CN210260264U - Mechanical clamping device of expansion joint - Google Patents
Mechanical clamping device of expansion joint Download PDFInfo
- Publication number
- CN210260264U CN210260264U CN201920926909.8U CN201920926909U CN210260264U CN 210260264 U CN210260264 U CN 210260264U CN 201920926909 U CN201920926909 U CN 201920926909U CN 210260264 U CN210260264 U CN 210260264U
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- expansion joint
- groove
- lead screw
- connecting plate
- clamping device
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Abstract
The utility model discloses a mechanical clamping device of expansion joint, including hollow stand, ejector pin and connecting plate, the inside of hollow stand is rotated through the bearing and is installed the lead screw, the top of lead screw is connected with the motor output end of installing on hollow stand top, the ejector pin passes first logical groove, the top of ejector pin is passed through the connecting pin and is rotated with the first lead screw slider side on the lead screw and be connected, the bottom of ejector pin is passed through the connecting pin and is articulated with the top of jack catch, the logical inslot of second is fixed with the round pin axle, the connecting plate passes the logical groove of second, the bottom of connecting plate is articulated with the push pedal, the upper end of connecting plate is rotated with the second lead screw slider side on the lead screw and is connected. This practicality rotates through starter motor drive lead screw for jack catch and push pedal expand and draw in, thereby carry out the jack catch to the expansion joint and fix, avoid the expansion joint to take place to rock, it is fixed more firm.
Description
Technical Field
The utility model belongs to the technical field of fixture device, concretely relates to mechanical clamping device of expansion joint.
Background
The expansion joint is a flexible structure provided on the vessel shell or pipe to compensate for additional stresses due to temperature differences and mechanical vibrations. The expansion joint is made of metal corrugated pipe and consists of corrugated pipe, end pipe, support, flange, guide pipe and other fittings. In the expansion joint production process, need press from both sides the dress to shift the expansion joint, when shifting the expansion joint, adopt manual snatching usually, working strength is big, and takes place to fall easily, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanical clamping device of expansion joint 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: the utility model provides a mechanical clamping device of expansion joint, includes hollow stand, ejector pin and connecting plate, the lead screw is installed through bearing rotation to hollow stand's inside, the top and the motor output end of installing on hollow stand top of lead screw are connected, the upper portion side and the lower part side of hollow stand symmetry respectively are provided with first logical groove and second logical groove, the ejector pin passes first logical groove, the top of ejector pin is passed through the connecting pin and is connected with the rotation of the first lead screw slider side on the lead screw, the bottom of ejector pin is articulated through the top of connecting pin and jack catch, the second leads to the inslot and is fixed with the round pin axle, the connecting plate passes the second and leads to the groove, and the round pin axle activity sets up the kidney-shaped inslot on the connecting plate, the bottom and the push pedal of connecting plate are articulated, the upper end of connecting plate is connected.
Preferably, the inner side of the upper part of the jaw is hinged with the top of one end of the supporting rod, and the other end of the supporting rod is fixed on the side surface of the hollow upright post.
Preferably, the second through grooves on each side of the hollow upright are arranged up and down, and the connecting plates are respectively hinged with the upper end and the lower end of the push plate.
Preferably, a central angle formed between the first through groove and the second through groove is 90 °.
Preferably, rubber pads are fixed on the inner surfaces of the jaws and the outer surface of the push plate.
Preferably, the hollow upright post is further connected with a threaded sleeve through threads, and a limiting rod is fixed on the periphery of the threaded sleeve.
The utility model discloses a technological effect and advantage:
the starter motor drives the lead screw to rotate, make first lead screw slider descend, promote the jack catch to open, make second lead screw slider rise simultaneously, make the push pedal draw close to hollow stand, stretch into the expansion joint with hollow stand and push pedal from the tip of expansion joint in, restart and reverse control motor rotate once more, make first lead screw slider rise, the pulling jack catch draws in, outside chucking to the expansion joint, make second lead screw slider descend simultaneously, it opens to promote the push pedal, support tight fixedly from the inside of expansion joint to the expansion joint, avoid the expansion joint to take place to rock, it is fixed more firm.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a first screw rod slider of the present invention;
fig. 3 is a schematic structural view of a second screw rod slider of the present invention;
fig. 4 is a schematic view showing the use of the present invention in clamping an expansion joint.
In the figure: the device comprises a motor 1, a hollow upright post 2, a first through groove 201, a second through groove 202, a pin shaft 203, a top rod 3, a jaw 4, a push plate 5, a thread sleeve 6, a limiting rod 7, a support rod 8, a first screw rod slide block 9, a screw rod 10, a second screw rod slide block 11, a connecting plate 12 and a waist-shaped groove 1201.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.
As shown in fig. 1-4, a mechanical clamping device for an expansion joint comprises a hollow upright 2, a mandrel 3 and a connecting plate 12, wherein a lead screw 10 is rotatably mounted inside the hollow upright 2 through a bearing, the top end of the lead screw 10 is connected with the output end of a motor 1 mounted at the top end of the hollow upright 2, a first through groove 201 and a second through groove 202 are symmetrically arranged on the upper side surface and the lower side surface of the hollow upright 2 respectively, the mandrel 3 passes through the first through groove 201, the top end of the mandrel 3 is rotatably connected with the side edge of a first lead screw slider 9 on the lead screw 10 through a connecting pin, the bottom end of the mandrel 3 is hinged with the top end of a clamping jaw 4 through a connecting pin, a pin shaft 203 is fixed in the second through groove 202, the connecting plate 12 passes through the second through groove 202, the pin shaft 203 is movably arranged in a waist-shaped groove 1201 on the connecting plate 12, and, the upper end of the connecting plate 12 is rotatably connected with the side edge of a second screw rod slide block 11 on the screw rod 10.
