CN220847155U - Tensioning trolley convenient to adjust - Google Patents
Tensioning trolley convenient to adjust Download PDFInfo
- Publication number
- CN220847155U CN220847155U CN202322719079.0U CN202322719079U CN220847155U CN 220847155 U CN220847155 U CN 220847155U CN 202322719079 U CN202322719079 U CN 202322719079U CN 220847155 U CN220847155 U CN 220847155U
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- sliding
- face
- trolley
- movable box
- rod
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- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of tensioning trolleys, and discloses a tensioning trolley convenient to adjust, which comprises a trolley, wherein a moving mechanism and an adjusting mechanism are arranged below the trolley, and the adjusting mechanism is positioned above the moving mechanism; the moving mechanism comprises a moving part and a power part; the moving part is positioned at the rear side of the power part; the movable part comprises a movable box, a supporting plate and two threaded rods are arranged inside the movable box, the threaded rods are symmetrically arranged, worm wheels are fixedly sleeved on the surfaces of the threaded rods, the worm wheels are located above the supporting plate, and four universal wheels are arranged below the supporting plate. Through moving mechanism, power portion provides power for the rotation of threaded rod, and the removal portion is convenient for slide out the universal wheel from the universal wheel export, and the dolly of being convenient for removes, and the removal portion can be with the universal wheel income removal case simultaneously, can prevent the slip of dolly when the work, improves the firm degree and the security of this stretch-draw platform truck.
Description
Technical Field
The utility model relates to the technical field of tensioning trolleys, in particular to a tensioning trolley convenient to adjust.
Background
The manufacturing and the use of the prestressed girder are common in general bridge construction, and the tensioning procedure is very important in the manufacturing process of the prestressed girder. The high-speed railway box girder prestress Shi Gongfen is in three stages of pre-tensioning, initial tensioning and final tensioning, the tensioning trolley needs to be moved frequently, and the position of the tensioning jack is also moved frequently in the tensioning process.
In order to solve the problem of adjustment of the tensioning trolley, the Chinese patent discloses a prestress tensioning high and narrow area auxiliary construction tensioning trolley, the publication number of which is CN206015533U, and the tensioning trolley comprises an upper steel plate, a lower steel plate, a screw, a steel sleeve and universal wheels. Screw rods are screwed with screw rod fixing nuts, and four screw rods are welded on the lower steel plate according to set positions. The upper steel plate is welded with a crescent steel plate, and a steel sleeve is welded at the corresponding position of the screw rod of the upper steel plate and the screw rod of the lower steel plate. The steel sleeve of the upper steel plate is sleeved on the screw rod of the lower steel plate, and the universal wheel is fixed below the lower steel plate according to a set position to form a tensioning trolley. According to the utility model, large-scale prestress tensioning equipment is installed in a high and narrow construction area, and integral tensioning operation is carried out, so that the whole steel strand is synchronously tensioned, the consistency of the elongation values of the same steel strand is ensured, and the prestress tensioning construction quality is ensured;
However, the existing devices have the following problems: in the device, sliding easily occurs when the tensioning trolley works, so that the stability of the tensioning trolley in work is reduced. Therefore, a tensioning trolley is proposed which is easy to adjust.
Disclosure of utility model
The utility model aims to provide a tensioning trolley convenient to adjust so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the tensioning trolley convenient to adjust comprises a trolley, wherein a moving mechanism and an adjusting mechanism are arranged below the trolley, and the adjusting mechanism is positioned above the moving mechanism;
The moving mechanism comprises a moving part and a power part;
The moving part is positioned at the rear side of the power part;
The movable part comprises a movable box, a supporting plate and two threaded rods are arranged in the movable box, the two threaded rods are symmetrically arranged, worm gears are fixedly sleeved on the surfaces of the threaded rods, the worm gears are positioned above the supporting plate, four universal wheels are arranged below the supporting plate, and a universal wheel outlet is formed in the bottom surface of the movable box in a penetrating manner;
The power portion includes first motor, first motor right flank and removal case left surface fixed connection, first motor output pole right-hand member face runs through and removes the case left surface and extends to the removal incasement portion, first motor output pole right-hand member face fixedly connected with worm.
Preferably, the surface of the worm is meshed with the side surface of the worm wheel, the right end surface of the worm is rotationally connected with the side surface inside the movable box through a first bearing seat, and the worm is used for driving the worm wheel to rotate, so that the threaded rod is rotated.
