end of the stud 16 passes through the strip opening and a butterfly nut 17 is threadedly sleeved, four groups of limiting openings distributed in a rectangular shape are provided on the circular support frame 1, limiting blocks 14 are fixedly installed on both sides of the telescopic slide plate 2, the limiting blocks 14 are slidably installed in the limiting openings, and a rubber pad 13 is fixedly installed on the outer wall of the tightening block 12.

[0031] The forward and backward moving unit 71 includes a threaded rod 711, a sliding seat 712 and a driving motor 713. A notch and a placement opening are provided on the top of the circular support frame 1. The threaded rod 711 is rotatably installed in the notch. The sliding seat 712 is slidably installed in the notch. The sliding seat 712 is threadedly sleeved on the outer wall of the threaded rod 711. The driving motor 713 is fixedly installed in the placement opening. The rotating shaft of the driving motor 713 extends into the notch and is fixedly connected to the threaded rod 711. The connecting plate 3 is fixedly installed on the top of the sliding seat 712. The left and right moving unit 72 includes a threaded rod 721, a sliding seat 722 and a driving motor 723. A groove and a placement groove are provided on the top of the connecting plate 3. The threaded rod 721 is rotatably installed in the notch. The sliding seat 712 is slidably installed in the notch. The sliding seat 712 is threadedly sleeved on the outer wall of the threaded rod 711. The driving motor 713 is fixedly installed in the placement opening. The rotating shaft of the driving motor 713 extends into the notch and is fixedly connected to the threaded rod 711. The connecting plate 3 is fixedly installed on the top of the sliding seat 712. The left and right moving unit 72 includes a threaded rod 721, a sliding seat 722 and a driving motor 723. The top of the connecting plate 3 is provided with a groove and a placement groove. The second sliding seat 722 is slidably installed in the groove, the second sliding seat 722 is threadedly sleeved on the outer wall of the second threaded rod 721, the second driving motor 723 is fixedly installed in the placement groove, the rotating shaft of the second driving motor 723 extends into the groove and is fixedly connected to the second threaded rod 721, the square plate 4 is fixedly installed on the top of the second sliding seat 722, the telescopic tensioning structure 8 includes a screw 82, a bevel gear 83, a vertical rod 84, a bevel gear 85, a linkage rod 86, a worm gear 87, a worm 88 and a motor 89, and the inner wall of the circular support frame 1 is fixedly installed with two groups of partitions 81 distributed front and back, the screw 82 and the bevel gear 83 are both rotatably installed on the partition 81, one end of the bevel gear 83 passes through the partition 81 and is fixedly connected to the bevel gear 83, and the telescopic slide plate 2 is fixedly installed on the inner wall of the circular support frame 1. A thread groove is provided, in which the lead screw 82 is threadedly installed, the vertical rod 84 is rotatably installed on the inner bottom of the circular support frame 1, the bevel gear 85 is fixedly installed on the outer wall of the vertical rod 84, the linkage rod 86 is rotatably installed on the inner bottom of the shell 9, one end of the linkage rod 86 extends into the circular support frame 1 and is fixedly connected to the vertical rod 84, the worm gear 87 is fixedly installed on the outer wall of the linkage rod 86, the worm 88 is rotatably installed inside the shell 9, the motor 89 is fixedly installed on the rear side of the shell 9, the rotating shaft of the motor 89 passes through the shell 9 and is fixedly connected to the worm 88, the control motor 89 drives the rotation of the worm 88, and then meshes and drives the rotation of the worm gear 87, which then drives the rotation of the vertical rod 84 and the bevel gear 85 through the linkage rod 86, and the bevel gear 85 Then they mesh and drive the two sets of bevel gears 83 to rotate respectively, and then drive the screw rod 82 to rotate, and then drive the telescopic slide plate 2 to extend outward, and then the tensioning block 12 on the telescopic slide plate 2 is automatically clamped at the edge of the elevator entrance and exit, and then the butterfly nut 17 is held and rotated counterclockwise, and then the square sleeve 10 is pulled outward for a certain distance and the safety column 11 is inserted on the square sleeve 10, and then the square sleeve 10 is pushed to move toward the telescopic slide plate 2 and the butterfly nut 17 is held and tightened clockwise, and the safety column 11 is automatically clamped on the door frame of the elevator entrance and exit, and then the car base is placed on the electromagnetic plate 5 and the electromagnetic plate 5 is controlled to be magnetically fixed. When it is necessary to adjust the car base to move forward and backward, the drive motor 1713 is controlled to drive the rotation of the threaded rod 17.Then, the sliding seat 1 712 and the connecting plate 3 are driven to move. When the car base needs to be adjusted to move left and right, the driving motor 2 723 is controlled to drive the rotation of the threaded rod 2 721, and then the sliding seat 2 722 and the square plate 4 are driven to move. On the one hand, the two sets of telescopic slides 2 can be driven to move away from each other and tightened and fixed at the edge positions of the two entrances and exits of the elevator shaft, so that it is convenient to fix and support the car base. When used in conjunction with the position adjustment structure 7, the car base can also be adjusted to move forward and backward and left and right, which is beneficial to the subsequent installation of the holes, and the effect of the installation and positioning of the car base is achieved, so that the car base can be assembled into a whole and then installed. Compared with the method that requires construction personnel to slowly assemble and splice the car base into a whole in the elevator shaft, the efficiency and convenience of installation are significantly improved. At the same time, the device is also convenient to separate from the car base, which is beneficial to the subsequent disassembly and assembly. On the other hand, the safety column 11 can be stuck at the elevator entrance and exit position, and the square shaft sleeve 10 can be retracted to prevent the device from loosening and falling, thereby improving the reliability and practicality of the device.

