阅读说明：本技术 一种通用性高的锚具试验对中升降装置 (Experimental centering elevating gear of ground tackle that commonality is high ) 是由 翟海洋 于 2021-09-30 设计创作，主要内容包括：本发明提供了一种通用性高的锚具试验对中升降装置,涉及锚具试验装置技术领域,包括底座、升降机构和对中机构,所述支撑架设有两组,且对称设置在底座的左、右两侧,所述连接杆的一端固定连接在伺服电机的输出端,所述保护架的两侧设有滑轨,所述活动板靠近伺服电机的一侧设有滑槽,所述滑块滑动连接在滑槽内,且滑块与连接杆的另一端铰接,所述滑轨的中间位置设有通槽,所述升降台与支杆固接,本发明通过控制伺服电机的转动,使得滑块在活动板上的滑槽内移动,进而带动活动板在滑轨上移动,通过活动板带动升降台实现升降,不仅实现了电动升降,而且步进量通过伺服电机的转动来控制,更加精确,从而提高了锚具试验升降的效果。(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, the middle position of the slide rail is provided with a through groove, and a lifting platform is fixedly connected with a supporting rod. More accurate, thereby improving the effect of the experimental lifting of the anchorage device.)

1. The utility model provides an experimental centering elevating gear of ground tackle that commonality is high which characterized in that: the automatic centering device comprises a base (1), a lifting mechanism (2) and a centering mechanism (3), wherein the lifting mechanism (2) comprises a support frame (201), a servo motor (202), a connecting rod (203), a sliding block (204), a movable plate (205), a supporting rod (206) and a lifting platform (207), a protective frame (4) is arranged at the middle position of the top of the base (1), the support frame (201) is provided with two groups, the two groups are symmetrically arranged at the left side and the right side of the base (1), the servo motor (202) is arranged at the top of the support frame (201), one end of the connecting rod (203) is fixedly connected with the output end of the servo motor (202), slide rails (5) are arranged at the two sides of the protective frame (4), the movable plate (205) is provided with two groups and is respectively connected with the two sides in a sliding manner, a sliding groove (6) is arranged at one side, close to the servo motor (202), of the movable plate (205), slider (204) sliding connection is in spout (6), and slider (204) and the other end of connecting rod (203) are articulated, the intermediate position of slide rail (5) is equipped with logical groove (7), the one end rigid coupling of branch (206) is on fly leaf (205), and the other end passes logical groove (7) and extends to the inboard of fender bracket (4), elevating platform (207) and branch (206) rigid coupling, and lie in the inboard of fender bracket (4).

2. The high versatility experimental centering elevator system of anchors of claim 1, further comprising: the centering mechanism (3) comprises a second motor (301), a screw rod (302), a movable rod (303), a sleeve (304), a spring (305), a push plate (306) and a vacuum sucker (307), the second motor (301) is installed in an inner cavity of a lifting platform (207), the screw rod (302) is fixedly connected with an output end of the second motor (301), a limit groove (8) is arranged at the top of the lifting platform (207), the movable rod (303) is in threaded connection with the screw rod (302), the upper end of the movable rod (303) penetrates through the limit groove (8) and extends to the upper part of the lifting platform (207), the sleeve (304) is horizontally and fixedly connected with the movable rod (303), the spring (305) is installed in the inner cavity of the sleeve (304), the push plate (306) is fixedly connected with the tail end of the spring (305), the vacuum sucker (307) is provided with two groups, and the two groups of vacuum suckers (307) are installed on the movable rod (303), and are located on either side of the sleeve (304).

3. 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).

4. 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.

5. The high versatility experimental centering elevator system for anchorage of claim 2, further comprising: 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).

6. 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.

7. 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).

8. 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).

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: a centering lifting device for anchorage test with high universality comprises a base, a lifting mechanism and a centering mechanism, wherein the lifting mechanism comprises a support frame, a servo motor, a connecting rod, a sliding block, two movable plates, a support rod and a lifting platform, a protective frame is arranged at the middle position of the top of the base, the support frame is provided with two groups, the two groups of support frames are symmetrically arranged at the left side and the right side of the base, the servo motor is arranged at the top of the support frame, one end of the connecting rod is fixedly connected with the output end of the servo motor, sliding rails are arranged at the two sides of the protective frame, the two groups of movable plates are respectively and slidably connected at the inner sides of the sliding rails at the two sides, one side of the movable plate close to the servo motor is provided with a sliding groove, the sliding block is slidably connected in the sliding groove, the sliding block is hinged with the other end of the connecting rod, a through groove is arranged at the middle position of the sliding rail, one end of the support rod is fixedly connected on the movable plate, the other end of the lifting platform penetrates through the through groove and extends to the inner side of the protection frame, and the lifting platform is fixedly connected with the supporting rod and is positioned on the inner side of the protection frame.

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 to lift through the movable plate, so that not only is electric lifting realized, but also the stepping amount is controlled through the rotation of the servo motor, so that the lifting effect of the anchorage device test is more accurate, and the effect of the 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 centered gradually, 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: a high-universality centering lifting device for anchorage test comprises a base 1, a lifting mechanism 2 and a centering mechanism 3, wherein the lifting mechanism 2 comprises a support frame 201, a servo motor 202, a connecting rod 203, a sliding block 204, a movable plate 205, a support rod 206 and a lifting platform 207, a protective frame 4 is arranged at the middle position of the top of the base 1, the support frame 201 is provided with two groups which are symmetrically arranged at the left side and the right side of the base 1, the servo motor 202 is arranged at the top of the support frame 201, one end of the connecting rod 203 is fixedly connected with the output end of the servo motor 202, two sides of the protective frame 4 are provided with sliding rails 5, the movable plate 205 is provided with two groups which are respectively and slidably connected with the inner sides of the sliding rails 5 at two sides, one side of the movable plate 205, which is close to the servo motor 202, is provided with a sliding groove 6, the sliding block 204 is slidably connected in the sliding groove 6, the sliding block 204 is hinged with the other end of the connecting rod 203, a through groove 7 is arranged at the middle position of the sliding rail 5, one end of the supporting rod 206 is fixedly connected to the movable plate 205, the other end of the supporting rod passes through the through slot 7 and extends to the inner side of the protection frame 4, and the lifting platform 207 is fixedly connected to the supporting rod 206 and is located at the inner side of the protection frame 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 push 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;

when the device is used, firstly, the anchorage device is placed on the lifting platform 207 according to the intersection point position of the scale mark 10 and the limiting groove 8, the difficulty of subsequent centering can be reduced, then, the second motor 301 is opened, the screw rod 302 is driven to rotate through the second motor 301, the movable rods 303 at two sides are close to the middle, in the approaching process, the push plate 306 is firstly contacted with the anchorage device, the spring 305 is contracted to provide certain buffering, then the vacuum suction cup 307 is contacted with the anchorage device, the vacuum suction cup 307 is opened to absorb the anchorage device, when the movable rods 303 move again, the anchorage device can be driven to move, the final position of the anchorage device is clamped at the central position of the lifting platform 207, then the servo motor 202 is opened, the servo motor 202 drives the connecting rod 203 to rotate, when the connecting rod 203 drives the sliding block 204 to slide in the sliding groove 6, when the sliding block 204 slides, the movable plate 205 can move along the sliding rail 5 and gradually rise, can make elevating platform 207 rise through branch 206 when rising, like the same, only need adjust servo motor 202 when descending turn to can to satisfy the experimental demand of ground tackle performance.

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.