CN108939331B - Antiskid type multipurpose hydraulic expander - Google Patents
Antiskid type multipurpose hydraulic expander Download PDFInfo
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- CN108939331B CN108939331B CN201810516571.9A CN201810516571A CN108939331B CN 108939331 B CN108939331 B CN 108939331B CN 201810516571 A CN201810516571 A CN 201810516571A CN 108939331 B CN108939331 B CN 108939331B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
- A62B3/005—Rescue tools with forcing action
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Abstract
The invention provides an anti-skid multipurpose hydraulic expander which comprises an expanding arm main body, a barb belt and an inner inserting block, wherein the expanding arm main body is of a pincer type structure with two symmetrical parts, each expanding arm main body is formed by two layers of symmetrical buckled structures, and the upper part and the lower part of each expanding arm main body are fixed through at least two bolts; and second rotating pins are vertically inserted into two corners of the left end of the expansion arm main body, connecting plates are fixedly connected to the top surfaces and the bottom surfaces of the second rotating pins, and the other ends of the connecting plates are fixedly connected to the top surfaces and the bottom surfaces of the first rotating pins inserted into two corners of the right end of the hydraulic machine main body. The anti-skid multipurpose hydraulic expander structure is formed by mutually matching the various structures, real-time control of expansion is guaranteed, the expansion speed and the expansion degree can be accurately controlled, smooth rescue is guaranteed, and the anti-skid multipurpose hydraulic expander structure has multiple functions, can be used for multiple purposes and improves the use value.
Description
Technical Field
The invention belongs to the technical field of mechanical industrial equipment, and particularly relates to an anti-skid multipurpose hydraulic expander.
Background
In an emergency, it is possible to pay a life cost if it wastes several seconds, and the hydraulic expansion device is used to timely relieve trapped persons from the damaged vehicle. Such a device can also be used to rescue trapped people from a collapsed reinforced concrete structure after an earthquake, for example, in patent application cn201410578145.x, a hand-held hydraulic expander mainly comprises an expanding arm, a pointed head, a hydraulic device and a top handle, wherein the expanding arm comprises an upper sharp arm and a lower sharp arm, the rear parts of the upper sharp arm and the lower sharp arm are provided with semicircular curved domes, and the inner sides of the curved domes are provided with grooves; the hydraulic device comprises a hydraulic cylinder, a hydraulic rod and a hydraulic hand crank, the hydraulic rod is connected with a pointed protruding head in the bent dome, a groove protruding on the pointed protruding head and a groove on the bent dome can be clamped and slide, and the top handle is connected with the hydraulic cylinder at the rearmost part. The handheld hydraulic expander is simple in structure, an operator can perform hand-operated expansion action only by inserting the expansion arm into the expansion part, and the manual hydraulic expander can be conveniently pushed by a person in the expansion process so as to prevent slipping and achieve the purpose of safe expansion.
Based on the above, the present inventors have found that the hydraulic expanders in the prior art and the above patent are easy to fall off during expansion when used, especially when cleaning buildings and stone debris, and even if the expansion arms are provided with protrusions on the outer sides thereof, the hydraulic expanders are very easy to fall off when cleaning plate-shaped objects, and once fall off, the hydraulic expanders may cause a greater hindrance to rescue and even endanger the lives of the persons inside.
Also, for example, in patent application CN201420414152.1, the electro-hydraulic expander is suitable for emergency rescue and relief work, road traffic accidents and other sudden accidents. The electric hydraulic expander comprises an expanding head, a connecting seat, an expanding support, a handheld shell and an oil cylinder driving group, wherein the oil cylinder driving group is arranged in the handheld shell, the oil cylinder driving group is in transmission connection with the expanding head through the connecting seat, the expanding support is arranged on the oil cylinder driving group, and the electric hydraulic expander is characterized by further comprising a connecting rod, a pin shaft, a starting switch, a pressure relief button, a control circuit and a battery seat. This product compact structure, small and exquisite light, easy operation adopts the modularized design, and the battery holder adopts novel high-efficient environmental protection battery.
