Auxiliary device for running-in of friction plate of traction machine brake

Abstract

The utility model provides an auxiliary device for running-in of a traction machine brake friction plate. The auxiliary device comprises a base, a movable top plate assembly and an armature positioning assembly. The movable top plate assembly comprises a top plate, guide columns, ball guide sleeves and top plate reset springs, the bottom ends of the guide columns are fixed to the base, guide holes corresponding to the guide columns are formed in the top plate, the ball guide sleeves are installed based on the guide holes and are in sliding fit with the guide columns, the guide columns are sleeved with the top plate reset springs which are located between the top plate and the base, and the top plate can vertically ascend and descend along the guide columns. The armature positioning assembly comprises an armature mounting through groove formed in the lower end of the top plate and an armature positioning mechanism arranged in the top plate, and the armature mounting through groove is a horizontal groove channel, so that an armature can be horizontally clamped into the horizontal groove channel to be vertically restrained; the armature positioning mechanism is used for cooperating with an original hole structure at the top end of the armature to horizontally restrain the armature. The device has the advantages of reducing manual labor intensity, being convenient and easy to use, and being safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of traction machine, specifically speaking, a kind of auxiliary device for traction machine brake pad running-in. BACKGROUND

[0002] Elevator traction machine brake is generated electromagnetic attraction when energized, make brake assembly and traction machine rotor disengagement, when power-off electromagnetic force disappears, under the action of brake spring pressure, form power failure brake friction brake. Brake is important safety device of elevator, its safety, reliable is one of important factors to guarantee the safe operation of elevator.

[0003] Traction machine brake is generally composed of magnetic yoke assembly, armature assembly and brake release assembly, friction plate is provided on armature assembly, and it is required to use running-in equipment to run-in friction plate on armature assembly before brake assembly, and the running-in area of friction plate is increased to ensure that braking torque meets design requirements.

[0004] When existing brake friction plate runs-in, worker needs to manually place armature assembly on running-in equipment positioning tool, start running-in equipment and always press down inclined iron assembly, ensure that friction plate and running-in machine rotating part are always attached, until armature end surface and positioning surface provided on running-in equipment are attached, to ensure that friction surface is fully run-in, and the whole running-in process needs manual operation, and this operation mode is not conducive to long-term work of worker, not only inconvenient operation, but also high labor intensity, and great safety hazard. UTILITY MODEL CONTENTS

[0005] The utility model aims at the insufficient of prior art, to provide a kind of auxiliary device for traction machine brake friction plate running-in, which reduces manual labor intensity, is convenient and easy to use, and is safe and reliable.

[0006] To achieve the above object, the technical scheme adopted by the utility model is: an auxiliary device for traction machine brake friction plate running-in, including base, movable top plate assembly and armature positioning assembly;

[0007] The movable top plate assembly includes top plate, guide column, ball guide sleeve and top plate return spring, the bottom end of the guide column is fixed on the base, the top plate is provided with guide hole corresponding to the guide column, the ball guide sleeve is installed based on the guide hole and is in sliding cooperation with the guide column, the top plate return spring is sleeved on the guide column and located between the top plate and the base, and the top plate can vertically move along the guide column;

[0008] The armature positioning assembly comprises an armature mounting through slot arranged at the lower end of the top plate and an armature positioning mechanism arranged in the top plate, the armature mounting through slot is a horizontal slot so that the armature can be horizontally clamped in the horizontal slot to give vertical constraint to the armature; the armature positioning mechanism is used for cooperating with the original hole structure at the top end of the armature to give horizontal constraint to the armature; the armature positioning assembly is used for temporarily locking the armature at the lower end surface of the top plate.

[0009] Preferably, the number of guide columns is four, which are arranged at the four corners of the base.

[0010] Preferably, the base is a rectangular frame structure, and the hollow area of the base is an armature passing space.

[0011] Preferably, a stop block is arranged on the base, and the stop block is used for limiting the downward stroke of the top plate.

