CN214563140U - Oil press for correcting shearing fork arm of elevator - Google Patents

Abstract

The utility model belongs to the technical field of the work piece is rectified and specifically relates to an hydraulic press for lift scissors arm is rectified is related to, and it includes the organism, is used for pressing the hydraulic stem and the pressure platform of scissors arm, presses platform and organism fixed connection, and the hydraulic stem is located the organism and presses between the platform, and hydraulic stem one end and organism sliding connection, the other end are aimed at and are pressed platform center, two extension boards of organism fixedly connected with, two extension boards are located respectively and press the platform both sides, and two extension boards are close to the lateral wall of hydraulic stem and press the lateral wall that the platform is close to the hydraulic stem and flush, and two extension boards all are provided with the positioner who is used for fixing a position scissors arm correcting position. In this application, through positioner's setting, shortened the time of adjusting the fork arm position of cutting, reached the purpose that has improved the fork arm correction efficiency of cutting.

Description

Oil press for correcting shearing fork arm of elevator

Technical Field

The application relates to the field of workpiece correction, in particular to an oil press for correcting a shear fork arm of a lifter.

Background

The special equipment for high-altitude operation with the most wide application of the existing scissor type lifter has the advantages that the arrangement of a scissor fork mechanical structure enables the lifting platform to have higher stability, a scissor fork arm is an important part in the scissor fork structure, the scissor fork arm is a long-strip-shaped metal workpiece, and after the scissor fork arm is produced, an oil press is required to correct the scissor fork arm so as to improve the straightness of the scissor fork arm.

Referring to fig. 1, a general oil press includes a machine body 1, a pressing table 3 and an oil pressure column 2, the machine body 1 is vertically arranged, the pressing table 3 is horizontally arranged in the machine body 1, two ends of the pressing table 3 are fixedly connected with the machine body 1, two side walls of the pressing table 3 are respectively flush with two side walls of the machine body 1, the oil pressure column 2 is vertically arranged between the top end of the machine body 1 and the pressing table 3, the top end of the oil pressure column 2 is slidably connected with the machine body 1, and the bottom end of the oil pressure column 2 is aligned with the middle of the pressing table 3. When utilizing the hydraulic press to rectify the scissors arm, at first place the scissors arm on the 3 tops of pressure platform, adjust the position of scissors arm in pressure platform 3 departments repeatedly, make the center of scissors arm be located and align with oil pressure post 2, later start the hydraulic press, organism 1 drives oil pressure post 2 and presses to the scissors arm, and the hunch-up part in the middle of will scissors arm is just pressed to realized the correction to scissors arm.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the center of the scissor arm is adjusted to be aligned with the oil pressure column, the adjustment process consumes long time, and the correction efficiency of the scissor arm is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the calibration efficiency of the shear fork arm, the application provides an oil press for calibrating the shear fork arm of an elevator.

The application provides an oil press for correction of lift scissors arm adopts following technical scheme:

the utility model provides an hydraulic press for lift scissors arm is rectified, includes the organism, is used for pressing the oily compression leg and the pressure platform of scissors arm, presses platform and organism fixed connection, and the oil compression leg is located the organism and presses between the platform, and oil compression leg one end and organism sliding connection, the other end are aimed at and are pressed platform center, two extension boards of organism fixed connection, two extension boards are located respectively and press the platform both sides, and two extension boards are close to the lateral wall of oily compression leg and press the lateral wall that the platform is close to oily compression leg and flush, and two extension boards all are provided with the positioner who is used for fixing a position scissors arm correcting position.

By adopting the technical scheme, the scissor arms are simultaneously placed on the two elongated plates and the pressing table, and the two elongated plates increase the support for the scissor arms; then, rapidly positioning the scissor arm on the lengthened plate by using a positioning device to align the center of the scissor arm with the oil pressure column; through the arrangement of the positioning device, the time for adjusting the position of the scissor arm is shortened, and the aim of improving the correction efficiency of the scissor arm is fulfilled.

Optionally, the positioning device comprises two side wall plates and two end plates, the two side wall plates and the two end plates are connected with the lengthening plate in a sliding mode, when the scissor fork arm is positioned by the positioning device, the two side wall plates clamp two side walls of the scissor fork arm, and the two end plates clamp two end faces of the scissor fork arm.

