CN216830678U

CN216830678U - Portable puller

Info

Publication number: CN216830678U
Application number: CN202220254129.5U
Authority: CN
Inventors: 张志伟; 徐海军; 马国财; 张希; 贾明; 马生帅; 安浩雷; 陈晓军; 赵浪
Original assignee: Xinjiang Wuxin Copper Co ltd
Current assignee: Xinjiang Wuxin Copper Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-06-28
Anticipated expiration: 2032-02-08

Abstract

The utility model discloses a portable horse ware that draws, include: arm-tie, jack, equipment axle and connecting screw, the arm-tie bolt hole has been seted up in the inside four corners region of arm-tie, the equipment axle outside is equipped with the equipment shaft coupling, the inside arm-tie bolt hole top that is located of equipment shaft coupling is equipped with the shaft coupling bolt hole, be equipped with connecting screw between shaft coupling bolt hole and the arm-tie bolt hole, the utility model discloses central point between arm-tie and equipment shaft coupling puts places the jack, as tensile source, when dismantling equipment shaft coupling and equipment axle, uses jack hydraulic pressure atress back, and equipment axle and equipment shaft coupling will separate and accomplish the dismantlement. Whole horse ware easy operation draws, the atress evenly prevents to damage accessories, through the jack as the power supply, the pulling force is big, whole equipment and equipment shaft coupling phase-match, and occupation space is little, and the application is wide, and connecting screw maintains and changes the convenience, and is high-efficient practical.

Description

Portable puller

Technical Field

The utility model relates to a draw horse ware technical field specifically is portable draws horse ware.

Background

The three-jaw puller is also called a three-foot puller, which is a tool frequently used in mechanical maintenance. Mainly for axially removing damaged bearings from the shaft. Mainly comprises a rotating handle, a screw rod and a pulling claw. The two-jaw three-jaw bearing has two jaws and three jaws, and the main dimensions are the length of a pull jaw, the distance between the pull jaws and the length of a screw rod so as to adapt to bearings with different diameters and different axial installation depths. When the device is used, the screw rod tip is positioned in the shaft end tip hole to adjust the position of the pull claw, so that the pull claw is hooked on the outer ring of the bearing, and the pull claw drives the bearing to move outwards along the axial direction to be dismounted by rotating the rotating handle.

The existing three-foot pulling horse is usually used for dismounting belt wheels, bearings, gears, coolers and other parts, and because the three-foot pulling horse works through screw teeth on a screw rod, the bearing force of a screw is large, the stress points of three corners are not concentrated, and the three-foot pulling horse usually has four defects in the using process: firstly, damage accessories easily during the dismantlement, secondly the pulling force is not big, runs into the accessories that the magnitude of interference is big and pulls out motionless at all, and the site space is little, can't carry out the operation, and fourth is that repetitious usage screw tooth is fragile, and repair cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable horse ware that draws to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: portable puller, comprising: the novel equipment comprises a pulling plate, a jack, an equipment shaft and a connecting screw rod, pulling plate bolt holes are formed in four corner regions inside the pulling plate, an equipment shaft coupler is arranged on the outer side of the equipment shaft, a coupler bolt hole is formed in the position, located above the pulling plate bolt hole, inside the equipment shaft coupler, a connecting screw rod is arranged between the coupler bolt hole and the pulling plate bolt hole, a screw rod head is arranged at one end of the bottom of the connecting screw rod, a connecting nut is arranged on the position, located above the equipment shaft coupler, of the outer side of the top of the connecting screw rod, and the jack is arranged in the center of the top of the pulling plate.

Furthermore, a key is arranged between the equipment shaft and the equipment coupler.

Furthermore, a key groove is formed in the key installation position between the equipment shaft and the equipment coupler.

Further, the diameter of the top piston rod of the jack is smaller than the outer diameter of the equipment shaft.

Further, the jack stroke is greater than the depth of the equipment coupling on the equipment shaft.

Furthermore, the number of the connecting screw rods is four, and the four connecting screw rods are uniformly distributed in the pulling plate in the circumferential direction.

Further, the pull plate bolt holes and the coupler bolt holes are on the same vertical line.

Furthermore, the outer wall of the bottom of the jack is provided with a reinforcing rib.

Furthermore, the top of the pulling plate is provided with anti-skid lines at the jack placing position.

Furthermore, the pulling plate is made of a round steel plate, and the thickness of the pulling plate is not less than 12 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a pull plate, jack and equipment shaft coupling that set up, realized when portable puller ware uses, set up through pull plate and equipment shaft coupling bolt hole one-to-one, connect root connecting screw respectively upper portion and lower part position department between pull plate and equipment shaft coupling, and the one end of each connecting screw uses connecting nut to connect, central point between pull plate and equipment shaft coupling puts places the jack, as tensile source, when dismantling equipment shaft coupling and equipment shaft, use behind the jack hydraulic pressure atress, equipment shaft and equipment shaft coupling will separate the completion and dismantle. Whole horse ware easy operation draws, the atress evenly prevents to damage accessories, through the jack as the power supply, the pulling force is big, whole equipment and equipment shaft coupling phase-match, and occupation space is little, and the application is wide, and connecting screw maintains and changes the convenience, and is high-efficient practical.

