CN113880003B

CN113880003B - Experimental centering elevating gear of ground tackle that commonality is high

Info

Publication number: CN113880003B
Application number: CN202111162638.1A
Authority: CN
Inventors: 翟海洋
Original assignee: Anhui Hengju Precision Machinery Co ltd
Current assignee: Anhui Hengju Precision Machinery Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-03-24
Anticipated expiration: 2041-09-30
Also published as: CN113880003A

Abstract

The invention provides an anchorage test centering lifting device with high universality, which relates to the technical field of anchorage test devices and comprises a base, a lifting mechanism and a centering mechanism, wherein two groups of supporting frames are arranged on the left side and the right side of the base symmetrically, one end of a connecting rod is fixedly connected with the output end of a servo motor, slide rails are arranged on two sides of a protective frame, one side of a movable plate close to the servo motor is provided with a slide groove, a slide block is connected in the slide groove in a sliding manner, the slide block is hinged with the other end of the connecting rod, a through groove is arranged in the middle of the slide rail, and a lifting platform is fixedly connected with a supporting rod.

Description

Experimental centering elevating gear of ground tackle that commonality is high

Technical Field

The invention relates to the technical field of anchor test devices, in particular to a centering lifting device with high universality for an anchor test.

Background

The anchorage device is a permanent anchorage device used in prestressed concrete, and is an anchorage tool which is used in a post-tensioning structure or a member and is also called as a prestressed anchorage device for keeping the tension of a prestressed tendon and transmitting the tension to the interior of the concrete; in the mechanical property test process of the anchorage device, test accessories including the anchorage device need to be leveled, fixed and installed, and meanwhile, the anchorage device and the steel strand have large loading force in the test and the mass of the related test accessories is large.

The centering and lifting of the anchorage device are needed in the installation process, but the existing lifting device is operated in a manual mode, so that the working strength is certain, the manual control stepping amount is not accurate enough, and the centering efficiency is low.

Disclosure of Invention

The invention aims to provide a centering lifting device for an anchorage test with high universality so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an experimental centering elevating gear of ground tackle that commonality is high, includes base, elevating system and centering mechanism, elevating system includes support frame, servo motor, connecting rod, slider, fly leaf, branch and elevating platform, the intermediate position at base top is equipped with the fender bracket, the support frame is equipped with two sets ofly, and the symmetry sets up the left and right both sides at the base, servo motor installs the top at the support frame, the one end fixed connection of connecting rod is at servo motor's output, the both sides of fender bracket are equipped with the slide rail, the fly leaf is equipped with two sets ofly, and respectively sliding connection in both sides the inboard of slide rail, one side that the fly leaf is close to servo motor is equipped with the spout, slider sliding connection is in the spout, and the slider is articulated with the other end of connecting rod, the intermediate position of slide rail is equipped with logical groove, the one end rigid coupling of branch is on the fly leaf, and the other end passes logical groove and extends to the inboard of fender bracket, elevating platform and branch rigid coupling, and be located the inboard of fender bracket.

Preferably, centering mechanism includes second motor, lead screw, movable rod, sleeve, spring, push pedal and vacuum chuck, the inner chamber at the elevating platform is installed to the second motor, the lead screw rigid coupling is at the output of second motor, the top of elevating platform is equipped with the spacing groove, movable rod threaded connection is on the lead screw, and the upper end of movable rod passes the spacing groove, extends to the top of elevating platform, the horizontal rigid coupling of sleeve is on the movable rod, spring mounting is at telescopic inner chamber, the push pedal rigid coupling is at the end of spring, vacuum chuck is equipped with two sets ofly, and two sets of vacuum chuck all install on the movable rod, and are located telescopic both sides.

Preferably, the protection frame is U-shaped, and the top of protection frame is equipped with the through-hole.

Preferably, the screw thread direction at the two ends of the screw rod is opposite, the two ends of the screw rod are in threaded connection with movable rods, and the structures on the two groups of movable rods are kept symmetrical.

Preferably, the distance between the vacuum chuck and the neutral line of the lifting platform is smaller than the distance between the push plate and the neutral line of the lifting platform.

Preferably, the middle position of the top surface of the lifting platform is provided with a scale mark which is vertical to the limit groove,

preferably, the fan subassembly is equipped with the multiunit in the inboard of fender bracket, and the fan subassembly is equipped with the symmetry and distributes in the both sides that lead to the groove.