[0032] Working principle: the control motor 89 drives the rotation of the worm 88, which then meshes and drives the rotation of the worm wheel 87, and then drives the rotation of the vertical rod 84 and the bevel gear 85 through the linkage rod 86, and the bevel gear 85 meshes and drives the rotation of the two sets of bevel gears 83, and then drives the rotation of the screw rod 82, and then drives the telescopic slide 2 to extend outward, and then the tensioning block 12 on the telescopic slide 2 is automatically clamped at the edge position of the elevator entrance and exit, and then the butterfly nut 17 is held and rotated counterclockwise, and then the square sleeve 10 is pulled outward for a certain distance, and the safety column 11 is inserted into the square sleeve 10, and then the square sleeve 10 is pushed to move toward the telescopic slide 2 And hold the butterfly nut 17 and tighten it clockwise, and the safety column 11 is automatically stuck on the door frame of the elevator entrance and exit, and then the car base is placed on the electromagnetic plate 5. During the process, the electromagnetic plate 5 is automatically driven to move downward, and then buffered by the damper 63 and the spring 64, and the electromagnetic plate 5 is controlled to be magnetically fixed. When it is necessary to adjust the car base to move forward and backward, the drive motor 1 713 is controlled to drive the rotation of the threaded rod 1 711, and then drive the movement of the sliding seat 1 712 and the connecting plate 3. When it is necessary to adjust the car base to move left and right, the drive motor 2 723 is controlled to drive the rotation of the threaded rod 2 721, and then drive the movement of the sliding seat 2 722 and the square plate 4.

[0033] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An elevator car installation and positioning device that is easy to disassemble and assemble, characterized in that: include: A circular support frame (1) is provided with a telescopic slide plate (2) slidably mounted on the front and rear sides thereof, a square shaft sleeve (10) is provided on the telescopic slide plate (2), a safety column (11) is inserted into the interior of the square shaft sleeve (10), a tension block (12) is fixedly mounted on the bottom of the telescopic slide plate (2), a connecting plate (3) is provided on the top of the circular support frame (1), a square plate (4) is provided on the top of the connecting plate (3), an electromagnetic plate (5) is provided on the top of the square plate (4), and a housing (9) is fixedly mounted on the bottom of the circular support frame (1); An automatic buffer structure (6) is arranged on the square plate (4) and the electromagnetic plate (5), and the automatic buffer structure (6) enables the electromagnetic plate (5) to have an upper and lower buffering effect; A position adjustment structure (7) is arranged on the circular support frame (1) and the connecting plate (3), the position adjustment structure (7) is composed of a front-to-back moving unit (71) and a left-to-right moving unit (72), and the position adjustment structure (7) is used to adjust the electromagnetic plate (5) to move left-to-right and front-to-back; The telescopic tensioning structure (8) is arranged on the circular support frame (1), the telescopic slide plate (2) and the shell (9). The telescopic tensioning structure (8) is used to adjust the distance between the two groups of telescopic slide plates (2).

2. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 1 is characterized in that: The forward and backward moving unit (71) comprises a threaded rod (711), a sliding seat (712) and a driving motor (713). A notch and a placement opening are provided on the top of the circular support frame (1). The threaded rod (711) is rotatably installed in the notch. The sliding seat (712) is slidably installed in the notch. The sliding seat (712) is threadedly sleeved on the outer wall of the threaded rod (711). The driving motor (713) is fixedly installed in the placement opening. The rotating shaft of the driving motor (713) extends into the notch and is fixedly connected to the threaded rod (711). The connecting plate (3) is fixedly installed on the top of the sliding seat (712).

3. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 2 is characterized in that: The left-right moving unit (72) comprises a second threaded rod (721), a second sliding seat (722) and a second driving motor (723). A groove and a placement groove are provided on the top of the connecting plate (3). The second threaded rod (721) is rotatably installed in the groove. The second sliding seat (722) is slidably installed in the groove. The second sliding seat (722) is threadedly sleeved on the outer wall of the second threaded rod (721). The second driving motor (723) is fixedly installed in the placement groove. The rotating shaft of the second driving motor (723) extends into the groove and is fixedly connected to the second threaded rod (721). The square plate (4) is fixedly installed on the top of the second sliding seat (722).

4. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 3 is characterized in that: The automatic buffer structure (6) comprises a circular groove body (61), a circular slider (62), a damper (63), a spring (64) and a lifting column (65). The square plate (4) is provided with four groups of circular grooves distributed in a rectangular shape. The circular groove body (61) is located in the circular grooves. The circular slider (62) is slidably mounted inside the circular groove body (61). The damper (63) is fixedly mounted on the inner bottom of the circular groove body (61). The free end of the damper (63) is fixedly connected to the circular slider (62). The spring (64) is fixedly mounted between the bottom of the circular slider (62) and the inside of the circular groove body (61). The spring (64) is sleeved on the outer wall of the damper (63). The lifting column (65) is fixedly mounted on the top of the circular slider (62). The top of the circular groove body (61) is provided with a groove. One end of the lifting column (65) passes through the groove and is fixedly connected to the electromagnetic plate (5).

5. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 4, characterized in that: An annular silicone pad (18) is fixedly mounted on the top of the square plate (4), and the annular silicone pad (18) is sleeved on the outer wall of the lifting column (65). A mounting ring (19) is fixedly mounted on the outer wall of the circular trough body (61), and four groups of hexagonal bolts distributed in a rectangular shape are arranged at the bottom of the mounting ring (19), and the hexagonal bolts pass through the mounting ring (19) and are threadedly connected to the electromagnetic plate (5).

6. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 5, characterized in that: The telescopic slide plate (2) is provided with a receiving groove and two groups of strip openings distributed on the left and right, the strip openings are connected with the receiving groove, a moving plate (15) is fixedly installed on the outer wall of the square shaft sleeve (10), the moving plate (15) is slidably installed in the receiving groove, and studs (16) are fixedly installed on both sides of the moving plate (15), one end of the stud (16) passes through the strip opening and is threadedly sleeved with a butterfly nut (17).

7. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 6, characterized in that: The circular support frame (1) is provided with four groups of limiting openings distributed in a rectangular shape, and limiting blocks (14) are fixedly installed on both sides of the telescopic slide plate (2), and the limiting blocks (14) are slidably installed in the limiting openings.

8. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 7, characterized in that: A rubber pad (13) is fixedly mounted on the outer wall of the tensioning block (12).

9. The elevator car installation and positioning device that is easy to disassemble and assemble according to claim 8, characterized in that: The telescopic tensioning structure (8) comprises a screw rod (82), a bevel gear (83), a vertical rod (84), a bevel gear (85), a linkage rod (86), a worm wheel (87), a worm (88) and a motor (89). Two groups of partitions (81) arranged front and back are fixedly mounted on the inner wall of the circular support frame (1). The screw rod (82) and the bevel gear (83) are both rotatably mounted on the partitions (81). One end of the bevel gear (83) passes through the partitions (81) and is fixedly connected to the bevel gear (83). A thread groove is provided on the telescopic slide plate (2). The screw rod (82) is threadably mounted in the thread groove. The vertical rod (84) is rotatably mounted on the inner bottom of the circular support frame (1), the bevel gear (85) is fixedly mounted on the outer wall of the vertical rod (84), the linkage rod (86) is rotatably mounted on the inner bottom of the housing (9), one end of the linkage rod (86) extends into the circular support frame (1) and is fixedly connected to the vertical rod (84), the worm gear (87) is fixedly mounted on the outer wall of the linkage rod (86), the worm (88) is rotatably mounted inside the housing (9), the motor (89) is fixedly mounted on the rear side of the housing (9), and the rotating shaft of the motor (89) passes through the housing (9) and is fixedly connected to the worm (88).

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