Through adopting above-mentioned technical scheme, remove two lateral wall boards and slide in opposite directions along the extension plate, make two lateral wall boards will cut the both sides wall centre gripping of fork arm, remove two end plates again and slide in opposite directions along the extension plate equally, make two end plates will cut two terminal surface centre gripping of fork arm to realized cutting the whole centre gripping and the location of fork arm, improved the convenience to cutting the fork arm location.

Optionally, two the first piece of the equal fixedly connected with of side wall board, the first groove has been seted up to the extension board, first groove and two equal sliding connection of first piece.

Through adopting above-mentioned technical scheme, when removing two lateral wall boards, two lateral wall boards drive two first pieces respectively and slide along first groove, and then realized the sliding connection between lateral wall board and the extension plate, improved sliding connection's between lateral wall board and the extension plate convenience simultaneously.

Optionally, two side wall plates are connected with two-way screws, two ends of each two-way screw are respectively in threaded connection with the two side wall plates, and the two-way screws are rotatably connected with the lengthening plate.

Through adopting above-mentioned technical scheme, rotate two-way lead screw, two-way lead screw drive two lateral wall boards and move along first groove in opposite directions to realized the simultaneous movement between two lateral wall boards, improved the gliding convenience simultaneously of two lateral wall boards of removal simultaneously.

Optionally, two-way lead screw one end fixedly connected with belt pulley is provided with the dead subassembly of lock between belt pulley and the extension plate, and the dead subassembly of lock includes dead pole of lock, lock dead hole and fixed plate, fixed plate one end and extension plate fixed connection, and the lock dead hole is seted up in the belt pulley lateral wall, and the lock dead hole is provided with a plurality ofly, and it is downthehole to insert the lock dead hole after the fixed plate is passed to the dead pole one end of lock, lock dead hole and fixed plate sliding connection.

Through adopting above-mentioned technical scheme, drive two-way lead screw through rotating the belt pulley and rotate, drive two lateral wall boards at two-way lead screw and will cut fork arm centre gripping after, remove dead lock pole one end and pass and insert in the dead lock hole of aiming at behind the fixed plate, because the rigidity of fixed plate to realized locking fixedly to the position of belt pulley, improved the stability when two lateral wall boards will cut fork arm centre gripping.

Optionally, the locking rod is fixedly connected with a ring plate, the ring plate is located between the belt pulley and the fixed plate, a spring is arranged between the ring plate and the fixed plate, and two ends of the spring are respectively fixedly connected with the ring plate and the fixed plate.

Through adopting above-mentioned technical scheme, when the belt pulley is rotated to needs, the belt pulley is kept away from to the dead pole of pulling lock, and spring compression this moment, after the belt pulley rotated required position, unclamped the application of force to the dead pole of lock, and the spring kick-backs, and the spring drives the dead pole of lock and inserts in the dead hole of lock, carries out the lock once more to the belt pulley and dies, through the setting of spring, has reduced the dead pole of removal lock and has inserted the downthehole application of force of lock, has accelerated the speed of locking to the belt pulley simultaneously.

Optionally, two equal fixedly connected with cylinders of end plate, two cylinders all with extension board fixed connection.

Through adopting above-mentioned technical scheme, start two cylinders simultaneously, two cylinders drive two end plates respectively and slide along the extension plate, make two end plates will cut the both ends face centre gripping of yoke arm, and the cylinder provides power for the removal of end plate, has improved the convenience that the end plate removed simultaneously.

Optionally, two pressure sensors are arranged between the end plate and the scissor arm, the two pressure sensors are respectively fixedly connected with the two end plates, the two pressure sensors are connected with the two cylinders through electric control, and when the two pressure sensors are abutted to the scissor arm at the same time, the two cylinders are controlled to be closed by the pressure sensors.