Preferably, the bottom of base is equipped with the support column, and the support column is equipped with four, the position that the base is close to the support column is equipped with the telescopic link, the removal wheel is installed to the output of telescopic link.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the invention, through the designed lifting mechanism, the sliding block moves in the sliding groove on the movable plate by controlling the rotation of the servo motor, so that the movable plate is driven to move on the sliding rail, and the lifting platform is driven by the movable plate to realize lifting, so that not only is electric lifting realized, but also the stepping amount is controlled by the rotation of the servo motor, so that the lifting effect of the anchorage device test is more accurate, and the effect of the anchorage device test lifting is improved;

(2) According to the invention, through the designed centering mechanism, the screw rod is rotated through the rotation of the motor, the movable rod screwed on the screw rod is drawn back along the direction of the screw rod under the action of the limiting groove, the arranged push plate and the spring play a role in buffering to prevent the anchor from being damaged, and then the vacuum chuck is used for adsorption and fixation to drive the anchor to be gradually centered, so that the accuracy of a subsequent test is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic view of the structure of the fender bracket of the present invention;

FIG. 3 is a schematic view of the centering mechanism of the present invention;

FIG. 4 is a schematic view of the movable plate and the sliding block of the present invention;

FIG. 5 is a top view of the lift table of the present invention;

FIG. 6 is a schematic structural view of example 2 of the present invention;

FIG. 7 is a schematic structural view of example 3 of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-lifting mechanism, 201-support frame, 202-servo motor, 203-connecting rod, 204-sliding block, 205-movable plate, 206-supporting rod, 207-lifting platform, 3-centering mechanism, 301-second motor, 302-screw rod, 303-movable rod, 304-sleeve, 305-spring, 306-push plate, 307-vacuum chuck, 4-protection frame, 5-sliding rail, 6-sliding groove, 7-through groove, 8-limiting groove, 9-through hole, 10-scale line, 11-fan component, 12-support column, 13-telescopic rod and 14-moving wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a high experimental centering elevating gear of ground tackle of commonality, including base 1, elevating system 2 and centering mechanism 3, elevating system 2 includes support frame 201, servo motor 202, connecting rod 203, slider 204, fly leaf 205, branch 206 and elevating platform 207, the intermediate position at base 1 top is equipped with fender bracket 4, support frame 201 is equipped with two sets ofly, and the symmetry sets up in the left and right both sides of base 1, servo motor 202 installs the top at support frame 201, the one end fixed connection of connecting rod 203 is at the output of servo motor 202, the both sides of fender bracket 4 are equipped with slide rail 5, fly leaf 205 is equipped with two sets ofly, and respectively sliding connection is in the inboard of both sides slide rail 5, one side that fly leaf 205 is close to servo motor 202 is equipped with spout 6, slider 204 sliding connection is in spout 6, and slider 204 is articulated with the other end of connecting rod 203, the intermediate position of slide rail 5 is equipped with logical groove 7, the one end of branch 206 is on fly leaf 205, the other end passes logical groove 7 and extends to the inboard of fender bracket 4, elevating platform 207 and branch 206, and be located the inboard of fender bracket 4.

Wherein, centering mechanism 3 includes second motor 301, lead screw 302, movable rod 303, sleeve 304, spring 305, push plate 306 and vacuum chuck 307, second motor 301 installs the inner chamber at elevating platform 207, lead screw 302 rigid coupling is at the output of second motor 301, the top of elevating platform 207 is equipped with spacing groove 8, movable rod 303 threaded connection is on lead screw 302, and spacing groove 8 is passed to the upper end of movable rod 303, extend to the top of elevating platform 207, the horizontal rigid coupling of sleeve 304 is on movable rod 303, spring 305 installs the inner chamber at sleeve 304, push plate 306 rigid coupling is at the end of spring 305, vacuum chuck 307 is equipped with two sets ofly, two sets of vacuum chuck 307 are all installed on movable rod 303, and be located the both sides of sleeve 304.

Wherein, the fender bracket 4 is U-shaped, and the top of fender bracket 4 is equipped with through-hole 9.

The thread directions of the two ends of the screw rod 302 are opposite, the two ends of the screw rod 302 are in threaded connection with the movable rods 303, and the structures on the two groups of movable rods 303 are kept symmetrical.

Wherein, the distance between the vacuum chuck 307 and the centerline of the lifting platform 207 is smaller than the distance between the pushing plate 306 and the centerline of the lifting platform 207.

Wherein, the middle position of the top surface of the lifting platform 207 is provided with a scale mark 10, and the scale mark 10 is vertical to the limit 8 groove.

Example 2

Compared with example 1, the difference is that:

wherein, the inboard of fender bracket 4 is equipped with fan subassembly 11, and fan subassembly 11 is equipped with the multiunit, and the symmetric distribution is in the both sides that lead to groove 7, and the fan subassembly 11 of setting can clear up the ground tackle in the adjustment process that the centering goes up and down, discharges its interference to the performance test of ground tackle for experimental result is more accurate.

Example 3

Compared with example 1, the difference is that:

wherein, base 1's bottom is equipped with support column 12, and support column 12 is equipped with four, and base 1 is close to the position of support column 12 and is equipped with telescopic link 13, and the output of telescopic link 13 is installed and is removed wheel 14, and the removal wheel of setting chooses for use commercially common universal wheel, can control its lift through telescopic link 13 to make whole device can remove, satisfy the demand of using in a flexible way.