[0012] Preferably, the armature mounting through slot is two bent plates fixed to the bottom of the top plate, and each of the two bent plates comprises a vertical edge and a horizontal edge, and the horizontal edges of the two bent plates are oppositely arranged to form a hanging part for bearing the armature.

[0013] Preferably, the armature positioning mechanism comprises a positioning hole arranged on the top plate, a hollow shaft arranged in the positioning hole, a positioning shaft sleeved on the hollow shaft, and a positioning shaft return spring sleeved on the positioning shaft.

[0014] The lower part of the positioning shaft is provided with a locking pin, the hollow shaft is provided with an L-shaped locking slot corresponding to the locking pin, the positioning shaft is locked by moving downward and rotating to transfer the locking pin from the vertical slot of the L-shaped locking slot into the horizontal slot, and the positioning shaft is unlocked by rotating and moving upward to transfer the locking pin from the horizontal slot of the L-shaped locking slot into the vertical slot.

[0015] In the locked state, the lower end of the positioning shaft penetrates the lower end surface of the top plate and is clamped into the original hole structure of the armature to constrain the horizontal direction of the armature.

[0016] Preferably, the upper part of the positioning shaft is provided with a handle.

[0017] Preferably, the number of armature positioning mechanisms is at least two, and the two armature positioning mechanisms are diagonally distributed with the center of the top plate as a boundary.

[0018] Preferably, the locking pin and the positioning shaft are in an assembled structure or an integral structure.

[0019] Preferably, the handle is a bolt in threaded connection with the positioning shaft.

[0020] Preferably, the top plate is provided with a positioning slot for cooperating with the armature positioning.

[0021] The utility model discloses relative prior art has substantial characteristics and progress, specifically speaking, the utility model has the following advantages:

[0022] Utilize the device, can realize the quick assembly of armature assembly, and complete armature assembly's temporary fixing and short distance depression, cooperate with the grinding-in machine and can quickly grind-in armature, and the locking of each direction is all completed using structural cooperation, does not need manual participation, reduces the manual labor intensity in the grinding-in process, and the convenient and easy use is safe and reliable.

[0023] The structural strength of the entire auxiliary device is stable, the performance is reliable, the assembly process of the armature assembly can be quickly completed, replacement is also more simple, and the grinding-in efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic view of an auxiliary device for grinding-in of a friction plate of a traction machine brake in the utility model.

[0025] Figure 2 It is a perspective view of an auxiliary device for grinding-in of a friction plate of a traction machine brake in the utility model.

[0026] Figure 3 It is a detail view of an auxiliary device for grinding-in of a friction plate of a traction machine brake in the utility model.

[0027] Figure 4 It is an application schematic view of an auxiliary device for grinding-in of a friction plate of a traction machine brake in the utility model.

[0028] Figure 5 It is an application state perspective view of an auxiliary device for grinding-in of a friction plate of a traction machine brake in the utility model.

[0029] In the drawing: 100. base, 101. stop block, 200. movable top plate assembly, 201. top plate, 202. guide column, 203. ball guide sleeve, 204. top plate return spring, 205. positioning groove, 300. armature positioning assembly, 301. bent plate, 302. hollow shaft, 303. positioning shaft, 304. positioning shaft return spring, 305. locking pin, 306. locking groove, 307. handle, 400. armature, 401. connecting rod, 501. grinding-in machine base, 502. grinding-in machine, 503. gantry, 504. thin type with guide rod air cylinder, 505. connecting plate, 506. pressing block. DETAILED DESCRIPTION

[0030] The technical scheme of the utility model is described in further detail below through specific embodiments.

[0031] For example, Figures 1-5As shown, an auxiliary device for friction plate running-in of a traction mechanism brake includes a base 100, a movable top plate assembly 200, and an armature positioning assembly 300.

[0032] The movable top plate assembly 200 includes a top plate 201, guide columns 202, ball guide sleeves 203, and a top plate return spring 204. The bottom ends of the guide columns 202 are fixed to the base 100. In this embodiment, the top plate 201 and the base 100 are both designed as rectangles, and the guide columns 202 are configured in four numbers and are fixed at the four corners of the base 100 to form stable guidance.

