CN211193709U

CN211193709U - Quick extracting tool of brake drum

Info

Publication number: CN211193709U
Application number: CN201921931657.4U
Authority: CN
Inventors: 马瑞鸣; 徐文建
Original assignee: Tianjin Dagu Logistics Co ltd
Current assignee: Tianjin Dagu Logistics Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-07
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a mechanical tool equipment technical field, in particular to quick extracting tool of brake drum, appurtenance includes dolly, pneumatic cylinder, draws horse claw and auxiliary member, and the dolly includes the support frame, and support frame fixed connection draws horse claw and support frame fixed connection in the dolly top, and the pneumatic cylinder passes through the auxiliary member to be connected on the support frame, and the tip of pneumatic cylinder one end is relative with the support frame level, and the auxiliary member makes the pneumatic cylinder can drive the support frame and remove. The utility model discloses a do not need the manual pneumatic cylinder of holding in the palm of staff to carry out the function of operating when dismantling band pulley, bearing.

Description

Quick extracting tool of brake drum

Technical Field

The utility model relates to a mechanical tool equipment technical field, in particular to quick extracting tool of brake drum.

Background

At present, the puller is widely applied to detaching various shaft couplings, gears, bearings, belt pulleys and other fastening parts, and is commonly used when a brake drum on a tire is detached, and the puller can be divided into a mechanical puller and a hydraulic puller.

Prior art's hydraulic pressure draws horse can refer to the utility model patent that the grant bulletin number is CN204584672U, hydraulic pressure draws horse including solid fixed ring, gu be connected with a plurality of jack catchs on the fixed ring, the jack catch includes the piece that colludes, gu fixed ring connects on the pneumatic cylinder, the pneumatic cylinder outer wall is provided with the screw thread, gu pass through threaded connection between fixed ring and the pneumatic cylinder, be provided with the depression bar on the pneumatic cylinder, depression bar connection control lever. When mechanical parts such as a belt wheel, a bearing and the like which are in interference fit on a shaft are disassembled, the clamping jaws hook the belt wheel and the bearing, the position between the fixing ring and the hydraulic cylinder is adjusted until the plunger is in contact with the end face of the shaft, then the control rod is adjusted, the plunger moves forwards, and the belt wheel and the bearing are easily separated from the shaft.

The shortcoming of the prior art is that when the puller is used for dismounting, the hydraulic cylinder needs to be held by the hands of four persons to operate due to the fact that the support frame is not arranged, the hydraulic cylinder is heavy in weight, and the operation amount is increased dangerously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick extracting tool of purpose brake drum does not need the manual pneumatic cylinder that is holding in the palm of staff to operate when dismantling the brake drum.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

The utility model provides a quick extracting tool of brake drum, includes dolly, pneumatic cylinder, draws horse claw and auxiliary member, and the dolly includes the support frame, and support frame fixed connection draws horse claw and support frame fixed connection in dolly top, and the pneumatic cylinder passes through the auxiliary member to be connected on the support frame, and the tip of pneumatic cylinder one end is relative with the support frame level, and the auxiliary member makes the pneumatic cylinder can drive the support frame and remove.

By adopting the technical scheme, when the brake drum needs to be disassembled, the trolley is pushed to the brake drum, a worker holds the trolley by hands, the trolley is in a balanced state, the end part of the puller claw is used for clamping the brake drum, then the hydraulic cylinder is pressurized, one end part of the hydraulic cylinder is horizontally opposite to the end part of the shaft tube and is abutted against the end part of the shaft tube, the end part of the hydraulic cylinder horizontally opposite to the support frame is used for pushing the support frame to the direction far away from the brake drum, the auxiliary part plays a supporting role for the hydraulic cylinder, the support frame drives the puller claw to move to the direction far away from the brake drum, the puller claw drives the brake drum to move relative to the shaft tube, and then the brake drum is disassembled from the shaft tube, so that the function that the worker does not need to manually support the hydraulic cylinder to operate in.

