Wheel puller
By designing a clamping mechanism and a pulley ejection mechanism, the problem of unstable clamping of pulleys of different diameters and hardness in existing pulley pullers has been solved, achieving efficient and stable pulley extraction.
Patent Information
- Application Number
- CN202520396684.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing pulley pullers have difficulty in stably clamping pulleys of different diameters and hardness. The claw arms of three-jaw pullers are not easy to fix and are prone to slippage, which affects the pulley pulling efficiency.
A puller comprising a clamping mechanism and a puller ejection mechanism was designed. By adjusting components such as the threaded ring, rotating plate, clamping rotating arm, and locking bolt, it can adaptively clamp pullers of different diameters and depths, and use a high-power ejection motor for stable ejection.
It improves the efficiency and stability of pulley removal, can adapt to pulleys of different diameters and hardness, and reduces the occurrence of pulley slippage.
Smart Images

Figure CN223802505U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wheel puller technical field, concretely is a wheel puller. BACKGROUND
[0002] The wheel puller is used for pulling out the pulley from the motor spindle, at present, the commonly used wheel puller of people has three claw wheel puller, two claw wheel puller and regular shape's hydraulic wheel puller etc., and the main principle is to use claw to grab the outside of the wheel, and uses hydraulic pressure or screw rod to exert pressure and pulls out the wheel disc, these wheel pullers are difficult to apply to the disassembly of the bearing with irregular contour and the bearing with smaller gap, and are easy to produce deformation.
[0003] The wheel puller disclosed in publication No. CN212265693U is used for pulling out the pulley, the U-shaped groove sleeve on the drawing piece is sleeved into the element, then the piston assembly of the hydraulic puller mechanism is ejected, after the head tip acts on the center stress point of the workpiece, the piston assembly is continuously ejected and the element is taken out, the U-shaped groove sleeve set on the drawing piece can be suitable for the working condition that the working gap is narrower, the drawing piece is not easy to deform and more durable when the element is ejected, the product is automatically centered, and the operation is more convenient, but the patent still has the following problems in the actual use process:
[0004] The wheel puller can pull out the pulley by sleeving the U-shaped groove sleeve on the drawing piece into the element and then ejecting the piston assembly of the hydraulic puller mechanism, but cannot stably clamp pulleys with different diameters, and the pulley can be pulled out by the three-claw wheel puller in the prior art, but the claw arm of the three-claw wheel puller is not easy to fix, and the claw is easy to fall off, thereby affecting the wheel pulling efficiency of the three-claw wheel puller.
[0005] Therefore, a wheel puller is provided to solve the problems in the prior art. UTILITY MODEL CONTENTS
[0006] The utility model discloses a wheel puller to solve the problems in the prior art that different diameter pulleys cannot be stably clamped, and the pulley can be pulled out by the three-claw wheel puller in the prior art, but the claw arm of the three-claw wheel puller is not easy to fix, and the claw is easy to fall off, thereby affecting the wheel pulling efficiency of the three-claw wheel puller.
[0007] To achieve the above object, the utility model provides the following technical scheme: a wheel puller, comprising a clamping mechanism, and an adjusting support installed at the bottom of the clamping mechanism.
[0008] The inside of the clamping mechanism is provided with a wheel pulling and ejecting mechanism, and the inside of the wheel pulling and ejecting mechanism is provided with an ejecting fixed plate.
[0009] Further comprising:
[0010] The clamping mechanism comprises an adjusting screw ring, a plurality of fixed supports are fixedly installed on the outer side of the adjusting screw ring, and the outer sides of the fixed supports are symmetrically connected with rotating plates through rotation;
[0011] The end portions of the two rotating plates are connected with clamping rotating arms through rotation, one end of the clamping rotating arm is fixedly installed with a fixed hook;
[0012] The adjusting support is fixedly installed at the end of the clamping rotating arm away from the fixed hook, and a locking bolt is threadedly connected with one side of the adjusting support.
[0013] Preferably, the inside of the adjusting support is rotatably connected with an adjusting hook, one side of the adjusting hook is rotatably connected with an adjusting knob, the end portion of the adjusting knob is fixedly installed with a bevel gear transmission assembly, one side of the bevel gear transmission assembly is fixedly connected with an adjusting screw rod, and the outer side of the adjusting screw rod is threadedly connected with an adjusting screw sleeve.