Preferably, the bottom end surface threads of the threaded rod penetrate through the top surface of the supporting plate and extend to the lower side of the supporting plate, and the end surface of the threaded rod is rotationally connected with the inner wall of the movable box through the second bearing seat.
Preferably, the side of the supporting plate is in sliding connection with the side of the inner part of the movable box, the top surfaces of the four universal wheels are fixedly connected with the bottom surface of the supporting plate, and the connection stability of the universal wheels and the supporting plate is improved.
Preferably, the adjusting mechanism comprises an adjusting part and a supporting part;
The adjusting part is positioned below the supporting part;
the adjusting part comprises a second motor, the left side surface of the second motor is fixedly connected with the right side surface of the movable box, a sliding groove is formed in the top surface of the movable box in a penetrating manner, a double-head threaded rod and two sliding blocks are arranged in the sliding groove, the two sliding blocks are symmetrically arranged, and an adjusting rod is arranged above the sliding blocks;
The supporting part comprises a sliding cylinder, the bottom surface of the trolley is fixedly connected with sliding rods, and the sliding rods and the sliding cylinder are respectively provided with four sliding rods.
Preferably, the left end face of the second motor output rod penetrates through the right side face of the movable box and extends to the inside of the sliding groove, the left end face of the second motor output rod is fixedly connected with the right end face of the double-head threaded rod, and the second motor provides power for the double-head threaded rod.
Preferably, the threads on the left end face of the double-head threaded rod penetrate through the right side faces of the two sliding blocks and extend to the left sides of the two sliding blocks, the bottom face of the sliding block is in sliding connection with the bottom face inside the sliding groove, the left end face of the double-head threaded rod is rotationally connected with the inner wall of the sliding groove through a third bearing seat, the bottom end face of the adjusting rod is hinged with the top face of the sliding block, the top end face of the adjusting rod is hinged with the bottom face of the trolley, and the adjusting rod is convenient to adjust the height of the trolley.
Preferably, the bottom surface of the sliding cylinder is fixedly connected with the top surface of the moving box, the bottom end surface of the sliding rod penetrates through the top surface of the sliding cylinder in a sliding way and extends to the inside of the sliding cylinder, and the sliding rod and the sliding cylinder improve the stability of the trolley during lifting.
Compared with the prior art, the utility model has the beneficial effects that: according to the tensioning trolley convenient to adjust, the power part provides power for rotation of the threaded rod through the moving mechanism, the moving part is convenient for sliding the universal wheels out of the universal wheel outlets, the trolley is convenient to move, meanwhile, the moving part can collect the universal wheels into the moving box, sliding of the trolley can be prevented during working, and the stability and safety of the tensioning trolley are improved; through adjustment mechanism, the adjustment part is convenient for with the dolly with the cable wire entangle behind the suitable height, and then can carry out tensioning work, and the stability when supporting part improves the dolly lift adjustment is convenient for this tensioning trolley adjusts.
Drawings
FIG. 1 is a front cross-sectional perspective view of the present utility model;
FIG. 2 is a front perspective view of the present utility model;
FIG. 3 is a rear perspective view of the present utility model;
FIG. 4 is a rear cross-sectional perspective view of the present utility model;
FIG. 5 is a front cross-sectional perspective view of the slide bar of the present utility model;
fig. 6 is a partial front cutaway perspective view of the present utility model.