One specific application of this embodiment is: the device supplies electric energy to electrical elements in the device through an external power supply and controls the on-off of the electrical elements through a control switch;

during the use, at first according to the crossing point position of scale mark 10 and spacing groove 8, place the ground tackle on elevating platform 207, can reduce the degree of difficulty of follow-up centering, then, open second motor 301, drive lead screw 302 through second motor 301 and rotate, make the movable rod 303 of both sides draw close to the centre, the in-process that approaches, push pedal 306 at first contacts with the ground tackle, and make spring 305 shrink, provide certain buffering, then vacuum chuck 307 contacts with the ground tackle, open vacuum chuck 307 and adsorb the ground tackle, when making movable rod 303 remove again, can drive the ground tackle and remove, make its final position press from both sides the central point at elevating platform 207, open servo motor 202 again, servo motor 202 drives connecting rod 203 and rotates, during the rotation, connecting rod 203 drives slider 204 and slides in spout 6, slider 204 can make movable plate 205 move along slide rail 5 when sliding, and rise gradually, can make elevating platform 207 through branch pole 206 during the rising, and so on the same principle, only need to adjust the steering of servo motor 202 during the decline, thereby satisfy the demand of ground tackle performance test.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an experimental centering elevating gear of ground tackle that commonality is high which characterized in that: including base (1), elevating system (2) and centering mechanism (3), elevating system (2) includes support frame (201), servo motor (202), connecting rod (203), slider (204), fly leaf (205), branch (206) and elevating platform (207), the intermediate position at base (1) top is equipped with fender bracket (4), support frame (201) is equipped with two sets, and the symmetry sets up in the left and right both sides of base (1), servo motor (202) is installed at the top of support frame (201), the one end fixed connection of connecting rod (203) is at the output of servo motor (202), the both sides of fender bracket (4) are equipped with slide rail (5), fly leaf (205) are equipped with two sets, and sliding connection is in both sides respectively the inboard of slide rail (5), one side that fly leaf (205) is close to servo motor (202) is equipped with spout (6), slider (204) sliding connection is in spout (6), and slider (204) are articulated with the other end of connecting rod (203), the intermediate position of slide rail (5) is equipped with logical groove (7), the one end of branch (206) passes through the inboard rigid coupling of fly leaf (4), the lifting platform (207) is fixedly connected with the support rod (206) and is positioned on the inner side of the protection frame (4);

centering mechanism (3) include second motor (301), lead screw (302), movable rod (303), sleeve (304), spring (305), push pedal (306) and vacuum chuck (307), the inner chamber in elevating platform (207) is installed in second motor (301), lead screw (302) rigid coupling is at the output of second motor (301), the top of elevating platform (207) is equipped with spacing groove (8), movable rod (303) threaded connection is on lead screw (302), and spacing groove (8) are passed to the upper end of movable rod (303), extends to the top of elevating platform (207), sleeve (304) horizontal rigid coupling is on movable rod (303), the inner chamber at sleeve (304) is installed in spring (305), push pedal (306) rigid coupling is at the end of spring (305), vacuum chuck (307) are equipped with two sets ofly, and two sets of vacuum chuck (307) are all installed on movable rod (303), and are located the both sides of sleeve (304).

2. The high versatility experimental centering elevator system of anchors of claim 1, further comprising: the protective frame (4) is U-shaped, and a through hole (9) is formed in the top of the protective frame (4).

3. The high versatility experimental centering elevator system for anchorage of claim 2, further comprising: the screw thread opposite direction at lead screw (302) both ends, and the equal threaded connection in both ends of lead screw (302) has movable rod (303), and is two sets of structure on the movable rod (303) keeps the symmetry.

4. The high-universality centering lifting device for anchorage test as claimed in claim 2, characterized in that: the distance between the vacuum chuck (307) and the neutral line of the lifting platform (207) is smaller than the distance between the push plate (306) and the neutral line of the lifting platform (207).

5. The high versatility experimental centering elevator system for anchorage of claim 2, further comprising: and the middle position of the top surface of the lifting platform (207) is provided with scale marks (10), and the scale marks (10) are vertical to the limiting (8) groove.

6. The high versatility experimental centering elevator system of anchors of claim 1, further comprising: the inboard of fender bracket (4) is equipped with fan subassembly (11), and fan subassembly (11) are equipped with the multiunit, and the symmetric distribution is in the both sides that lead to groove (7).

7. The high versatility experimental centering elevator system of anchors of claim 1, further comprising: the bottom of base (1) is equipped with support column (12), and support column (12) are equipped with four, the position that base (1) is close to support column (12) is equipped with telescopic link (13), removal wheel (14) are installed to the output of telescopic link (13).