[0014] Preferably, the top of the adjusting screw sleeve is fixedly installed with an adjusting plate, the inside of the adjusting plate is slidably connected with a limiting sliding rod, one end of the limiting sliding rod is fixedly installed with a pressing block, the end of the limiting sliding rod away from the pressing block is fixedly installed with a limiting plate, and one side of the pressing block is fixedly installed with a limiting spring.
[0015] Preferably, the pulling wheel ejection mechanism comprises a fixed screw rod, the fixed screw rod is threadedly connected with the adjusting screw ring, the top of the fixed screw rod is fixedly installed with a fixed top plate, the top of the fixed screw rod close to the adjusting screw ring is threadedly connected with a limiting conical block, and the top of the limiting conical block is fixedly installed with an adjusting ring.
[0016] Preferably, the adjusting ring is slidably connected with the fixed screw rod, the outer side of the adjusting ring is fixedly installed with a plurality of adjusting tabs, the bottom of the fixed screw rod is internally provided with an ejection sliding groove, the inside of the ejection sliding groove is fixedly installed with an ejection fixed plate, and the bottom of the ejection fixed plate is fixedly installed with a plurality of ejection fixed rods.
[0017] Preferably, the bottom of the ejection fixed rod is fixedly installed with a fixed bottom plate, a high-power ejection motor is fixedly installed at the bottom center position of the fixed bottom plate, the output end of the high-power ejection motor is fixedly connected with an ejection screw rod, and the outer side of the ejection screw rod is threadedly connected with an ejection screw sleeve.
[0018] Preferably, the ejection screw sleeve is slidably connected with the ejection fixed rod, a plurality of ejection screw supports are fixedly installed at the bottom of the ejection screw sleeve, an ejection sliding rod is fixedly installed at the bottom of the ejection screw support, and an ejection block is fixedly installed at the bottom center position of the ejection sliding rod.
[0019] Compared with the prior art, the beneficial effects of the utility model are: the puller, the rotating angle of the adjusting hook is adjusted through the locking bolt, the adjusting hook is conveniently inserted into one side of the belt pulley, the adjusting screw sleeve drives the adjusting plate to move through the rotation of the bevel gear transmission assembly and the adjusting screw rod driven by the adjusting knob, the belt pulley is pressed by the pressing block by the sliding connection between the limiting sliding rod and the adjusting plate, the pulling efficiency of the belt pulley is improved, the adjusting ring and the limiting conical block are rotated by the adjusting push piece, the limiting conical block is moved by the threaded connection between the limiting conical block and the fixed screw rod, the belt pulley is clamped by the extrusion of the limiting conical block on the clamping rotating arm, and the specific contents are as follows:
[0020] 1. The clamping mechanism can be adjusted by the threaded connection between the adjusting screw ring and the fixed screw rod, the position of the adjusting screw ring on the fixed screw rod is adjusted, the position of the clamping rotating arm is adjusted, different depths of the belt pulley can be adapted, the rotating plate can be rotated by the rotating connection between the rotating plate and the fixed support, the rotating plate can be rotated, the clamping rotating arm can be rotated by the rotating connection between the rotating plate and the clamping rotating arm, different diameters of the belt pulley can be adapted, the two ends of the clamping rotating arm can be replaced by disassembling the bolt, different hardnesses of the belt pulley can be adapted, the rotating angle of the adjusting hook is adjusted through the locking bolt, the adjusting hook is conveniently inserted into one side of the belt pulley, the adjusting screw sleeve drives the adjusting plate to move through the rotation of the bevel gear transmission assembly and the adjusting screw rod driven by the adjusting knob, the belt pulley is pressed by the pressing block by the sliding connection between the limiting sliding rod and the adjusting plate, and the pulling efficiency of the belt pulley is improved.