[0033] The top plate 201 is provided with guide holes corresponding to the guide columns 202, the ball guide sleeves 203 are installed based on the guide holes and are in sliding cooperation with the guide columns 202, and the top plate return spring 204 is sleeved on the guide columns 202 and is located between the top plate 201 and the base 100. The top plate 201 can be vertically lifted and lowered along the guide columns 202.

[0034] The main function of the movable top plate assembly 200 is to cooperate with the cylinder of the running-in machine to provide a certain amount of movement and reset ability to complete the running-in of the armature assembly.

[0035] The base 100 is a rectangular frame structure, and the central area of the frame structure is empty to provide space for the armature assembly to pass through.

[0036] Since the downward distance of the armature assembly is limited, in the preferred embodiment, a stop block 101 is arranged on the base 100 to limit the downward stroke of the top plate 201. The number of the stop blocks 101 is appropriately arranged according to the need and is uniformly distributed on the base 100.

[0037] The armature positioning assembly 300 includes an armature mounting through slot arranged at the lower end of the top plate and an armature positioning mechanism arranged in the top plate.

[0038] The armature mounting through slot is a horizontal slot to allow the armature to be horizontally clamped into the horizontal slot to vertically constrain the armature.

[0039] Specifically, in this embodiment, the armature mounting through slot is two bent plates 301 fixed to the bottom of the top plate. The two bent plates 301 each include a vertical edge and a horizontal edge, and the horizontal edges of the two bent plates 301 are oppositely arranged to form a hanging part for bearing the armature 400.

[0040] The top plate is provided with a positioning slot 205 for cooperating with the positioning of the armature, which is used to cooperate with the connecting rod 401 of the armature 400 to achieve the preliminary positioning of the installation of the armature 400.

[0041] In horizontal direction, two curved plates 301 form horizontal channels, when installing armature 400, armature 400 can be clamped into horizontal channels through horizontal insertion, completing the installation of armature 400.

[0042] The top end of armature 400 originally has a hole structure for assembly, and the armature positioning mechanism is used to cooperate with the original hole structure of the top end of the armature to give horizontal constraint to the armature.

[0043] Specifically, in the embodiment, the armature positioning mechanism includes a positioning hole opened on the top plate, a hollow shaft 302 installed in the positioning hole, a positioning shaft 303 sleeved in the hollow shaft 302, and a positioning shaft return spring 304 sleeved outside the positioning shaft 303.

[0044] The lower part of the positioning shaft 303 is provided with a locking pin 305, and the locking pin 305 and the positioning shaft 303 are assembled or integrated.

[0045] The hollow shaft 302 is provided with an L-shaped locking groove 306 corresponding to the locking pin 305, and the positioning shaft 303 is locked by moving downward and rotating, and the locking pin 305 is transferred from the vertical groove of the L-shaped locking groove 306 to the horizontal groove to realize locking, and conversely, the positioning shaft 303 is unlocked by rotating and moving upward, and the locking pin is transferred from the horizontal groove of the L-shaped locking groove 306 to the vertical groove to realize unlocking.

[0046] In the locked state, the lower end of the positioning shaft 303 penetrates the lower end surface of the top plate 201 and is clamped into the original hole structure of the armature 400, and the horizontal direction of the armature 400 is constrained.

[0047] In general, the armature positioning assembly is used to temporarily lock the armature 400 at the lower end surface of the top plate 201.

[0048] In order to facilitate the operation of the positioning shaft 303, a handle 307 is installed on the upper part of the positioning shaft 303, and the handle 307 is a bolt screwed with the positioning shaft.

[0049] In order to ensure stable stress, the number of the armature positioning mechanism is at least two, and the two armature positioning mechanisms are distributed diagonally with the center of the top plate as the boundary.

[0050] Principle of use:

[0051] The auxiliary device is used in cooperation with the grinding machine in the industry to temporarily lock the armature.