Through adopting above-mentioned technical scheme, when two terminal surfaces centre gripping that will cut the fork arm at two end plates were fixed a position to cutting the fork arm, the pressure sensor of two terminal surfaces is stressed simultaneously, two cylinders of two pressure sensor control were closed simultaneously this moment, two cylinders drive two end plates and keep away from the fork arm, later rectify cutting the fork arm, it has the extension to cut the fork arm along the direction of two terminal surfaces after rectifying, it cuts the fork arm to keep away from at this moment two end plates, thereby reduce and cut the pressurization and the loss of fork arm to two end plates, provide the protection to two end plates.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the positioning device, the time for adjusting the position of the scissor arm is shortened, and the aim of improving the correction efficiency of the scissor arm is fulfilled;

2. through the arrangement of the bidirectional screw rod, the synchronous motion between the two side wall plates is realized, and the convenience of moving the two side wall plates and simultaneously sliding is improved;

3. through pressure sensor's setting, the fork arm is in time kept away from to the control end plate to reduce the pressurization and the loss of fork arm to two end plates, provide the protection to two end plates.

Drawings

FIG. 1 is a schematic diagram of the background art of the present application;

FIG. 2 is a schematic view of the hydraulic press in a calibration state according to the embodiment of the present application;

fig. 3 is a schematic structural diagram of a locking assembly in an embodiment of the present application.

Description of reference numerals: 1. a body; 2. an oil pressure column; 3. pressing the table; 4. a lengthening plate; 41. a first groove; 42. a second groove; 5. a positioning device; 51. a side wall panel; 511. a drive mechanism; 5111. a bidirectional lead screw; 5112. a belt pulley; 5113. adjusting the handle; 512. a first block; 52. an end plate; 521. a cylinder; 522. a second block; 6. a support plate; 7. locking the assembly; 71. a locking lever; 711. a ring plate; 72. locking the hole; 73. a fixing plate; 74. a spring; 8. a pressure sensor; 81. a control box; 9. a scissor arm.

Detailed Description

The present application is described in further detail below with reference to figures 2-3.

The embodiment of the application discloses an oil press for correcting a scissor arm of a lifter. Referring to fig. 2, an hydraulic press for correction of elevator scissor arm includes organism 1, press platform 3, lengthened plate 4 and oil pressure post 2, 1 vertical settings in workshop ground of organism, press platform 3 level to set up in organism 1, press 3 both sides walls of platform all with 1 fixed connection of organism, 2 vertical settings of oil pressure post are on 1 top of organism and press between the platform 3, oil pressure post 2 and 1 sliding connection of organism, lengthened plate 4 level is provided with two, two lengthened plate 4 set up respectively pressing platform 3 along 1 width direction's of organism both sides, lengthened plate 4 is close to organism 1's lateral wall and presses 3 lateral walls fixed connection of platform, lengthened plate 4 top is provided with positioner 5. When the hydraulic press is used for correcting the scissor arm 9, the scissor arm 9 is firstly placed at the top ends of the lengthened plate 4 and the pressing table 3, the positioning device 5 is used for positioning the scissor arm 9, the center of the scissor arm 9 is aligned with the hydraulic column 2, then the machine body 1 is started, the machine body 1 drives the hydraulic column 2 to press the center of the scissor arm 9, and therefore the scissor arm 9 is corrected.

Referring to fig. 2, the top end of the elongated plate 4 is flush with the top end of the pressing table 3, the two elongated plates 4 are symmetrically arranged on two sides of the pressing table 3, the top ends of the two elongated plates 4 are horizontally provided with a first groove 41 along the width direction of the elongated plate 4, the cross section of the first groove 41 is in a T shape, the first groove 41 is close to the pressing table 3, the top ends of the two elongated plates 4 are additionally provided with a second groove 42, the second groove 42 is horizontally arranged along the length direction of the elongated plate 4, the two second grooves 42 are respectively arranged on one side, away from the pressing table 3, of the two first grooves 41, and the distances between the second groove 42 and the two side walls of the elongated plate 4 in the length direction are the same. The support length of the scissor arm 9 is lengthened by the lengthening plate 4, and the scissor arm 9 is supported more stably.