In the figure: the device comprises a trolley 1, a moving mechanism 2, a moving box 201, a first motor 202, a worm 203, a threaded rod 204, a worm wheel 205, a supporting plate 206, a universal wheel 207, an adjusting mechanism 3, a second motor 301, a double-head threaded rod 302, a sliding block 303, an adjusting rod 304, a sliding cylinder 305 and a sliding rod 306.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-6, the present utility model provides a technical solution: the tensioning trolley convenient to adjust comprises a trolley 1, wherein a moving mechanism 2 and an adjusting mechanism 3 are arranged below the trolley 1, and the adjusting mechanism 3 is positioned above the moving mechanism 2;
the moving mechanism 2 includes a moving portion and a power portion;
The moving part is positioned at the rear side of the power part;
The movable part comprises a movable box 201, a supporting plate 206 and two threaded rods 204 are arranged in the movable box 201, the two threaded rods 204 are symmetrically arranged, worm gears 205 are fixedly sleeved on the surfaces of the threaded rods 204, the worm gears 205 are positioned above the supporting plate 206, four universal wheels 207 are arranged below the supporting plate 206, and a universal wheel outlet is formed in the bottom surface of the movable box 201 in a penetrating manner;
The power portion includes first motor 202, first motor 202 right flank and removal case 201 left surface fixed connection, first motor 202 output pole right-hand member face runs through removal case 201 left surface and extends to the inside of removal case 201, first motor 202 output pole right-hand member face fixedly connected with worm 203, worm 203 surface and worm wheel 205 side meshing, worm 203 right-hand member face rotates with the inside side of removal case 201 through first bearing frame and is connected, threaded rod 204 bottom surface screw thread runs through backup pad 206 top surface and extends to backup pad 206 below, threaded rod 204 terminal surface rotates with removal case 201 inner wall through the second bearing frame and is connected, backup pad 206 side and removal case 201 inside side sliding connection, four universal wheel 207 top surfaces all are connected with backup pad 206 bottom surface fixed connection, through mobile mechanism 2, the power portion provides power for the rotation of threaded rod 204, the mobile part is convenient for slide out universal wheel 207 from the universal wheel export, be convenient for dolly 1 removes, simultaneously the mobile part can take in universal wheel 207 to remove in the removal case 201, can prevent the slip of dolly 1 when working, improve the firm degree and the security of this stretch-draw trolley.
Examples
On the basis of the first embodiment, a preferred embodiment of the tensioning trolley convenient to adjust provided by the utility model is shown in fig. 1 to 6: the adjusting mechanism 3 comprises an adjusting part and a supporting part;
The adjusting part is positioned below the supporting part;
the adjusting part comprises a second motor 301, the left side surface of the second motor 301 is fixedly connected with the right side surface of the movable box 201, a sliding groove is formed in the top surface of the movable box 201 in a penetrating manner, a double-head threaded rod 302 and two sliding blocks 303 are arranged in the sliding groove, the two sliding blocks 303 are symmetrically arranged, and an adjusting rod 304 is arranged above the sliding blocks 303;
The supporting part includes slide drum 305, dolly 1 bottom surface fixedly connected with slide bar 306, slide bar 306 and slide drum 305 all are provided with four, the second motor 301 output pole left end face runs through the movable box 201 right flank and extends to the spout inside, second motor 301 output pole left end face and double-end threaded rod 302 right-hand member face fixed connection, double-end threaded rod 302 left end face screw thread runs through two slider 303 right flanks and extends to two slider 303 left sides, slider 303 bottom surface and the inside bottom surface sliding connection of spout, double-end threaded rod 302 left end face passes through the third bearing seat and is connected with the spout inner wall rotation, adjust pole 304 bottom surface and slider 303 top surface articulated, adjust pole 304 top end face and dolly 1 bottom surface articulated, slide drum 305 bottom surface and movable box 201 top surface fixed connection, slide bar 306 bottom surface slip runs through slide drum 305 top surface and extends to inside the slide drum 305, through adjustment mechanism 3, adjustment portion is convenient for with the dolly 1 adjust to behind the suitable height with the cable wire casing, and then can stretch-draw work, the stability when supporting part improves dolly 1 and goes up and down to adjust, be convenient for this stretch-draw the dolly to adjust.
When the trolley is used, the first motor 202 is started, the output rod of the first motor 202 drives the connected worm 203 to rotate, the worm 203 drives the connected worm wheel 205 to rotate, so that the threaded rod 204 rotates, the threaded rod 204 drives the connected supporting plate 206 to move downwards, the supporting plate 206 drives the connected universal wheel 207 to move downwards and slide out of the outlet of the universal wheel, the trolley 1 is conveniently driven to move by the movable box 201, and when the trolley is moved to a working position, the output rod of the first motor 202 is controlled to rotate reversely, the universal wheel 207 is retracted into the movable box 201, and the trolley 1 is prevented from sliding; the second motor 301 is started, the output rod of the second motor 301 drives the connected double-end threaded rod 302 to rotate, the double-end threaded rod 302 drives the connected two sliding blocks 303 to be close to each other, the two sliding blocks 303 drive the connected adjusting rod 304 to be close to each other, the trolley 1 is pushed to move upwards by the adjusting rod 304, the trolley 1 drives the connected sliding rod 306 to slide in the sliding cylinder 305, and when the trolley 1 is adjusted to a proper height, a steel cable is sleeved, so that tensioning work can be carried out.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Tensioning trolley convenient to adjust, including dolly (1), its characterized in that: a moving mechanism (2) and an adjusting mechanism (3) are arranged below the trolley (1), and the adjusting mechanism (3) is positioned above the moving mechanism (2);
The moving mechanism (2) comprises a moving part and a power part;
The moving part is positioned at the rear side of the power part;
The movable part comprises a movable box (201), a supporting plate (206) and two threaded rods (204) are arranged in the movable box (201), the two threaded rods (204) are symmetrically arranged, worm gears (205) are fixedly sleeved on the surfaces of the threaded rods (204), the worm gears (205) are positioned above the supporting plate (206), four universal wheels (207) are arranged below the supporting plate (206), and a universal wheel outlet is formed in the inner bottom surface of the movable box (201) in a penetrating mode;
The power portion includes first motor (202), first motor (202) right flank and removal case (201) left surface fixed connection, first motor (202) output rod right-hand member face runs through removal case (201) left surface and extends to removal case (201) inside, first motor (202) output rod right-hand member face fixedly connected with worm (203).