[0021] 2. The pull-out mechanism can be adjusted by the threaded connection between the adjusting ring and the fixed screw rod, the limiting conical block can be moved, the belt pulley can be clamped by the extrusion of the limiting conical block on the clamping rotating arm, the stability of the belt pulley is improved, the top-out screw rod is rotated by the high-power top-out motor, the top-out screw sleeve drives the top-out threaded support and the top-out sliding rod to move, and the belt pulley is pulled out by the top-out block. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0023] Figure 2 It is the three-dimensional structure schematic diagram of the clamping mechanism in the utility model;
[0024] Figure 3 It is the three-dimensional structure schematic diagram of the adjusting hook in the utility model;
[0025] Figure 4The utility model discloses a three-dimensional structure schematic diagram of the pressing block.
[0026] Figure 5 The utility model discloses a three-dimensional structure schematic diagram of the pulling wheel ejection mechanism.
[0027] Figure 6 The utility model discloses a three-dimensional structure schematic diagram of the ejection block.
[0028] In the drawing: 1, clamping mechanism, 101, adjusting screw ring, 102, fixed support, 103, rotating plate, 104, clamping rotating arm, 105, fixed hook, 106, adjusting support, 107, locking bolt, 108, adjusting hook, 109, adjusting knob, 110, bevel gear transmission assembly, 111, adjusting screw rod, 112, adjusting screw sleeve, 113, adjusting plate, 114, limit sliding rod, 115, pressing block, 116, limit plate, 117, limit spring, 2, pulling wheel ejection mechanism, 201, fixed screw rod, 202, fixed top plate, 203, limit conical block, 204, adjusting ring, 205, adjusting tab, 206, ejection sliding groove, 207, ejection fixed plate, 208, ejection fixed rod, 209, fixed bottom plate, 210, high -power ejection motor, 211, ejection screw rod, 212, ejection screw sleeve, 213, ejection screw support, 214, ejection sliding rod, 215, ejection block. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work fall within the scope of the utility model.
[0030] Please refer to Figures 1-6The utility model provides technical scheme: a wheel puller, including clamping mechanism 1 and the adjusting support 106 of installation in clamping mechanism 1 bottom, the inside of clamping mechanism 1 is provided with wheel puller ejection mechanism 2, and the inside of wheel puller ejection mechanism 2 is provided with ejection fixed plate 207, clamping mechanism 1 includes adjusting screw ring 101, a plurality of fixed support 102 are fixedly installed to the outside of adjusting screw ring 101, the outside of fixed support 102 is connected with rotary plate 103 in symmetry rotation, wherein, the end of two rotary plates 103 is rotatably connected with clamping rotary arm 104, and one end of clamping rotary arm 104 is fixedly installed with fixed hook 105, wherein, adjusting support 106 is fixedly installed at the end of clamping rotary arm 104 away from fixed hook 105, and the side of adjusting support 106 is screw connected with locking bolt 107, and the inside of adjusting support 106 is rotatably connected with adjusting hook 108, and the side of adjusting hook 108 is rotatably connected with adjusting knob 109, and the end of adjusting knob 109 is fixedly installed with bevel gear transmission assembly 110, and one side of bevel gear transmission assembly 110 is fixedly connected with adjusting screw rod 111, and the outside of adjusting screw rod 111 is screw connected with adjusting screw sleeve 112, and the top of adjusting screw sleeve 112 is fixedly installed with adjusting plate 113, and the inside of adjusting plate 113 is slidably connected with limit sliding rod 114, and one end of limit sliding rod 114 is fixedly installed with compression block 115, and the end of limit sliding rod 114 away from compression block 115 is fixedly installed with limit plate 116, and the side of compression block 115 is fixedly installed with limit spring 117, utilize the feature that adjusting screw ring 101 is screw connected with fixed screw rod 201, thereby adjusting the position of adjusting screw ring 101 on fixed screw rod 201, thereby adjusting the position of clamping rotary arm 104, can adapt to the pulley of different depth, utilize the feature that rotary plate 103 is rotatably connected with fixed support 102, can realize the rotation of rotary plate 103, and simultaneously utilize the feature that rotary plate 103 is rotatably connected with clamping rotary arm 104, can realize the rotation of clamping rotary arm 104, can adapt to the pulley of different diameter, since clamping rotary arm 104 is connected with rotary plate 103 through bolt, can replace the both ends of clamping rotary arm 104 by disassembling bolt, thereby adapting to the pulley of different hardness, the rotation angle of adjusting hook 108 is adjusted through locking bolt 107, is convenient for inserting adjusting hook 108 to the side of pulley, make adjusting screw sleeve 112 drive adjusting plate 113 to move through the rotation of bevel gear transmission assembly 110 and adjusting screw rod 111 driven by adjusting knob 109, utilize the feature that limit sliding rod 114 is slidably connected with adjusting plate 113, and utilize compression block 115 to compress the pulley, thereby improving the pull-out efficiency of pulley.
