CN209756665U - Pneumatic tire expander - Google Patents

Pneumatic tire expander Download PDF

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Publication number
CN209756665U
CN209756665U CN201920515178.8U CN201920515178U CN209756665U CN 209756665 U CN209756665 U CN 209756665U CN 201920515178 U CN201920515178 U CN 201920515178U CN 209756665 U CN209756665 U CN 209756665U
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Prior art keywords
hook claw
tire
workbench
fixed
expander
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CN201920515178.8U
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Chinese (zh)
Inventor
庹重举
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庹重举
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Abstract

The embodiment of the utility model discloses a pneumatic tire expander, which comprises a workbench, a pair of rollers are rotatably arranged on the right side of the workbench, two vertical straight guide rods are arranged on the top of the workbench and positioned on the right side of the pair of rollers, a transverse guide rod is connected between the two straight guide rods, fixed hooks are rotatably arranged at the top ends of the straight guide rods and the middle ends of the transverse guide rods, a first air cylinder is arranged on the left side of the workbench, a movable hook rack is arranged at the tail end of a piston rod of the first air cylinder, movable hooks are rotatably arranged at the two sides and the lower end of the top end of the movable hook rack, one side tire bead of a tire is fixed by the fixed hooks, the movable hook rack is driven by the first air cylinder to move, the movable hooks pull the other side tire bead of the tire along with the movement of the movable hook rack, so that the tire is expanded, the structure is simple and practical, the fixed hooks and the movable hooks are symmetrically arranged, is not easy to damage.