Adopt a plurality of hydro-cylinders to drive in the above-mentioned patent, increased its expansion stability, but after the expansion, because the inner space is darker, be difficult to carry out auxiliary lighting again from the outside, lack the understanding to the internal environment, cause the hindrance to the rescue.
In view of the above, the present invention provides an anti-skid multipurpose hydraulic expander by improving the existing structure and defects, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides an anti-skid multipurpose hydraulic expander, which solves the problems that the existing hydraulic expanders and the above patents are easy to fall off during expansion, especially when cleaning buildings and stone ballast, even though the hydraulic expander is provided with a protrusion on the outer side of the expansion arm, the hydraulic expander is easy to fall off when cleaning plates, once the hydraulic expander falls off, the hydraulic expander may cause a greater obstacle to rescue, even endanger the lives of internal personnel, and after expansion, the internal space is dark, auxiliary lighting is difficult to be performed from the outside, understanding of the internal environment is lacked, and the obstacle to rescue.
The invention relates to an anti-skid multipurpose hydraulic expander, which is achieved by the following specific technical means:
the anti-skid multipurpose hydraulic expander comprises an expanding arm main body, a hydraulic press main body, a handle, a connecting plug, an auxiliary holding rod, a control panel, a first rotating pin, a second rotating pin, a power block, a power connecting pin, an expanding head, a first hydraulic electric cylinder, a control device, an inner mounting groove, a second hydraulic electric cylinder, a third hydraulic electric cylinder, a fixed connecting block, a hook, a mounting pin cylinder, a mounting pin column, a reinforcing column, a sawtooth block, a pull ring, a connecting plate, an LED spotlight, a through hole, a barb belt and an inner insertion block, wherein the expanding arm main body is of a two-part symmetrical clamp structure, each expanding arm main body is formed by two layers of symmetrical buckling structures, and the upper part and the lower part of the expanding arm main body are fixed through at least two bolts; second rotating pins are vertically inserted into two corners of the left end of the expansion arm main body, connecting plates are fixedly connected to the top surfaces and the bottom surfaces of the second rotating pins, and the other ends of the connecting plates are fixedly connected to the top surfaces and the bottom surfaces of the first rotating pins inserted into two corners of the right end of the hydraulic machine main body; the control panel is fixedly arranged at the left end of the top surface of the hydraulic machine main body, the control device is fixedly arranged at the top of the hydraulic machine main body at the right end of the control panel, and the control device is electrically connected with the control panel; the left ends of the side walls of the front end and the rear end of the control panel are fixedly connected with door-shaped auxiliary holding rods upwards through convex lugs; a handle is horizontally and fixedly arranged on the side wall of the left end of the hydraulic machine main body leftwards, and a connecting plug is fixedly arranged at the left end of the handle; a first hydraulic electric cylinder is fixedly arranged in the middle of the side wall of the right end of the hydraulic press main body, and the first hydraulic electric cylinder is electrically connected with the control device through a common circuit; the movable end of the outer end of the first hydraulic electric cylinder is fixedly connected to the left end side wall of the power block, and two corner angles of the right end side wall of the power block are respectively and rotatably connected to the left end of the inner end side wall main body of the expansion arm main body through power connecting pins; an inner mounting groove is formed in the side wall of the right end of the expansion arm main body, an inner insertion block is inserted into the expansion arm main body through the inner mounting groove, and the right end of the inner insertion block is fixedly connected with an expansion head; a second hydraulic pneumatic cylinder is fixedly arranged on the side wall of the left end of the inner mounting groove, and the movable end of the second hydraulic pneumatic cylinder is rotatably connected in the inner groove of the inner insert block through a rotating shaft; the middle part of the outer side wall of the expansion arm main body is provided with a hook bent leftwards.
Furthermore, pull rings are symmetrically arranged in the middle of an inner groove in the side wall of the left end of the hydraulic machine main body, and through holes are formed in the expansion head.
Furthermore, reinforcing columns are laid on the top and bottom planes of the expansion arm main body from left to right, and the reinforcing columns are sequentially arranged in an externally-tangent mode.
Furthermore, a plurality of mounting pins are uniformly arranged on the upper half part of the outer side wall of the expansion arm main body, and mounting pin cylinders corresponding to the mounting pins are also arranged on the lower half part of the outer side wall of the expansion arm main body.