The utility model discloses further set up to: the auxiliary part includes the stationary semi-ring, chain and auxiliary stand, the support frame is the rectangle frame that one end was described for the opening, the support frame includes horizontal stand and vertical frame, vertical frame fixed connection is between the tip of two horizontal stands, the pneumatic cylinder is located between two horizontal stands, the pneumatic cylinder includes hydro-cylinder and piston rod, the hydro-cylinder is relative with one side level that the support frame opening was described, the piston rod is relative with vertical frame level, stationary semi-ring is kept away from between the tip of vertical frame along vertical direction fixed connection at two horizontal stands, auxiliary stand fixed connection is on the dolly, the hydro-cylinder passes through the chain and is connected with stationary semi-ring, the piston rod cooperates with the auxiliary stand butt, the chain is.

By adopting the technical scheme, when the hydraulic cylinder is pressurized, the oil cylinder is abutted to the shaft pipe to drive the piston rod to be abutted to the longitudinal frame, a worker only needs to hold the trolley by hand to enable the trolley to be in a balanced state, then the piston rod is continuously enabled to push the longitudinal frame to move, the end part of the chain connected with the fixed semi-ring is enabled to displace relative to the oil cylinder, the chain is stretched, the support frame drives the puller claw to move, and therefore the brake drum is driven to move relative to the shaft pipe by the puller claw, and further the brake drum is detached.

The utility model discloses further set up to: the dolly still includes the link, and horizontal stand and vertical frame fixed connection are in the upper end of link, and the auxiliary stand is arc portion, and arc portion is along vertical direction fixed connection in the upper end of link, and the one end direction of arc portion opening form upwards.

Through adopting above-mentioned technical scheme, during the installation pneumatic cylinder, place the piston rod in arc portion top, arc portion plays support and limiting displacement to the piston rod for the piston rod can only be along being close to or keeping away from the direction removal of vertical frame, when the pneumatic cylinder is dismantled to needs, can promote the pneumatic cylinder from the top simultaneously, has realized the function that the pneumatic cylinder was dismantled to the convenience.

The utility model discloses further set up to: the end part of the oil cylinder is fixedly connected with a butting disc, the diameter of the butting disc is larger than that of the end part of the oil cylinder, and the chain is connected between the butting disc and the fixed semi-ring.

Through adopting above-mentioned technical scheme, the butt dish makes the butt area increase between hydro-cylinder and the axle type pipe for contact is more stable between hydro-cylinder tip and the axle type pipe.

The utility model discloses further set up to: the one end that vertical frame was kept away from to the link is fixed to be provided with the bracing piece, and fixedly connected with angle piece on the lateral wall that the butt dish is close to the hydro-cylinder, angle piece lower extreme and bracing piece butt.

Through adopting above-mentioned technical scheme, the piece lower extreme of angle and bracing piece butt consequently make the bracing piece further play the supporting role to the hydro-cylinder for hydraulic cylinder is difficult for taking place relative rocking for the dolly.

The utility model discloses further set up to: the outer side wall of the end part of the horizontal frame far away from the longitudinal frame is fixedly connected with a horizontal plate, the puller claw penetrates through the horizontal plate, and the end part of the puller claw close to the longitudinal frame is in threaded connection with a limiting nut.

Through adopting above-mentioned technical scheme, rotate stop nut to stop nut and horizontal plate butt, stop nut plays spacing effect to the tip of drawing the horse claw, draws the horse claw simultaneously and can take place to rotate for the horizontal plate, then it is spacing through stop nut, has realized conveniently adjusting the function that draws the horse claw to set up angle and length.

The utility model discloses further set up to: the trolley comprises a rotating wheel, the rotating wheel is connected to the lower end of the connecting frame, and the rotating wheel is connected to the end portion, close to the opening shape of the supporting frame, of the trolley.

Through adopting above-mentioned technical scheme, rotate the wheel and connect and be close to support frame open-ended tip at the dolly, consequently make the dolly can incline, when the radius of dismantling the tire is different, the highly different of axle type pipe, consequently the highly different of brake drum, through rotating the angle that the wheel adjusted the dolly slope for draw horse claw and brake drum joint, consequently improved extracting tool's adaptability.

The utility model discloses further set up to: triangular iron sheets are fixedly connected at the joints of the horizontal frame and the longitudinal frame.