Drawings

FIG. 1 is a schematic sectional view of the overall front view structure of the present invention;

fig. 2 is a schematic view of the overall bottom view structure of the present invention.

In the figure: 1. pulling a plate; 2. a plate pulling bolt hole; 3. a screw head; 4. a jack; 5. an equipment coupling; 6. a coupling bolt hole; 7. an equipment shaft; 8. a key; 9. connecting a screw rod; 10. and connecting a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: portable puller, comprising: arm-tie 1, jack 4, equipment axle 7 and connecting screw 9, arm-tie bolt hole 2 has been seted up in the inside four corners region of arm-

tie

1, 7 outside joints of equipment axle have

equipment shaft coupling

5, 5 inside arm-tie bolt holes 2 tops of lieing in of equipment shaft coupling have seted up shaft coupling bolt hole 6, it has connecting screw 9 to peg graft between shaft coupling bolt hole 6 and the arm-tie bolt hole 2, connecting screw 9 bottom one end welding has screw head 3, connecting screw 9 top outside lies in 5 top threaded connection of equipment shaft coupling and has connecting nut 10, jack 4 has been placed to 1 top central authorities of arm-tie.

The key 8 is clamped between the equipment shaft 7 and the equipment shaft coupler 5, a key groove is formed in the installation position, located at the key 8, between the equipment shaft 7 and the equipment shaft coupler 5, the diameter of a piston rod at the top of the jack 4 is smaller than the outer diameter of the equipment shaft 7, and the stroke of the jack 4 is larger than the depth of the equipment shaft coupler 5 on the equipment shaft 7.

Connecting screw 9 has four, and four connecting screw 9 are circumference evenly arranged in arm-tie 1, and arm-tie bolt hole 2 and shaft coupling bolt hole 6 are on same vertical line, and the welding of 4 bottom outer walls of jack has the strengthening rib, and 1 top of arm-tie is located jack 4 and places the position and has seted up anti-skidding line, and arm-tie 1 is circular steel sheet material, and arm-tie 1 thickness is not less than 12 mm.

The working principle is as follows: when the portable puller is used, the pulling plate 1 and the equipment coupler bolt holes 6 are arranged in a one-to-one correspondence mode, 4 connecting screw rods 9 are respectively connected to the upper portion and the lower portion between the pulling plate 1 and the equipment coupler 5, one end of each connecting screw rod 9 is connected through a connecting nut 3, a jack 4 is placed at the center position between the pulling plate 1 and the equipment coupler 5 and serves as a tensile source, and when the equipment coupler 5 and an equipment shaft 7 are disassembled, the equipment shaft 7 and the equipment coupler 5 are separated to complete disassembly after the jack 4 is hydraulically stressed. Whole horse ware easy operation draws, the atress evenly prevents to damage accessories, through jack 4 as the power supply, the pulling force is big, whole equipment and 5 phase-matches of equipment shaft coupling, and occupation space is little, and the application scope is wide, and connecting screw 9 maintains and changes the convenience, and is high-efficient practical.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Portable puller, comprising: arm-tie (1), jack (4), equipment axle (7) and connecting screw (9), its characterized in that: the novel pulling plate is characterized in that pulling plate bolt holes (2) are formed in four corner areas inside the pulling plate (1), an equipment shaft (7) is arranged on the outer side of the equipment shaft coupler (5), a coupler bolt hole (6) is formed in the position, located above the pulling plate bolt hole (2), inside the equipment shaft coupler (5), a connecting screw rod (9) is arranged between the coupler bolt hole (6) and the pulling plate bolt hole (2), a screw rod head (3) is arranged at one end of the bottom of the connecting screw rod (9), a connecting nut (10) is arranged on the position, located above the equipment shaft coupler (5), of the outer side of the top of the connecting screw rod (9), and a jack (4) is arranged in the center of the top of the pulling plate (1).

2. The portable puller according to claim 1, wherein: and a key (8) is arranged between the equipment shaft (7) and the equipment coupling (5).

3. The portable puller according to claim 2, wherein: a key groove is formed in the mounting position, located on the key (8), between the equipment shaft (7) and the equipment coupler (5).

4. The portable puller according to claim 1, wherein: the diameter of a piston rod at the top of the jack (4) is smaller than the outer diameter of the equipment shaft (7).

5. The portable puller according to claim 1, wherein: the stroke of the jack (4) is larger than the depth of the equipment coupler (5) on the equipment shaft (7).

6. The portable puller according to claim 1, wherein: the number of the connecting screw rods (9) is four, and the four connecting screw rods (9) are uniformly distributed in the pulling plate (1) in the circumferential direction.

7. The portable puller according to claim 1, wherein: the pull plate bolt holes (2) and the coupler bolt holes (6) are on the same vertical line.

8. The portable puller according to claim 1, wherein: and reinforcing ribs are arranged on the outer wall of the bottom of the jack (4).

9. The portable puller according to claim 1, wherein: the top of the pulling plate (1) is provided with anti-skid lines at the position where the jack (4) is placed.

10. The portable puller according to claim 1, wherein: the pulling plate (1) is made of a round steel plate, and the thickness of the pulling plate (1) is not less than 12 mm.