Description

pneumatic tire expander
Technical Field
The embodiment of the utility model provides a relate to tire repair equipment technical field, concretely relates to pneumatic tire expander.
background
The tyre expander is a machine for expanding the tyre beads at two sides of the tyre and rotating the tyre, is mainly used for repairing the tyre, determines the damage degree and position of the tyre by knocking, listening, seeing and touching, and is also suitable for repairing the liner and the rubber sheet and assembling and disassembling the inner tube to the inner cavity of the tyre before and after vulcanization.
The condition of the tire bead state directly determines whether the tire can leak air, and a tire expander in the current market generally only expands the part to be repaired of the tire, so that the tire bead is unevenly stressed, the tire bead is easy to deform and even damage, the expanding range is small, when a plurality of parts of the tire need to be repaired, the tire needs to be continuously adjusted, the working efficiency is reduced, and in the continuous expanding process, the tire bead is easy to further deform and damage, in addition, the tire is heavy, particularly when a large tire is repaired, the tire is moved to a workbench, the labor is wasted by two persons, the labor is reduced, and the physical consumption of operators is large.
SUMMERY OF THE UTILITY MODEL
therefore, the embodiment of the utility model provides a pneumatic tire expander to solve among the prior art because the tire expander structure is complicated and the inconvenient operating personnel intensity of labour who leads to of tire transport and installation is big, and the problem that work efficiency is low.
in order to achieve the above purpose, the embodiment of the utility model discloses following technical scheme:
A pneumatic tire expander comprises a workbench, wherein a groove is formed in the right side of the workbench, a pair of rollers are rotatably mounted in the groove, a pair of fixed hook claw frames are mounted on the right side of the groove, a straight guide rod is mounted at the top of the workbench, the other end of the straight guide rod is fixed on the fixed hook claw frames, a transverse guide rod is connected between the straight guide rods on two sides, fixed hook claws are rotatably mounted at the top ends of the straight guide rods and the middle ends of the transverse guide rods, a driving support is mounted on the left side of the workbench, a first air cylinder is mounted on the driving support, a movable hook claw frame is mounted at the tail end of a piston rod of the first air cylinder, and movable hook claws are rotatably mounted at two sides of the top end of the movable hook;
The front side of the workbench is provided with a supporting rod bearing, a supporting rod is axially and fixedly installed in the supporting rod bearing, the top of the supporting rod is provided with a suspension arm in a rotating mode through a pin shaft, a second air cylinder is installed between the suspension arm and the supporting rod, and the other end of the suspension arm is connected with a tire holding claw in a hanging mode through a hanging chain in a hanging mode.
Furthermore, the top end of the straight guide rod and the middle end of the transverse guide rod are fixedly sleeved with fixing rings, and fixed hook claw bearings which are bridged on two sides of the fixing rings are arranged at the bottom ends of the fixed hook claws.
Further, move the hook claw frame and constitute by the sealed channel-section steel of tip, the fixed axle is all installed to the ditch inslot at the both ends and the bottom at moving hook claw frame top, the one end of moving the hook claw be equipped with fixed axle normal running fit's moving hook claw bearing.
Furthermore, the inner side of the fixed hook, the two ends of the top of the movable hook frame and the bottom of the movable hook frame are respectively provided with an automatic hook positioning component, the automatic hook positioning component comprises an internal thread cylinder, a screw rotatably arranged in one end of the internal thread cylinder and a positioning steel ball arranged in the other end of the internal thread cylinder, and a spring is arranged between the screw and the positioning steel ball.
Furthermore, the bottom of the support leg of the workbench is hinged with a foldable universal wheel, and the foldable universal wheel comprises a roller support seat hinged with one side of the bottom of the support leg and a roller rotatably arranged at the bottom of the other end of the roller support seat.
Further, the sleeve is installed to the bottom both sides of workstation, slidable mounting has the vice landing leg that is the L type in the sleeve.
Furthermore, the driven telescopic rods with the other ends fixedly connected with the movable hook claw frames are respectively arranged above and below the first air cylinder on the driving support.
The embodiment of the utility model provides a have following advantage:
(1) The piston rod through first cylinder drives the horizontal reciprocating motion of hook claw frame, make the bead of the moving hook claw pulling one side of tire on the moving hook claw frame, and the opposite side bead of tire is then fixed through the fixed hook claw, when moving hook claw frame and keeping away from the fixed hook claw, make the tire constantly expand, on the contrary, then relax the tire, it all is equipped with threely to move hook claw and fixed hook claw, and move the central symmetry about the tire of hook claw and fixed hook claw's position, consequently, in to tire expansion process, the tire can the atress even, not fragile tire, and the tire is when relaxing, rotate the tire of placing on a pair of rollers, the position of operations such as adjustable tire needs to be repaired, make things convenient for operating personnel to operate.
(2) The davit that goes up and down through the drive of second cylinder is installed at the top of workstation, the davit top is installed and is embraced the claw, it can be embraced the tire when the natural drippage, when the tire rises to the workstation top, the bracing piece rotates, make the tire move to the workstation, then loosen and embrace the claw, put the tire to on a pair of roller, and in the same way, the opposite operation can be moved the tire from the workstation, remove the tire through the davit, operating personnel's intensity of labour has been reduced, and efficiency is higher than artifical transport.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the range which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the working table of the present invention;
FIG. 3 is a schematic view of the structure of the movable hook claw frame of the present invention
FIG. 4 is a schematic structural view of the hook fixing claw of the present invention;
Fig. 5 is a schematic structural view of the automatic positioning assembly of the hook of the present invention.
In the figure:
1-a workbench; 2-a roller; 3-fixed hook claw frame; 4-a straight guide rod; 5-a transverse guide rod; 6-hook fixing claw; 7-a sleeve; 8-auxiliary support legs; 9-a drive bracket; 10-a first cylinder; 11-moving hook claw frame; 12-moving hook claw; 13-a strut bearing; 14-a support bar; 15-a boom; 16-a second cylinder; 17-tire holding claw; 18-a fixed ring; 19-hook finger bearing; 20-a fixed shaft; 21-moving hook bearing; 22-automatic positioning assembly of the hook claw; 23 foldable universal wheels; 24-a driven telescopic rod;
2201-an internally threaded barrel; 2202-screws; 2203-hook positioning steel balls; 2204-spring;
2301-roller supporting seat; 2302-wheel.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