2. A tensioning trolley for facilitating adjustment according to claim 1, wherein: the surface of the worm (203) is meshed with the side surface of the worm wheel (205), and the right end surface of the worm (203) is rotatably connected with the inner side surface of the movable box (201) through a first bearing seat.
3. A tensioning trolley for facilitating adjustment according to claim 1, wherein: the bottom end surface threads of the threaded rod (204) penetrate through the top surface of the supporting plate (206) and extend to the lower portion of the supporting plate (206), and the end surface of the threaded rod (204) is rotationally connected with the inner wall of the movable box (201) through a second bearing.
4. A tensioning trolley for facilitating adjustment according to claim 1, wherein: the side surfaces of the supporting plates (206) are in sliding connection with the inner side surfaces of the movable box (201), and the top surfaces of the four universal wheels (207) are fixedly connected with the bottom surfaces of the supporting plates (206).
5. A tensioning trolley for facilitating adjustment according to claim 1, wherein: the adjusting mechanism (3) comprises an adjusting part and a supporting part;
The adjusting part is positioned below the supporting part;
the adjusting part comprises a second motor (301), the left side surface of the second motor (301) is fixedly connected with the right side surface of the movable box (201), a sliding groove is formed in the top surface of the movable box (201) in a penetrating mode, a double-head threaded rod (302) and two sliding blocks (303) are arranged in the sliding groove, the two sliding blocks (303) are symmetrically arranged, and an adjusting rod (304) is arranged above the sliding blocks (303);
The support part comprises a sliding barrel (305), a sliding rod (306) is fixedly connected to the bottom surface of the trolley (1), and four sliding rods (306) and four sliding barrels (305) are respectively arranged.
6. The adjustable tensioning trolley of claim 5, wherein: the left end face of the output rod of the second motor (301) penetrates through the right side face of the movable box (201) and extends into the sliding groove, and the left end face of the output rod of the second motor (301) is fixedly connected with the right end face of the double-head threaded rod (302).
7. The adjustable tensioning trolley of claim 5, wherein: the left end face screw thread of the double-end threaded rod (302) penetrates through the right side faces of the two sliding blocks (303) to extend to the left sides of the two sliding blocks (303), the bottom face of the sliding block (303) is in sliding connection with the inner bottom face of the sliding groove, the left end face of the double-end threaded rod (302) is rotationally connected with the inner wall of the sliding groove through a third bearing seat, the bottom end face of the adjusting rod (304) is hinged to the top face of the sliding block (303), and the top end face of the adjusting rod (304) is hinged to the bottom face of the trolley (1).
8. The adjustable tensioning trolley of claim 5, wherein: the bottom surface of the sliding cylinder (305) is fixedly connected with the top surface of the movable box (201), and the bottom end surface of the sliding rod (306) penetrates through the top surface of the sliding cylinder (305) in a sliding way and extends into the sliding cylinder (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719079.0U CN220847155U (en) | 2023-10-11 | 2023-10-11 | Tensioning trolley convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719079.0U CN220847155U (en) | 2023-10-11 | 2023-10-11 | Tensioning trolley convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847155U true CN220847155U (en) | 2024-04-26 |
Family
ID=90747166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322719079.0U Active CN220847155U (en) | 2023-10-11 | 2023-10-11 | Tensioning trolley convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847155U (en) |
-
2023
- 2023-10-11 CN CN202322719079.0U patent/CN220847155U/en active Active
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