Furthermore, a barb belt inclined towards the left end is arranged on the outer side wall of the expansion head.
Furthermore, sawtooth blocks are vertically arranged on the inner side wall of the expansion arm main body and the inner side wall of the expansion head.
Furthermore, the bottom of the movable end of the second hydraulic electric cylinder is fixedly connected with a fixed connecting block, and the length and the height of the fixed connecting block are just consistent with those of the inner mounting groove.
Furthermore, a third hydraulic electric cylinder is rotatably connected to the groove in the right side wall of the fixed connecting block through a rotating shaft, and the movable end of the other end of the third hydraulic electric cylinder is rotatably connected to the groove of the inner inserting block through the rotating shaft.
Furthermore, an LED spotlight is arranged in the middle of the side wall of the right end of the power block, and the diameter of the LED spotlight is just consistent with a channel formed when the expansion arm main body is in an expansion state.
Compared with the prior art, the invention has the following beneficial effects:
the setting of pull ring and through-hole, the inner grove middle part symmetry through the left end lateral wall of hydraulic press main part is provided with the pull ring, and has all seted up the through-hole on the expansion head to make pull ring and through-hole can form tractive function jointly, especially when rescuing, often need will carry out the inside part object of the object that collapses of expansion and take out from, so that carry out personnel's equipment rescue more safely.
The setting of installation round pin post and installation round pin section of thick bamboo evenly is provided with a plurality of installation round pin posts on the lateral wall first half through expansion arm main part, and also is provided with the installation round pin section of thick bamboo corresponding with installation round pin post on the lateral wall lower half of expansion arm main part to make the upper and lower two parts of expansion arm main part can form inseparabler connected state in mutual lock, be favorable to the cooperation bolt to strengthen the overall structure of expansion arm main part.
The barb area that is provided with the left end slope through the setting in expansion head and barb area on the lateral wall of expansion head to make the expansion head can block on the expansion thing of both sides after the upset expands, prevent that hydraulic pressure expander from droing, and lead to producing the secondary damage accident.
The second hydraulic electric cylinder and the third hydraulic electric cylinder are arranged, a fixed connecting block is fixedly connected to the bottom of the movable end of the second hydraulic electric cylinder, the length and the height of the fixed connecting block are just consistent with those of the inner mounting groove, so that the fixed connecting block can move in the inner mounting groove along with the movement of the second hydraulic electric cylinder, the groove in the right side wall of the fixed connecting block is rotatably connected with the third hydraulic electric cylinder through a rotating shaft, the movable end of the other end of the third hydraulic electric cylinder is rotatably connected to the groove of the inner insertion block through the rotating shaft, so that the third hydraulic electric cylinder can continuously push the inner insertion block to rotate by taking the rotating shaft at the tail end of the second hydraulic electric cylinder as the two sides of a central phase after the second hydraulic electric cylinder moves to the maximum limit, and finally the expansion head is in an expansion state, so that the hydraulic expander is pulled on an expanded object, preventing the falling off.
The power block and the LED spotlight are arranged, the LED spotlight is arranged in the middle of the side wall of the right end of the power block, and the diameter of the LED spotlight is just consistent with a channel formed when the expansion arm body is in an expanded state, so that the LED spotlight can provide illumination assistance for the expanded space, and rescue is convenient to implement.
The anti-skid multipurpose hydraulic expander structure is formed by mutually matching various structures, secondary expansion can be performed after expansion, each stage of expansion is realized by the electric cylinder, real-time control of expansion is guaranteed, the expansion speed and the expansion degree can be accurately controlled, smooth rescue is guaranteed, and the anti-skid multipurpose hydraulic expander structure has multiple functions, can be used for multiple purposes and improves the use value.
Drawings
Fig. 1 is a schematic left front axial view of the present invention.
Fig. 2 is a schematic diagram of the right rear axial view structure of the invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a structural view showing the expanded arm body of the present invention in a deployed state.
Fig. 5 is a structural diagram of the expansion head of the present invention in a secondary expansion state.