[0031] The pulling wheel ejection mechanism 2 comprises a fixed screw rod 201 which is in threaded connection with the adjusting threaded ring 101, the top of the fixed screw rod 201 is fixedly installed with a fixed top plate 202, the fixed screw rod 201 is in threaded connection with a limiting conical block 203 near the top of the adjusting threaded ring 101, the top of the limiting conical block 203 is fixedly installed with an adjusting ring 204 which is in sliding connection with the fixed screw rod 201, the outer side of the adjusting ring 204 is fixedly installed with a plurality of adjusting push pieces 205, the bottom inner side of the fixed screw rod 201 is provided with an ejection sliding groove 206, the inside of the ejection sliding groove 206 is fixedly installed with an ejection fixed plate 207, the bottom periphery of the ejection fixed plate 207 is fixedly installed with an ejection fixed rod 208, the bottom of the ejection fixed rod 208 is fixedly installed with a fixed bottom plate 209, the bottom center position of the fixed bottom plate 209 is fixedly installed with a high-power ejection motor 210, the output end of the high-power ejection motor 210 is fixedly connected with an ejection threaded rod 211, the outer side of the ejection threaded rod 211 is in threaded connection with an ejection threaded sleeve 212 which is in sliding connection with the ejection fixed rod 208, the bottom periphery of the ejection threaded sleeve 212 is fixedly installed with an ejection threaded support 213, the bottom of the ejection threaded support 213 is fixedly installed with an ejection sliding rod 214, the bottom center position of the ejection sliding rod 214 is fixedly installed with an ejection block 215, the adjusting ring 204 and the limiting conical block 203 are driven to rotate by the adjusting push pieces 205, the limiting conical block 203 is moved by the threaded connection with the fixed screw rod 201, the belt pulley is clamped by the limiting conical block 203 extruding the clamping rotating arm 104, the stability of the belt pulley pulling out is improved, the ejection threaded sleeve 212 drives the ejection threaded support 213 and the ejection sliding rod 214 to move by the rotation of the ejection threaded rod 211 driven by the high-power ejection motor 210, and the belt pulley is ejected by the ejection block 215.
[0032] Working principle: before using the pulley puller, the overall situation of the device needs to be checked to determine whether it can work normally, according to Figure 1 - Figure 6As shown, first, by virtue of the threaded connection between the adjusting threaded ring 101 and the fixed screw 201, the position of the adjusting threaded ring 101 on the fixed screw 201 is adjusted, thereby adjusting the position of the clamping rotating arm 104, so as to adapt to pulleys of different depths; by virtue of the rotating connection between the rotating plate 103 and the fixed support 102, the rotating plate 103 is rotated, and by virtue of the rotating connection between the rotating plate 103 and the clamping rotating arm 104, the clamping rotating arm 104 is rotated, so as to adapt to pulleys of different diameters; since the clamping rotating arm 104 is connected to the rotating plate 103 by bolts, the two ends of the clamping rotating arm 104 can be replaced by disassembling the bolts, thereby adapting to pulleys of different hardnesses; the rotating angle of the adjusting hook 108 is adjusted by the locking bolt 107, so as to facilitate the insertion of the adjusting hook 108 into one side of the pulley; the adjusting knob 109 drives the bevel gear transmission assembly 110 and the adjusting threaded rod 111 to rotate, so that the adjusting threaded sleeve 112 drives the adjusting plate 113 to move, by virtue of the sliding connection between the limiting sliding rod 114 and the adjusting plate 113, and by virtue of the pressing block 115, the pulley is pressed, thereby improving the pulling-out efficiency of the pulley; secondly, the adjusting ring 204 and the limiting conical block 203 are rotated by the adjusting tab 205, by virtue of the threaded connection between the limiting conical block 203 and the fixed screw 201, the limiting conical block 203 is moved, the pulley is clamped by the limiting conical block 203 extruding the clamping rotating arm 104, thereby improving the stability of the pulley pulling-out, the high-power ejection motor 210 drives the ejection threaded rod 211 to rotate, so that the ejection threaded sleeve 212 drives the ejection threaded support 213 and the ejection sliding rod 214 to move, and the pulley is ejected by the ejection block 215.