The screw rod 10 is provided with threads with opposite rotation directions, and the first screw rod slide block 9 and the second screw rod slide block 11 are respectively positioned on thread sections with different rotation directions.
The inside of the upper portion of the clamping jaw 4 is hinged to the top of one end of the supporting rod 8, and the other end of the supporting rod 8 is fixed to the side face of the hollow upright post 2. Utilize bracing piece 8 to support jack catch 4 for when ejector pin 3 promoted jack catch 4, jack catch 4 can rotate with 8 tops of bracing piece, thereby utilizes jack catch 4 to carry out the card to the tip of expansion joint and grabs.
Two second through grooves 202 are formed in each side of the hollow upright post 2 from top to bottom, and the connecting plates 12 are hinged to the upper end and the lower end of the push plate 5 respectively. Utilize two connecting plates 12 to support push pedal 5, can make push pedal 5 keep vertical state when stretching out, can be better hug closely with the inner wall of expansion joint, support the inside of expansion joint.
The central angle formed between the first through groove 201 and the second through groove 202 is 90 °. The clamping jaw 4 and the push plate 5 can be perpendicular to each other in acting force, shaking during fixing expansion is avoided, and fixing is more firm.
Rubber pads are fixed on the inner surface of the clamping jaw 4 and the outer surface of the push plate 5. The expansion joint can be protected while being antiskid, and the scraping of the expansion joint is avoided.
The hollow upright post 2 is further connected with a threaded sleeve 6 through threads, and a limiting rod 7 is fixed on the periphery of the threaded sleeve 6. The height of the limiting rod 7 can be adjusted by rotating the threaded sleeve 6, so that the depth of the limiting rod extending into the expansion joint is adjusted.
Specifically, during the use, can install this device on the guide rail, snatch the transfer to the expansion joint, 1 drive lead screw 10 of starter motor rotates, make first lead screw slider 9 descend, promote jack catch 4 and open, make second lead screw slider 11 rise simultaneously, make push pedal 5 draw close to hollow stand 2, stretch into the expansion joint with hollow stand 2 and push pedal 5 from the tip of expansion joint, restart and reverse control motor 1 rotates once more, make first lead screw slider 9 rise, pulling jack catch 4 draws in, outside chucking to the expansion joint, make second lead screw slider 11 descend simultaneously, promote 5 opens of push pedal, support tight fixedly from the inside of expansion joint to the expansion joint, avoid the expansion joint to take place to rock, it is more firm to fix.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an expansion joint's mechanical clamping device, includes hollow column (2), ejector pin (3) and connecting plate (12), its characterized in that: the screw rod (10) is rotatably installed inside the hollow upright (2) through a bearing, the top end of the screw rod (10) is connected with the output end of a motor (1) installed at the top end of the hollow upright (2), the upper side face and the lower side face of the hollow upright (2) are respectively and symmetrically provided with a first through groove (201) and a second through groove (202), the ejector rod (3) penetrates through the first through groove (201), the top end of the ejector rod (3) is rotatably connected with the side edge of a first screw rod sliding block (9) on the screw rod (10) through a connecting pin, the bottom end of the ejector rod (3) is hinged with the top end of a clamping jaw (4) through the connecting pin, a pin shaft (203) is fixed in the second through groove (202), the connecting plate (12) penetrates through the second through groove (202), the pin shaft (203) is movably arranged in a kidney-shaped groove (1201) on the connecting plate (12), and the bottom end of the connecting, the upper end of the connecting plate (12) is rotatably connected with the side edge of a second screw rod sliding block (11) on the screw rod (10).
2. The mechanical clamping device for the expansion joint as claimed in claim 1, wherein: the inner side of the upper part of the clamping jaw (4) is hinged with the top of one end of the supporting rod (8), and the other end of the supporting rod (8) is fixed on the side surface of the hollow upright post (2).
3. The mechanical clamping device for the expansion joint as claimed in claim 1, wherein: two second through grooves (202) on each side of the hollow upright post (2) are arranged up and down, and the connecting plate (12) is hinged with the upper end and the lower end of the push plate (5) respectively.
4. The mechanical clamping device for the expansion joint as claimed in claim 1, wherein: the central angle formed between the first through groove (201) and the second through groove (202) is 90 degrees.
5. The mechanical clamping device for the expansion joint as claimed in claim 1, wherein: rubber pads are fixed on the inner surface of the clamping jaw (4) and the outer surface of the push plate (5).
6. The mechanical clamping device for the expansion joint as claimed in claim 1, wherein: the hollow upright post (2) is further connected with a threaded sleeve (6) through threads, and a limiting rod (7) is fixed on the periphery of the threaded sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920926909.8U CN210260264U (en) | 2019-06-19 | 2019-06-19 | Mechanical clamping device of expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920926909.8U CN210260264U (en) | 2019-06-19 | 2019-06-19 | Mechanical clamping device of expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210260264U true CN210260264U (en) | 2020-04-07 |
Family
ID=70043643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920926909.8U Active CN210260264U (en) | 2019-06-19 | 2019-06-19 | Mechanical clamping device of expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210260264U (en) |
-
2019
- 2019-06-19 CN CN201920926909.8U patent/CN210260264U/en active Active
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