Fig. 6 is a schematic view showing a separation structure of the expansion arm main body in the expanded state according to the present invention.
Fig. 7 is a schematic view of the enlarged portion of fig. 6 of the present invention.
Fig. 8 is a schematic view of the present invention showing the expanded arm body in a closed state and separated from the expanded arm body.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-an expansion arm main body, 2-a hydraulic machine main body, 3-a handle, 4-a connecting plug, 5-an auxiliary holding rod, 6-a control panel, 7-a first rotating pin, 8-a second rotating pin, 9-a power block, 10-a power connecting pin, 11-an expansion head, 12-a first hydraulic electric cylinder, 13-a control device, 14-an internal installation groove, 15-a second hydraulic electric cylinder, 16-a third hydraulic electric cylinder, 17-a fixed connecting block, 101-a hook, 102-an installation pin barrel, 103-an installation pin column, 104-a reinforcing column, 105-a sawtooth block, 201-a pull ring, 701-a connecting plate, 901-an LED spotlight, 1101-a through hole, 1102-a barb belt and 1103-an internal insertion block.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides an anti-skid multipurpose hydraulic expander, which comprises an expanding arm main body 1, a hydraulic machine main body 2, a handle 3, a connecting plug 4, an auxiliary holding rod 5, a control panel 6, a first rotating pin 7, a second rotating pin 8, a power block 9, a power connecting pin 10, an expanding head 11, a first hydraulic electric cylinder 12, a control device 13, an inner mounting groove 14, a second hydraulic electric cylinder 15, a third hydraulic electric cylinder 16, a fixed connecting block 17, a hook 101, a mounting pin cylinder 102, a mounting pin column 103, a reinforcing column 104, a sawtooth block 105, a pull ring 201, a connecting plate 701, an LED spotlight 901, a through hole 1101, a barbed tape 1102 and an inner inserting block 1103, wherein the expanding arm main body 1 is of a clamp type structure with two symmetrical parts, each expansion arm main body 1 is formed by two layers of symmetrical buckling structures, and the expansion arm main bodies 1 are fixed up and down through at least two bolts; the two corners of the left end of the expansion arm main body 1 are vertically inserted with second rotating pins 8, the top surfaces and the bottom surfaces of the second rotating pins 8 are fixedly connected with connecting plates 701, and the other ends of the connecting plates 701 are fixedly connected to the top surfaces and the bottom surfaces of first rotating pins 7 inserted into the two corners of the right end of the hydraulic machine main body 2; the left end of the top surface of the hydraulic machine main body 2 is fixedly provided with a control panel 6, the top of the hydraulic machine main body 2 at the right end of the control panel 6 is fixedly provided with a control device 13, and the control device 13 is electrically connected with the control panel 6 in a common way; the left ends of the front end side wall and the rear end side wall of the control panel 6 are fixedly connected with a door-shaped auxiliary holding rod 5 upwards through convex lugs; a handle 3 is horizontally and fixedly arranged on the side wall of the left end of the hydraulic machine main body 2 leftwards, and a connecting plug 4 is fixedly arranged on the left end of the handle 3; a first hydraulic electric cylinder 12 is fixedly arranged in the middle of the side wall of the right end of the hydraulic machine main body 2, and the first hydraulic electric cylinder 12 is electrically connected with a control device 13; the movable end of the outer end of the first hydraulic electric cylinder 12 is fixedly connected to the side wall of the left end of the power block 9, and two corner angles of the side wall of the right end of the power block 9 are respectively and rotatably connected to the left end of the side wall body at the inner end of the expansion arm body 1 through power connecting pins 10; an inner mounting groove 14 is formed in the side wall of the right end of the expansion arm main body 1, an inner insertion block 1103 is inserted into the expansion arm main body 1 through the inner mounting groove 14, and the right end of the inner insertion block 1103 is fixedly connected with an expansion head 11; a second hydraulic pneumatic cylinder 15 is fixedly arranged on the side wall of the left end of the inner mounting groove 14, and the movable end of the second hydraulic pneumatic cylinder 15 is rotatably connected in the inner groove of the inner plug block 1103 through a rotating shaft; the middle part of the outer side wall of the expansion arm body 1 is provided with a hook 101 which is bent leftwards.