[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A wheel puller, comprising a clamping mechanism (1) and an adjusting support (106) mounted at the bottom of the clamping mechanism (1); The inside of the clamping mechanism (1) is provided with a wheel pulling ejection mechanism (2), and the inside of the wheel pulling ejection mechanism (2) is provided with an ejection fixed plate (207); characterized in that Further comprising: The clamping mechanism (1) comprises an adjusting threaded ring (101), a plurality of fixed supports (102) are fixedly installed on the outer side of the adjusting threaded ring (101), and the outer side of the fixed support (102) is symmetrically and rotatably connected with a rotating plate (103); Wherein, the ends of the two rotating plates (103) are rotatably connected with clamping rotating arms (104), and one end of the clamping rotating arm (104) is fixedly installed with a fixed hook (105); Wherein, the adjusting support (106) is fixedly installed at one end of the clamping rotating arm (104) away from the fixed hook (105), and one side of the adjusting support (106) is threadedly connected with a locking bolt (107).
2. A wheel puller according to claim 1, characterised in that: The inside of the adjusting support (106) is rotatably connected with an adjusting hook (108), one side of the adjusting hook (108) is rotatably connected with an adjusting knob (109), the end of the adjusting knob (109) is fixedly installed with a bevel gear transmission assembly (110), one side of the bevel gear transmission assembly (110) is fixedly connected with an adjusting threaded rod (111), and the outer side of the adjusting threaded rod (111) is threadedly connected with an adjusting threaded sleeve (112).
3. A wheel puller according to claim 2, wherein: The top of the adjusting threaded sleeve (112) is fixedly installed with an adjusting plate (113), the inside of the adjusting plate (113) is slidably connected with a limiting sliding rod (114), one end of the limiting sliding rod (114) is fixedly installed with a pressing block (115), the end of the limiting sliding rod (114) away from the pressing block (115) is fixedly installed with a limiting plate (116), and one side of the pressing block (115) is fixedly installed with a limiting spring (117).
4. A wheel puller according to claim 1, wherein: The wheel pulling ejection mechanism (2) comprises a fixed screw rod (201), the fixed screw rod (201) is threadedly connected with the adjusting threaded ring (101), the top of the fixed screw rod (201) is fixedly installed with a fixed top plate (202), the top of the fixed screw rod (201) close to the adjusting threaded ring (101) is threadedly connected with a limiting conical block (203), and the top of the limiting conical block (203) is fixedly installed with an adjusting ring (204).
5. A wheel puller according to claim 4, wherein: The adjusting ring (204) is slidably connected with the fixed screw rod (201), a plurality of adjusting tabs (205) are fixedly installed on the outer side of the adjusting ring (204), a ejection sliding groove (206) is formed in the bottom inner side of the fixed screw rod (201), an ejection fixed plate (207) is fixedly installed in the inside of the ejection sliding groove (206), and a plurality of ejection fixed rods (208) are fixedly installed around the bottom of the ejection fixed plate (207).
6. A wheel puller according to claim 5 wherein: The bottom of the ejection fixed rod (208) is fixedly installed with a fixed bottom plate (209), the bottom center position of the fixed bottom plate (209) is fixedly installed with a high-power ejection motor (210), the output end of the high-power ejection motor (210) is fixedly connected with an ejection threaded rod (211), and the outer side of the ejection threaded rod (211) is threadedly connected with an ejection threaded sleeve (212).
7. A wheel puller according to claim 6, wherein: The ejection threaded sleeve (212) is in sliding connection with the ejection fixed rod (208), the bottom of the ejection threaded sleeve (212) is fixedly installed with an ejection threaded support (213), the bottom of the ejection threaded support (213) is fixedly installed with an ejection sliding rod (214), and the bottom center position of the ejection sliding rod (214) is fixedly installed with an ejection block (215).
Citation Information
Patent Citations
Wheel pulling device
CN212265693U