[0052] The grinding machine includes a grinding machine base 501, a grinding machine 502, a gantry 503, and a thin guide rod cylinder 504 suspended on the gantry 503, the top end of the thin guide rod cylinder 504 is installed on the gantry 503 through a connecting plate 505, and the bottom end is connected to a pressing block 506 through a connecting plate.

[0053] In use, the base 100 of the auxiliary device is fixed at the running-in workbench of the running-in machine 502.

[0054] A magnet armature 400 to be run-in is first horizontally pushed into the magnet armature mounting slot, and the connecting rod 401 of the magnet armature 400 is clamped into the positioning slot 205 to preliminarily position the magnet armature 400. At this time, the original hole structure at the top end of the magnet armature 400 is opposite to the positions of the positioning shafts 303.

[0055] The positioning pin 305 is horizontally clamped into the locking slot 306 by pressing the handle 307 to lower the positioning shaft 303 and rotate it by a certain angle, so as to horizontally lock the magnet armature 400.

[0056] After the magnet armature 400 is locked, the running-in is started.

[0057] The thin guide rod cylinder 504 is driven to lower the pressing block 506, the top plate 201 is driven to move downward as a whole, and the magnet armature 400 is further driven to move downward to contact the rotating part of the friction plate contact running-in machine. The friction plate on the magnet armature is run-in by the running-in equipment, and the running-in is stopped when the top plate contacts the stop block 101. The equipment is returned, the positioning shaft 303 is reset, and the magnet armature assembly is removed. The friction plate running-in is completed.

[0058] Finally, it should be noted that: the above has made a detailed description of the preferred embodiment of the patent, but the patent is not limited to the above-mentioned embodiments, within the knowledge range of the ordinary skill in the art, various changes can be made without departing from the purpose of the patent.

Claims

1. An auxiliary device for break-in of a friction plate of a traction machine brake, characterized in that: The base, the movable top plate assembly and the armature positioning assembly are provided. The movable top plate assembly comprises a top plate, guide columns, ball guide sleeves and a top plate return spring. The armature positioning assembly comprises an armature mounting through slot arranged at the lower end of the top plate and an armature positioning mechanism arranged in the top plate.

2. The auxiliary device for break-in of an elevator brake friction plate according to claim 1, characterized in that: The guide columns are arranged at the four corners of the base.

3. The auxiliary device for break-in of an elevator hoist machine brake friction plate of claim 1, wherein: The base is a rectangular frame structure, and the hollow region of the base is an armature passing space.

4. The auxiliary device for break-in of a traction machine brake friction plate according to claim 1 or 3, characterized in that: A stop block is arranged on the base to limit the downward stroke of the top plate.

5. The auxiliary device for break-in of an elevator hoist machine brake friction plate according to claim 4, characterized in that: The armature mounting through slot is two bent plates fixed to the bottom of the top plate.

6. The auxiliary device for break-in of an elevator hoist machine brake friction plate according to claim 5, characterized in that: The armature positioning mechanism comprises a positioning hole arranged on the top plate, a hollow shaft arranged in the positioning hole, a positioning shaft sleeved in the hollow shaft and a positioning shaft return spring sleeved outside the positioning shaft. The lower part of the positioning shaft is provided with a locking pin, and the hollow shaft is provided with an L-shaped locking groove corresponding to the locking pin. In the locked state, the lower end of the positioning shaft passes through the lower end surface of the top plate and is clamped into the original hole structure of the armature to constrain the horizontal direction of the armature.

7. The auxiliary device for break-in of an elevator hoist machine brake friction plate according to claim 6, characterized in that: The upper part of the positioning shaft is provided with a handle.

8. The auxiliary device for break-in of an elevator brake friction plate according to claim 7, characterized in that: The number of the armature positioning mechanisms is at least two, and the two armature positioning mechanisms are diagonally distributed with the center of the top plate as the boundary.

9. Auxiliary device for the running-in of a friction plate of a traction machine brake according to claim 8, characterized in that The positioning pin and the positioning shaft are assembled or integrated.

10. The auxiliary device for break-in of an elevator hoist machine brake friction plate of claim 9, wherein: A positioning groove is arranged on the top plate to cooperate with the armature positioning.

Images