Referring to fig. 2, the positioning device 5 includes side wall plates 51 and end plates 52, the side wall plates 51 are parallel to the length direction side walls of the elongated plate 4, the number of the side wall plates 51 is four, every two side wall plates are divided into two groups, the two groups of side wall plates 51 correspond to the two second grooves 42 respectively, the two groups of side wall plates 51 are slidably connected to the two second grooves 42 respectively, a driving mechanism 511 is provided between the two side wall plates 51 and the elongated plate 4, the end plates 52 are parallel to the width direction side walls of the elongated plate 4, the end plates 52 are vertically provided with two, the two end plates 52 are slidably connected to the two second grooves 42 respectively, two side walls of the two end plates 52 far away from each other are fixedly connected to cylinders 521 respectively, the cylinders 521 are horizontally arranged at the top end of the elongated plate 4, and the bottom end of the cylinders 521 is fixedly connected to the top end of the elongated plate 4.

When the scissor arm 9 is placed, the two side wall plates 51 of the same set are moved away from each other by the drive mechanism 511, the moving scissor arm 9 is then inserted between the two side wall plates 51 of the same set, and the scissor arm 9 is moved so that the scissor arm 9 is located between the two end plates 52, then the driving mechanism 511 drives the two side wall plates 51 of the same group to move towards each other until the two side wall plates 51 respectively abut against the two side walls of the scissors arm 9, the two side wall plates 51 clamp the scissors arm 9, simultaneously starting the two cylinders 521, so that the two cylinders 521 drive the two end plates 52 to move towards the direction close to the scissor arm 9 along the second groove 42 until the side walls of the two end plates 52 far away from the two cylinders 521 are abutted against the two end surfaces of the scissor arm 9, and at the moment, the center of the scissor arm 9 is just aligned with the oil pressure column 2, therefore, the accurate positioning of the scissor arm 9 is completed, the time for adjusting the position of the scissor arm 9 is shortened, and the aim of improving the correction efficiency of the scissor arm 9 is fulfilled.

Referring to fig. 2, a first block 512 is disposed between the side wall plate 51 and the first groove 41, the first block 512 is horizontally disposed at the bottom end of the side wall plate 51, the first block 512 is a T-shaped block, the top end of the first block 512 is fixedly connected with the bottom end of the side wall plate 51, the bottom end of the first block 512 is inserted into the first groove 41, and the first block 512 is slidably connected with the first groove 41. When the side wall plate 51 moves on the top end of the extension plate 4, the side wall plate 51 slides the first block 512 along the first groove 41, thereby guiding the movement of the side wall plate 51.

Referring to fig. 2, the driving mechanism 511 includes two bidirectional screws 5111, belt pulleys 5112 and an adjusting handle 5113, the two bidirectional screws 5111 are horizontally disposed along the width direction of the lengthened plate 4, the two bidirectional screws 5111 correspond to the two sets of side wall plates 51, the two side wall plates 51 of the same set are respectively sleeved at the side walls of the two ends of the bidirectional screws 5111, the two side wall plates 51 of the same set are respectively in threaded connection with the two ends of the bidirectional screws 5111, the two sides of the two side wall plates 51 of the same set away from each other are vertically provided with support plates 6, the bottom end of each support plate 6 is fixedly connected with the top end of the lengthened plate 4, the support plates 6 are also sleeved outside the two ends of the bidirectional screws 5111, the support plates 6 are rotatably connected with the bidirectional screws 5111, the two belt pulleys 5112 are vertically disposed, the two belt pulleys 5112 are respectively fixedly connected with one end of the two bidirectional screws 5111 at the same side, the two belt pulleys 5112 are driven by a belt, the side wall of one belt 5112 away from the lengthened plate 4 is fixedly connected with the adjusting handle 5113, a locking assembly 7 is arranged between the other belt pulley 5112 and the lengthened plate 4.

After the scissors arm 9 is placed and is accomplished, rotate adjustment handle 5113, adjustment handle 5113 drives the belt pulley 5112 who keeps away from dead subassembly 7 of lock and rotates, two belt pulleys 5112 rotate in step when the transmission through the belt, two belt pulleys 5112 drive two-way lead screw 5111 respectively and rotate in step, two-way lead screw 5111 drive two sets of lateral wall boards 51 will cut the centre gripping of fork arm 9, later utilize dead subassembly 7 of lock to die the position lock of belt pulley 5112 fixed, and then fix the state that two sets of lateral wall boards 51 will cut the centre gripping of fork arm 9, it is more stable to make two sets of lateral wall boards 51 will cut the centre gripping ground of fork arm 9.