The middle of an inner groove of the left end side wall of the hydraulic machine main body 2 is symmetrically provided with pull rings 201, and the expansion head 11 is provided with through holes 1101, so that the pull rings 201 and the through holes 1101 can jointly form a drawing function.
The expansion arm comprises an expansion arm body 1, a plurality of mounting pins 103 are uniformly arranged on the upper half part of the outer side wall of the expansion arm body 1, and mounting pin cylinders 102 corresponding to the mounting pins 103 are also arranged on the lower half part of the outer side wall of the expansion arm body 1, as shown in fig. 7, so that the upper part and the lower part of the expansion arm body 1 can form a tighter connection state when being mutually buckled, and the expansion arm body 1 is beneficial to reinforcing the whole structure of the expansion arm body 1 by matching with bolts.
Wherein, be provided with barb area 1102 of left end slope on expansion head 11's the lateral wall to make expansion head 11 can block on the extension thing of both sides after the upset expands, prevent that hydraulic pressure expander from droing, and lead to producing the secondary damage accident.
Wherein, all vertically be provided with serration block 105 on the inside wall of expansion arm main part 1 and the inside wall of expansion head 11 to make expansion arm main part 1 and expansion arm main part 1 can form the pressfitting structure like pressure pincers when closed, serration block 105's self structure moreover can increase expansion arm main part 1 and the use durability of expansion head 11.
Wherein, the expansion end bottom fixedly connected with fixed connection block 17 of second hydraulic pneumatic cylinder 15, and fixed connection block 17's length and height just unanimous with the length and the height of interior mounting groove 14 to make fixed connection block 17 can move including mounting groove 14 along with the removal of second hydraulic pneumatic cylinder 15.
Wherein, be connected with third hydraulic pressure electric cylinder 16 through the pivot rotation in the right side wall recess of fixed connection block 17, and the other end expansion end of third hydraulic pressure electric cylinder 16 rotates through the pivot and connects in the recess of interpolation block 1103, thereby make third hydraulic pressure electric cylinder 16 remove to furthest after second hydraulic pressure electric cylinder 15, can continue to promote interpolation block 1103 and use the terminal pivot of second hydraulic pressure electric cylinder 15 to rotate as center looks both sides, finally make expansion head 11 be the expanding state, thereby take off hydraulic pressure expander on the object of expansion, prevent to drop.
The LED spotlight 901 is arranged in the middle of the side wall of the right end of the power block 9, and the diameter of the LED spotlight 901 is just consistent with a channel formed when the expansion arm main body 1 is in an expanded state, so that the LED spotlight 901 can provide illumination assistance for the expanded space, and rescue is convenient to implement.
The specific use mode and function of the embodiment are as follows:
in the invention, a connecting plug 4 is connected with external equipment, a handle 3 is held by hand, each part of a hydraulic expander is controlled on a control panel 6, firstly, a first hydraulic electric cylinder 12 is controlled to push a power block 9 rightwards, so that an expansion arm main body 1 can be expanded towards two sides, second rotating pins 8 are vertically inserted on two corners at the left end of the expansion arm main body 1, connecting plates 701 are fixedly connected on the top surface and the bottom surface of the second rotating pins 8, the other end of each connecting plate 701 is fixedly connected on the top surface and the bottom surface of a first rotating pin 7 inserted on two corners at the right end of a hydraulic machine main body 2, an inner mounting groove 14 is arranged in the side wall at the right end of the expansion arm main body 1, an inner inserting block 1103 is inserted in the inner mounting groove 14 of the expansion arm main body 1, an expansion head 11 is fixedly connected at the right end of the inner inserting block 1103, a second hydraulic electric cylinder 15 is fixedly arranged on the, the movable end of the second hydraulic cylinder 15 is rotatably connected to the inner groove of the inner insert block 1103 through a rotating shaft, the bottom of the movable end of the second hydraulic cylinder 15 is fixedly connected with a fixed connection block 17, and the length and height of the fixed connection block 17 are exactly the same as those of the inner mounting groove 14, so that the fixed connection block 17 can move in the inner mounting groove 14 along with the movement of the second hydraulic