Through adopting above-mentioned technical scheme, the triangle iron sheet has stability, has strengthened the joint strength between horizontal bracket and the vertical frame.

To sum up, the utility model discloses following technological effect has:

1. By adopting the structure of the disassembling tool, the function that a hydraulic cylinder is not required to be manually supported by a worker to operate when the belt wheel and the bearing are disassembled is realized;

2. By adopting the structure of the auxiliary part, the function of supporting the hydraulic cylinder and simultaneously enabling the hydraulic cylinder to push the support frame to move is realized;

3. Through the structure that adopts limit nut, realized making the function of drawing horse claw angle and length.

Drawings

Fig. 1 is a three-dimensional perspective view of the present embodiment.

In the figure, 1, a trolley; 11. a support frame; 111. a horizontal frame; 112. a longitudinal frame; 1121. a horizontal plate; 1122. a triangular iron sheet; 12. a connecting frame; 121. a support bar; 13. a rotating wheel; 2. a hydraulic cylinder; 21. an oil cylinder; 211. a butting tray; 212. corner pieces; 22. a piston rod; 3. a puller claw; 31. a limit nut; 4. an auxiliary member; 41. a stationary half ring; 42. a chain; 43. an arc-shaped portion.

Detailed Description

As shown in fig. 1, the utility model provides a quick extracting tool of brake drum, extracting tool includes dolly 1, pneumatic cylinder 2, draws horse claw 3 and auxiliary member 4, and dolly 1 includes support frame 11, and support frame 11 fixed connection is in dolly 1 top, draws horse claw 3 and support frame 11 fixed connection, and pneumatic cylinder 2 passes through auxiliary member 4 to be connected on support frame 11, and the tip and the 11 levels of support frame of 2 one ends of pneumatic cylinder are relative, and auxiliary member 4 makes pneumatic cylinder 2 can drive support frame 11 and remove. When the brake drum needs to be disassembled, the trolley 1 is pushed to the brake drum, a worker holds the trolley 1 by hands, the trolley 1 is in a balanced state, the end part of the puller claw 3 is clamped with the brake drum, then the hydraulic cylinder 2 is pressurized, one end part of the hydraulic cylinder 2 is horizontally opposite to the end part of the shaft tube and is abutted against the end part, meanwhile, the end part, horizontally opposite to the support frame 11, of the hydraulic cylinder 2 is enabled to push the support frame 11 in a direction far away from the brake drum, the auxiliary part 4 plays a supporting role on the hydraulic cylinder 2, the support frame 11 drives the puller claw 3 to move in a direction far away from the brake drum, the puller claw 3 drives the brake drum to move relative to the shaft tube, the brake drum is further disassembled from the shaft tube, and therefore, the worker does not need to manually hold the hydraulic cylinder 2 to operate.

As shown in fig. 1, the trolley 1 includes a connecting frame 12 and a rotating wheel 13, the supporting frame 11 is fixedly connected to the upper end of the connecting frame 12, the rotating wheel 13 is rotatably connected to the lower end of the connecting frame 12, the supporting frame 11 is a rectangular frame with an open end, the supporting frame 11 includes a horizontal frame 111 and a longitudinal frame 112, the longitudinal frame 112 is fixedly connected between the ends of the two horizontal frames 111, the hydraulic cylinder 2 is located between the two horizontal frames 111, the hydraulic cylinder 2 includes a cylinder 21 and a piston rod 22, the piston rod 22 is horizontally opposite to the longitudinal frame 112, a butting disc 211 is fixedly connected to the end of the cylinder 21, the diameter of the butting disc 211 is greater than that of the end of the cylinder 21, a corner piece 212 is fixedly connected to the side wall of the butting disc 211 close to the cylinder 21 along the vertical direction, a supporting rod 121 is fixedly arranged at one end of the connecting frame 12. The triangular iron sheets 1122 are fixedly connected to the joints of the horizontal frame 111 and the longitudinal frame 112, and the triangular iron sheets 1122 have stability, so that the connection strength between the horizontal frame 111 and the longitudinal frame 112 is enhanced; the abutting area between the oil cylinder 21 and the shaft tube is increased by the abutting disc 211, so that the end part of the oil cylinder 21 is more stably contacted with the shaft tube; the lower end of the corner piece 212 is abutted to the support rod 121, so that the support rod 121 further supports the oil cylinder 21, and the hydraulic cylinder 2 is not easy to shake relative to the trolley 1. The rotation wheel 13 is connected at the tip that dolly 1 is close to support frame 11 opening form, rotates wheel 13 and connects at dolly 1 and be close to support frame 11 open-ended tip, consequently makes dolly 1 can incline, and when the radius of dismantling the tire is different, the highly difference of axle type pipe, therefore the highly difference of brake drum, through the angle that rotation wheel 13 adjusted dolly 1 slope for draw horse claw 3 and brake drum joint, consequently improved extracting tool's adaptability.