Referring to fig. 2 and 3, the locking assembly 7 includes a locking rod 71, a locking hole 72, a fixing plate 73 and a spring 74, the fixing plate 73 is horizontally disposed between the pulley 5112 and the elongated plate 4, the side wall of the fixing plate 73 close to the elongated plate 4 is fixedly connected to the side wall of the support plate 6 far away from the side wall plate 51, the top end of the fixing plate 73 is bent toward the pulley 5112, the top end of the fixing plate 73 is located at one side of the pulley 5112 far away from the support plate 6, the locking hole 72 is horizontally disposed at the side wall of the pulley 5112 far away from the support plate 6, a plurality of locking holes 72 are uniformly arranged along the circumferential direction, one end of the locking rod 71 passes through the top end of the fixing plate 73 and then is inserted into the locking hole 72, the locking rod 71 is slidably connected to the top end of the fixing plate 73, a ring plate 711 is vertically sleeved outside the locking rod 71, the ring plate 711 is located between the top end of the fixing plate 73 and the pulley 5112, the inner side wall 711 is fixedly connected to the outer side wall of the locking rod 71, the spring 74 is arranged between the ring plate 711 and the top end of the fixed plate 73, and two ends of the spring 74 are fixedly connected with the side wall of the ring plate 711 far away from the belt pulley 5112 and the side wall of the top end of the fixed plate 73 close to the belt pulley 5112 respectively.

Before the positions of the two groups of side wall plates 51 are adjusted, a pulling force is applied to one end, far away from the belt pulley 5112, of the locking rod 71, so that the locking rod 71 is far away from the locking hole 72, the locking rod 71 drives the ring plate 711 to move towards the direction close to the top end of the fixed plate 73, the ring plate 711 drives the spring 74 to compress, and at the moment, the belt pulley 5112 is unlocked; after the two sets of side wall plates 51 clamp the scissors arm 9, the force applied to the locking rod 71 is released, the spring 74 rebounds to drive the ring plate 711 to be away from the fixing plate 73, the ring plate 711 drives the locking rod 71 to be inserted into the locking hole 72 again, and one end, close to the belt pulley 5112, of the locking rod 71 is abutted against the bottom wall of the locking hole 72, so that the position of the belt pulley 5112 is fixed.

Referring to fig. 2, a second block 522 is disposed between the end plate 52 and the second slot 42, the second block 522 is horizontally disposed at the bottom end of the end plate 52, the second block 522 is a T-shaped block, the top end of the second block 522 is fixedly connected to the bottom end of the end plate 52, the bottom end of the second block 522 is inserted into the second slot 42, and the second block 522 is slidably connected to the second slot 42. When the end plate 52 moves on top of the elongated plate 4, the end plate 52 slides the second block 522 along the second slot 42, thereby guiding the movement of the end plate 52.

Referring to fig. 2 and 3, the side walls of the two end plates 52 close to each other are vertically provided with the pressure sensors 8, the side walls of the pressure sensors 8 and the end plates 52 far away from the cylinder 521 are fixedly connected, a control box 81 is arranged between the two pressure sensors 8 and the two cylinders 521, the control box 81 is vertically arranged at the side wall of the elongated plate 4 far away from the dead lock rod 71, the control box 81 is fixedly connected with the side wall of the elongated plate 4, and the control box 81 and the two pressure sensors 8 and the two cylinders 521 are connected through an electric control line.

When cylinder 521 drives two end plates 52 and is close to two terminal surfaces of scissors arm 9 respectively, pressure sensor 8 that end plate 52 took moves in step, when two pressure sensor 8 and scissors arm 9's two terminal surfaces all butt, two pressure sensor 8 control two cylinders 521 and close simultaneously through control box 81 this moment, two cylinders 521 drive two end plates 52 and all keep away from scissors arm 9, later carry out the correction of scissors arm 9, cause the extrusion to two end plates 52 when correcting in order to prevent scissors arm 9, reduced the damage to end plate 52 and cylinder 521.