cylinder 15, a third hydraulic electric cylinder 16 is rotatably connected to the groove of the right side wall of the fixed connection block 17 through a rotating shaft, and the movable end of the other end of the third hydraulic electric cylinder 16 is rotatably connected to the groove of the inner insert block 1103 through a rotating shaft, so that the inner insert block 1103 can be continuously pushed to rotate with the rotating shaft at the end of the second hydraulic cylinder 15 as the center phase and both sides of the inner insert block after the third hydraulic electric cylinder 16 moves to the maximum limit in the second hydraulic cylinder 15, finally, the expansion head 11 is in an expansion state, so that the hydraulic expander is raked on an expanded object to prevent falling off;
the multipurpose function of the whole device is enhanced through a series of small structures, the LED spotlight 901 is arranged in the middle of the side wall of the right end of the power block 9, the diameter of the LED spotlight 901 is just consistent with a channel formed when the expansion arm body 1 is in an expansion state, so that the LED spotlight 901 can provide illumination assistance for an expanded space, and rescue is convenient to implement, pull rings 201 are symmetrically arranged in the middle of an inner groove of the side wall of the left end of the hydraulic machine body 2, through holes 1101 are formed in the expansion heads 11, so that the pull rings 201 and the through holes 1101 can jointly form a drawing function, the pull rings 201 are symmetrically arranged in the middle of the inner groove of the side wall of the left end of the hydraulic machine body 2, the through holes 1101 are formed in the expansion heads 11, so that the pull rings 201 and the through holes 1101 can jointly form the drawing function, and a plurality of mounting pins 103 are uniformly arranged on the upper half part of the outer side wall, and also be provided with the installation cotter 102 corresponding with installation cotter 103 on the lateral wall lower half of expansion arm main part 1, as shown in fig. 7, thereby make the upper and lower two parts of expansion arm main part 1 can form inseparabler connected state in mutual lock, be favorable to the cooperation bolt to strengthen the overall structure of expansion arm main part 1, and be provided with barb area 1102 that inclines to the left end on the lateral wall of expansion head 11, thereby make expansion head 11 can block on the extension of both sides after the upset expands, prevent that hydraulic pressure expander from droing, and lead to producing the secondary injury accident.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. Antiskid type multipurpose hydraulic pressure expander, its characterized in that: the anti-skid multipurpose hydraulic expander comprises an expanding arm main body, a hydraulic press main body, a handle, a connecting plug, an auxiliary holding rod, a control panel, a first rotating pin, a second rotating pin, a power block, a power connecting pin, an expanding head, a first hydraulic electric cylinder, a control device, an inner mounting groove, a second hydraulic electric cylinder, a third hydraulic electric cylinder, a fixed connecting block, a hook, a mounting pin cylinder, a mounting pin column, a reinforcing column, a sawtooth block, a pull ring, a connecting plate, an LED spotlight, a through hole, a barb belt and an inner insertion block, wherein the expanding arm main body is of a two-part symmetrical clamp structure, each expanding arm main body is formed by two layers of symmetrical buckling structures, and the upper part and the lower part of the expanding arm main body are fixed through at least two bolts; second rotating pins are vertically inserted into two corners of the left end of the expansion arm main body, connecting plates are fixedly connected to the top surfaces and the bottom surfaces of the second rotating pins, and the other ends of the connecting plates are fixedly connected to the top surfaces and the bottom surfaces of the first rotating pins inserted into two corners of the right end of the hydraulic machine main body; the control panel is fixedly arranged at the left end of the top surface of the hydraulic machine main body, the control device is fixedly arranged at the top of the hydraulic machine main body at the right end of the control panel, and the control device is electrically connected with the control panel; the left ends of the side walls of the front end and the rear end of the control panel are fixedly connected with door-shaped auxiliary holding rods upwards through convex lugs; a handle is horizontally and fixedly arranged on the side wall of the left end of the hydraulic machine main body leftwards, and a connecting plug is fixedly arranged at the left end of the handle; a first hydraulic electric cylinder is