As shown in fig. 1, the auxiliary member 4 comprises a stationary half ring 41, a chain 42 and an auxiliary bracket, the stationary half ring 41 is fixedly connected between the ends of the two horizontal frames 111 far from the longitudinal frame 112, the abutting disc 211 is connected with the stationary half ring 41 through the chain 42, the chain 42 is in a loose state, the auxiliary bracket is fixedly connected with the connecting frame 12, and the piston rod 22 is in abutting fit with the auxiliary bracket. When the hydraulic cylinder 2 is pressurized, the oil cylinder 21 is abutted to the shaft tube, the piston rod 22 is driven to abut to the longitudinal frame 112, a worker only needs to hold the trolley 1 by hand to enable the trolley 1 to be in a balanced state, then the piston rod 22 is continuously enabled to push the longitudinal frame 112 to move, the end part of the chain 42 connected with the fixed half ring 41 is enabled to displace relative to the oil cylinder 21, the chain 42 is stretched at the moment, the support frame 11 drives the puller claw 3 to move, and therefore the brake drum is driven to move relative to the shaft tube by the puller claw 3, and then the brake drum is disassembled.

The auxiliary stand can adopt the drum that sets up along the horizontal direction, perhaps along the arc portion 43 of vertical setting, the utility model adopts the above-mentioned second kind mode. As shown in FIG. 1, the auxiliary support is an arc-shaped portion 43, the arc-shaped portion 43 is fixedly connected above the connecting frame 12, and an opening-shaped end of the arc-shaped portion 43 faces upward. When the hydraulic cylinder 2 is installed, the piston rod 22 is placed above the arc-shaped portion 43, and the arc-shaped portion 43 plays a role in supporting and limiting the piston rod 22, so that the piston rod 22 can only move along the direction close to or away from the longitudinal frame 112, and meanwhile, when the hydraulic cylinder 2 needs to be disassembled, the hydraulic cylinder 2 can be lifted from the top, and the function of conveniently disassembling the hydraulic cylinder 2 is realized.

In order to adjust the angle of the puller claw 3 conveniently, so that the adaptability of the puller claw is enhanced, as shown in fig. 1, a horizontal plate 1121 is fixedly connected to the outer side wall of the end portion of the horizontal frame 111 far away from the longitudinal frame 112, the puller claw 3 penetrates through the horizontal plate 1121, and a limit nut 31 is screwed on the end portion of the puller claw 3 close to the longitudinal frame 112. Rotate limit nut 31 to limit nut 31 and horizontal plate 1121 butt, limit nut 31 plays spacing effect to the tip of drawing horse claw 3, draws horse claw 3 simultaneously and can take place to rotate for horizontal plate 1121, then spacing through limit nut 31 again, has realized conveniently adjusting and has drawn horse claw 3 to set up the function of angle.