The implementation principle of the oil press for correcting the scissor arm of the elevator in the embodiment of the application is as follows: when the hydraulic press is used for correcting the scissor arm 9, the scissor arm 9 is firstly placed at the top ends of the two elongated plates 4 and the pressing plate, then the driving mechanism 511 is used for driving the two sets of side wall plates 51 to clamp the two side walls of the scissor arm 9, the two cylinders 521 are simultaneously started, the two cylinders 521 drive the two end plates 52 to clamp the end faces of the two ends of the scissor arm 9, the scissor arm 9 is positioned from four directions, the center of the scissor arm 9 is just aligned with the oil pressure column 2 at the moment, then the machine body 1 is started, the machine body 1 drives the oil pressure column 2 to press the scissor arm 9, and then the center of the scissor arm 9 is straightened, so that the correction of the scissor arm 9 is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an oil press for lift is cut fork arm and is rectified, includes organism (1), is used for pressing oil pressure post (2) and pressure platform (3) of cutting fork arm (9), presses platform (3) and organism (1) fixed connection, and oil pressure post (2) are located organism (1) and press between platform (3), oil pressure post (2) one end and organism (1) sliding connection, and the other end is aimed at and is pressed platform (3) center, its characterized in that: organism (1) two extension boards (4) of fixedly connected with, two extension boards (4) are located respectively and press platform (3) both sides, and two extension boards (4) are close to the lateral wall of oil pressure post (2) and press platform (3) the lateral wall that is close to oil pressure post (2) and flush, and two extension boards (4) all are provided with positioner (5) that are used for fixing a position scissors fork arm (9) correcting position.

2. The hydraulic press for elevator scissor arm calibration of claim 1, wherein: positioner (5) are including lateral wall board (51) and end plate (52), and lateral wall board (51) and end plate (52) all are provided with two, and two lateral wall boards (51) and two end plates (52) all with extension board (4) sliding connection, when cutting fork arm (9) and receiving positioner (5) location, two lateral wall boards (51) will be cut the both sides wall centre gripping of fork arm (9), and two end plate (52) will be cut two terminal surface centre gripping of fork arm (9).

3. The hydraulic press for elevator scissor arm calibration of claim 2, wherein: two equal fixedly connected with of side wall board (51) is first piece (512), and first groove (41) have been seted up in extension board (4), first groove (41) and two equal sliding connection of first piece (512).

4. The hydraulic press for elevator scissor arm calibration of claim 2, wherein: two lateral wall board (51) all are connected with two-way lead screw (5111), and two-way lead screw (5111) both ends respectively with two lateral wall board (51) threaded connection, two-way lead screw (5111) rotate with extension board (4) and are connected.

5. An oil press for elevator scissor arm calibration according to claim 4, wherein: two-way lead screw (5111) one end fixedly connected with belt pulley (5112), be provided with between belt pulley (5112) and extension board (4) and lock subassembly (7) of dying, lock subassembly (7) of dying is including locking pole (71), dead hole (72) and fixed plate (73), fixed plate (73) one end and extension board (4) fixed connection, belt pulley (5112) lateral wall is seted up in dead hole (72), dead hole (72) are provided with a plurality ofly, dead pole (71) one end of locking is passed and is inserted in dead hole (72) behind fixed plate (73), dead hole (72) and fixed plate (73) sliding connection lock.

6. An oil press for elevator scissor arm calibration according to claim 5, wherein: the locking rod (71) is fixedly connected with a ring plate (711), the ring plate (711) is located between the belt pulley (5112) and the fixing plate (73), a spring (74) is arranged between the ring plate (711) and the fixing plate (73), and two ends of the spring (74) are fixedly connected with the ring plate (711) and the fixing plate (73) respectively.

7. The hydraulic press for elevator scissor arm calibration of claim 2, wherein: two equal fixedly connected with cylinder (521) of end plate (52), two cylinder (521) all with extension board (4) fixed connection.

8. The hydraulic press for elevator scissor arm calibration of claim 7, wherein: two all be provided with pressure sensor (8) between end plate (52) and scissor arm (9), two pressure sensor (8) respectively with two end plate (52) fixed connection, two pressure sensor (8) are connected through automatically controlled with two cylinder (521), when two pressure sensor (8) and scissor arm (9) butt simultaneously, two cylinders (521) are closed in pressure sensor (8) control.

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