As shown in fig. 1 to 4, the utility model discloses a pneumatic tire expander, including workstation 1, its the right side of workstation is equipped with the fluting, a pair of roller 2 is installed to the fluting internal rotation, a pair of fixed hook claw frame 3 is installed on the grooved right side, straight guide arm 4 on fixed hook claw frame 3 is fixed to the other end is installed at the top of workstation 1, both sides be connected with horizontal guide arm 5 between the straight guide arm 4, fixed hook claw 6 is all installed in the top of straight guide arm 4 and the middle-end of horizontal guide arm 5 rotation, drive support 9 is installed in the left side of workstation 1, install first cylinder 10 on the drive support 9, and the end of the piston rod of first cylinder 10 installs the movable hook claw frame 11 that is the T style of calligraphy through universal unsteady bulb, the both sides and the lower extreme on movable hook claw frame 11 top all rotate and install movable hook claw 12.
specifically, after a tire is placed on a pair of rollers 2 (the roller 2 is driven to rotate when the tire rotates to achieve the purpose of adjusting the tire operation position), the fixed hook claws 6 are rotated and adjusted first to enable the hook parts of the three fixed hook claws 6 to extend into the tire, then the fixed hook claws 6 are rotated and fixed to enable the three fixed hook claws 6 to firmly hook the tire, then the movable hook claws 12 are rotated and adjusted, the movable hook claw frame 11 is integrally moved towards the tire by pushing of a piston rod of the first air cylinder 10 to enable the three movable hook claws 6 to firmly hook the tire, when the tire needs to be repaired and other operations, the first air cylinder 10 is controlled to enable the piston rod to drive the movable hook claw frame 11 to reset, so that the movable hook claws 12 on the movable hook claw frame 11 pull one side of the tire, and the tire bead on the other side of the tire is fixed by the fixed hook claws 6, therefore, the tire is expanded, further repairing and other operations are facilitated, when the tire needs to be rotated and the repairing position is adjusted, the piston rod is operated to stretch out, the movable hook claw 6 loosens the tire, then the tire is rotated, the three fixed hook claws 6 and the three movable hook claws 12 are in one-to-one symmetry with respect to the center of the tire, and the other fixed hook claw 6 and the movable hook claw 12 at the top end are respectively in symmetry with the fixed hook claw 6 and the movable hook claw 12 at the bottom end, so that the stress of the tire is uniform, the tire can be automatically positioned, the axis of the tire is kept on the connecting line of the centers of the three fixed hook claws 6 and the centers of the three movable hook claws 12, and the tire cannot be deflected.
in addition, a support rod bearing 13 is arranged on the front side of the workbench 1, a support rod 14 is axially and fixedly mounted in the support rod bearing 13, an L-shaped suspension arm 15 is rotatably mounted at the top of the support rod 14 through a pin shaft, a second air cylinder 16 is mounted between the suspension arm 15 and the support rod 14, and a tire holding claw 17 is hung at the other end of the suspension arm 15 through a hanging chain.
The height of the suspension arm 15 is adjusted by operating the extension and retraction of the second cylinder 16, the tire holding claw 17 is composed of a pair of claw bodies with hinged tops, the tops of the claw bodies are connected with the hanging chain, when the pair of claw bodies naturally droop, the lower end of the tire holding claw 17 is closed, when the tire needs to be conveyed to the pair of rollers 2, the lower ends of the pair of claw bodies are separated and respectively clamped at two sides of the tire to hold the tire, at the moment, the second cylinder 16 is operated to jack the upper end of the suspension arm 15, the tire is lifted to a proper height through the suspension arm 15, the supporting rod 14 is rotated to move the tire to the workbench 1, then the holding claw is taken down, the tire is rolled to the pair of rollers 2, the tire is moved through the suspension arm 15, the labor intensity of operators is greatly reduced, and the working efficiency is improved.
Further, the top end of the straight guide rod 4 and the middle end of the transverse guide rod 5 are fixedly sleeved with fixing rings 18, and the bottom ends of the fixed hook claws 6 are provided with fixed hook claw bearings 19 which are bridged on two sides of the fixing rings 18.
further, the movable hook claw frame 11 is composed of a channel steel with a sealed end, fixed shafts 20 are vertically installed at two ends of the top of the movable hook claw frame 11 and in grooves in the bottom of the movable hook claw frame, and a movable hook claw bearing 21 in running fit with the fixed shafts 20 is arranged at one end of the movable hook claw 12.
further, as shown in fig. 5, the inner side of the fixed hook 6 and both ends and bottom of the top of the movable hook frame 11 are both provided with a hook fixing component 22, the hook fixing component 22 comprises an internal thread cylinder 2201 and a screw 2202 rotatably mounted in one end of the internal thread cylinder 2201, the other end of the internal thread cylinder 2201 is provided with a hook positioning steel ball 2203, a spring 2204 for tightly abutting the hook positioning steel ball 2203 against the fixed ring 18 or the movable hook bearing 21 is mounted between the screw 2202 and the hook positioning steel ball 2203, the surface of the fixed ring 18 or the movable hook bearing 21 is provided with a pit matched with the hook positioning steel ball 2203, and the fixed hook 6 or the movable hook 12 is kept fixed by the hook positioning steel ball 2203 clamped in the pit.
Furthermore, the bottom of four support legs of the working table 1 is hinged with a foldable universal wheel 23, the foldable universal wheel 23 comprises a roller support base 2301 hinged with one side of the bottom of the support leg and a roller 2302 rotatably mounted at the bottom of the other end of the roller support base 2301, when the device needs to be moved integrally, the roller support base 2301 is rotated to support the device on the ground through the roller 2302, and on the contrary, the roller support base 2301 is rotated to turn over the roller 2302 to support the device on the ground through the support legs 101, so that the device is prevented from moving integrally.
Preferably, sleeve pipes 7 are installed on two sides of the bottom of the workbench 1, L-shaped auxiliary support legs 8 are installed in the sleeve pipes 7 in a sliding mode, the auxiliary support legs 8 can further stabilize the whole device, and the disassembly and the assembly are convenient.
preferably, driven telescopic rods 24 with the other ends fixedly connected with the movable hook claw frame 11 are respectively installed above and below the first cylinder 10 on the driving support 9, and the two driven telescopic rods 24 can support the movable hook claw frame 11, so that the service life of the first cylinder 10 is prolonged.
It is further supplementary to explain, the top of workstation 1 just is located and is equipped with the box body outside drive support 9, and installation water oil separating voltage regulator in the box body, and external air supply is connected with first cylinder control valve and second cylinder control valve respectively through water oil separating voltage regulator, first cylinder control valve and second cylinder control valve are installed respectively in a pair of fixed hook claw frame 3's the outside, control the motion of second cylinder 16 and first cylinder 10 respectively through first cylinder control valve and second cylinder control valve to control the motion of movable hook claw frame 11 and davit 15.
The utility model has the main characteristics that: the automatic tire positioning device is simple in structure, convenient to produce and install and easy to operate, the fixed hook claw and the movable hook claw can automatically position a tire, the tire is prevented from deviating, the tire is moved to the workbench through the suspension arm, the labor intensity of workers is reduced, and the working efficiency is improved.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (7)