fixedly arranged in the middle of the side wall of the right end of the hydraulic press main body, and the first hydraulic electric cylinder is electrically connected with the control device through a common circuit; the movable end of the outer end of the first hydraulic electric cylinder is fixedly connected to the left end side wall of the power block, and two corner angles of the right end side wall of the power block are respectively and rotatably connected to the left end of the inner end side wall main body of the expansion arm main body through power connecting pins; an inner mounting groove is formed in the side wall of the right end of the expansion arm main body, an inner insertion block is inserted into the expansion arm main body through the inner mounting groove, and the right end of the inner insertion block is fixedly connected with an expansion head; a second hydraulic pneumatic cylinder is fixedly arranged on the side wall of the left end of the inner mounting groove, and the movable end of the second hydraulic pneumatic cylinder is rotatably connected in the inner groove of the inner insert block through a rotating shaft; the bottom of the movable end of the second hydraulic pneumatic cylinder is fixedly connected with a fixed connecting block, and the length and the height of the fixed connecting block are just consistent with those of the inner mounting groove; a groove in the right side wall of the fixed connecting block is rotatably connected with a third hydraulic electric cylinder through a rotating shaft, and the movable end at the other end of the third hydraulic electric cylinder is rotatably connected in a groove of the inner inserting block through the rotating shaft; the middle part of the outer side wall of the expansion arm main body is provided with a hook bent leftwards, the middle part of an inner groove of the side wall of the left end of the hydraulic machine main body is symmetrically provided with pull rings, and through holes are formed in the expansion heads.
2. The anti-skid multipurpose hydraulic expander according to claim 1, wherein: reinforcing columns are respectively paved on the top and the bottom planes of the expansion arm main body from left to right, and the reinforcing columns are sequentially arranged in an externally tangent mode.
3. The anti-skid multipurpose hydraulic expander according to claim 1, wherein: the expansion arm comprises an expansion arm body and is characterized in that a plurality of mounting pins are uniformly arranged on the upper half part of the outer side wall of the expansion arm body, and mounting pin cylinders corresponding to the mounting pins are also arranged on the lower half part of the outer side wall of the expansion arm body.
4. The anti-skid multipurpose hydraulic expander according to claim 1, wherein: and an agnail belt inclined towards the left end is arranged on the outer side wall of the expansion head.
5. The anti-skid multipurpose hydraulic expander according to claim 1, wherein: sawtooth blocks are vertically arranged on the inner side wall of the expansion arm main body and the inner side wall of the expansion head.
6. The anti-skid multipurpose hydraulic expander according to claim 1, wherein: an LED spotlight is arranged in the middle of the side wall of the right end of the power block, and the diameter of the LED spotlight is just consistent with a channel formed when the expansion arm main body is in an expansion state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516571.9A CN108939331B (en) | 2018-05-25 | 2018-05-25 | Antiskid type multipurpose hydraulic expander |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516571.9A CN108939331B (en) | 2018-05-25 | 2018-05-25 | Antiskid type multipurpose hydraulic expander |
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| CN108939331A CN108939331A (en) | 2018-12-07 |
| CN108939331B true CN108939331B (en) | 2020-11-06 |
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2018
- 2018-05-25 CN CN201810516571.9A patent/CN108939331B/en active Active
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| US3878597A (en) * | 1973-11-06 | 1975-04-22 | Kenneth A Hoskins | Aligning tool for assembling steel girders |
| EP0409753A1 (en) * | 1989-07-21 | 1991-01-23 | Hydr'am | Hydraulically driven spreader |
| CN102275154A (en) * | 2010-06-11 | 2011-12-14 | 成都理工大学 | Novel hydraulic spreader-shearer |
| CN101927067A (en) * | 2010-08-28 | 2010-12-29 | 湖南科技大学 | Heavy-load large-distance coniform spiral-expanding rescuing equipment |
| CN203663279U (en) * | 2013-12-11 | 2014-06-25 | 宝鸡市众安消防器材有限公司 | Miniature expanding device |
| CN205667688U (en) * | 2016-06-05 | 2016-11-02 | 陈红 | A kind of anti-intelligent hydraulic of hurting sb.'s feelings is cut |
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| CN108939331A (en) | 2018-12-07 |
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