The utility model discloses a theory of operation does:

When the brake drum needs to be disassembled, the trolley 1 is pushed to the brake drum, a worker holds the trolley 1 by hands, so that the trolley 1 is in a balanced state, the angle and the length of the puller claw 3 are adjusted by adjusting the limit nut 31, so that the end part of the puller claw 3 is clamped with the brake drum, meanwhile, the oil cylinder 21 is abutted to the shaft-type pipe, the piston rod 22 is driven to be abutted to the longitudinal frame 112, the arc-shaped part 43 supports the piston rod 22, a worker only needs to hold the trolley 1 by hands to enable the trolley 1 to be in a balanced state, then the piston rod 22 is continuously made to push the longitudinal frame 112 to move, the end part of the chain 42 connected with the fixed half ring 41 is made to displace relative to the oil cylinder 21, at this time, the chain 42 is stretched, the support frame 11 drives the puller claw 3 to move, thereby realizing that the puller claw 3 drives the brake drum to move relative to the shaft type pipe, furthermore, the brake drum is disassembled, so that the hydraulic cylinder 2 does not need to be manually supported by a worker to perform operation in the process of disassembling the brake drum.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a quick extracting tool of brake drum, a serial communication port, including dolly (1), pneumatic cylinder (2), draw horse claw (3) and auxiliary member (4), dolly (1) is including support frame (11), support frame (11) fixed connection is in dolly (1) top, draw horse claw (3) and support frame (11) fixed connection, pneumatic cylinder (2) are connected on support frame (11) through auxiliary member (4), the tip of pneumatic cylinder (2) one end is relative with support frame (11) level, auxiliary member (4) make pneumatic cylinder (2) can drive support frame (11) and remove.

2. The quick brake drum dismounting tool according to claim 1, wherein the auxiliary member (4) comprises a stationary half ring (41), a chain (42) and an auxiliary support, the support frame (11) is a rectangular frame with an open end, the support frame (11) comprises a horizontal frame (111) and a longitudinal frame (112), the longitudinal frame (112) is fixedly connected between the ends of the two horizontal frames (111), the hydraulic cylinder (2) is located between the two horizontal frames (111), the hydraulic cylinder (2) comprises a cylinder (21) and a piston rod (22), the cylinder (21) is horizontally opposite to the open side of the support frame (11), the piston rod (22) is horizontally opposite to the longitudinal frame (112), the stationary half ring (41) is vertically fixedly connected between the ends of the two horizontal frames (111) far away from the longitudinal frame (112), and the auxiliary support is fixedly connected to the trolley (1), the oil cylinder (21) is connected with the fixed semi-ring (41) through a chain (42), the piston rod (22) is in butt fit with the auxiliary bracket, and the chain (42) is in a loose state.

3. The quick brake drum dismounting tool according to claim 2, wherein the trolley (1) further comprises a connecting frame (12), the horizontal frame (111) and the longitudinal frame (112) are fixedly connected to the upper end of the connecting frame (12), the auxiliary support is an arc-shaped portion (43), the arc-shaped portion (43) is fixedly connected to the upper end of the connecting frame (12) along the vertical direction, and the opening-shaped end of the arc-shaped portion (43) faces upwards.

4. A tool for the rapid release of a brake drum according to claim 2, wherein a contact disc (211) is fixedly attached to the end of the cylinder (21), the contact disc (211) having a diameter greater than the diameter of the end of the cylinder (21), and wherein the chain (42) is attached between the contact disc (211) and the stationary half ring (41).

5. The quick brake drum dismounting tool as claimed in claim 4, wherein a support rod (121) is fixedly arranged at one end of the connecting frame (12) far away from the longitudinal frame (112), a corner piece (212) is fixedly connected to the side wall of the abutting disc (211) close to the oil cylinder (21), and the lower end of the corner piece (212) abuts against the support rod (121).

6. The quick brake drum dismounting tool according to claim 2, characterized in that a horizontal plate (1121) is fixedly connected to the outer side wall of the end portion of the horizontal frame (111) far away from the longitudinal frame (112), the puller claw (3) penetrates through the horizontal plate (1121), and a limit nut (31) is in threaded connection with the end portion of the puller claw (3) close to the longitudinal frame (112).

7. A tool for the rapid release of brake drums according to claim 2, characterized in that the trolley (1) comprises a rotatable wheel (13), the rotatable wheel (13) is connected to the lower end of the connecting frame (12), and the rotatable wheel (13) is connected to the end of the trolley (1) close to the opening of the supporting frame (11).

8. The quick brake drum dismounting tool according to claim 2, characterized in that a triangular iron sheet (1122) is fixedly connected to the joint of the horizontal frame (111) and the longitudinal frame (112).