1. A pneumatic tyre expander, includes workstation (1), its characterized in that: the right side of the workbench is provided with a groove, the groove is internally and rotatably provided with a pair of rollers (2), the right side of the groove is provided with a pair of fixed hook claw frames (3), the top of the workbench (1) is provided with a straight guide rod (4) of which the other end is fixed on the fixed hook claw frames (3), a transverse guide rod (5) is connected between the straight guide rods (4) at two sides, the top end of each straight guide rod (4) and the middle end of the corresponding transverse guide rod (5) are both rotatably provided with a fixed hook claw (6), the left side of the workbench (1) is provided with a driving support (9), a first air cylinder (10) is arranged on the driving support (9), the tail end of a piston rod of the first air cylinder (10) is provided with a movable hook claw frame (11), and the two sides and the lower end of the top end of the movable hook claw frame;
The front side of the workbench (1) is provided with a supporting rod bearing (13), a supporting rod (14) is axially and fixedly mounted in the supporting rod bearing (13), the top of the supporting rod (14) is provided with a suspension arm (15) in a rotating mode through a pin shaft, a second air cylinder (16) is mounted between the suspension arm (15) and the supporting rod (14), and the other end of the suspension arm (15) is connected with a tire embracing claw (17) through a hanging chain in a hanging mode.
2. A pneumatic tyre expander as claimed in claim 1, wherein: the top end of the straight guide rod (4) and the middle end of the transverse guide rod (5) are fixedly sleeved with fixing rings (18), and fixing hook claw bearings (19) which are bridged on two sides of the fixing rings (18) are arranged at the bottom ends of the fixing hook claws (6).
3. A pneumatic tyre expander as claimed in claim 1, wherein: move hook claw frame (11) and constitute by the sealed channel-section steel of tip, move both ends at hook claw frame (11) top and the ditch inslot of bottom and all install fixed axle (20), the one end of moving hook claw (12) is equipped with moves hook claw bearing (21) with fixed axle (20) normal running fit.
4. A pneumatic tyre expander as claimed in claim 1, wherein: the inner side of the fixed hook claw (6) and the two ends and the bottom of the top of the movable hook claw frame (11) are respectively provided with an automatic hook claw positioning component (22), the automatic hook claw positioning component (22) comprises an internal thread cylinder (2201), a screw (2202) rotatably arranged in one end of the internal thread cylinder (2201) and a positioning steel ball (2203) arranged in the other end of the internal thread cylinder (2201), and a spring (2204) is arranged between the screw (2202) and the positioning steel ball (2203).
5. A pneumatic tyre expander as claimed in claim 1, wherein: the bottom of the support leg of the workbench (1) is hinged with a foldable universal wheel (23), and the foldable universal wheel (23) comprises a roller supporting seat (2301) hinged with one side of the bottom of the support leg and a roller (2302) rotatably mounted at the bottom of the other end of the roller supporting seat (2301).
6. A pneumatic tyre expander as claimed in claim 1, wherein: sleeve pipes (7) are installed on two sides of the bottom of the workbench (1), and auxiliary support legs (8) in an L shape are installed in the sleeve pipes (7) in a sliding mode.
7. A pneumatic tyre expander as claimed in claim 1, wherein: and a driven telescopic rod (24) with the other end fixedly connected with the movable hook claw frame (11) is respectively arranged above and below the first cylinder (10) on the driving support (9).
CN201920515178.8U 2019-04-16 2019-04-16 Pneumatic tire expander Active CN209756665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920515178.8U CN209756665U (en) 2019-04-16 2019-04-16 Pneumatic tire expander

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920515178.8U CN209756665U (en) 2019-04-16 2019-04-16 Pneumatic tire expander

Publications (1)

Publication Number Publication Date
CN209756665U true CN209756665U (en) 2019-12-10

Family

ID=68759454

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920515178.8U Active CN209756665U (en) 2019-04-16 2019-04-16 Pneumatic tire expander

Country Status (1)

Country Link
CN (1) CN209756665U (en)

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