CN110848513A - Adjustable base fixing device - Google Patents
Adjustable base fixing device Download PDFInfo
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- CN110848513A CN110848513A CN201911034904.5A CN201911034904A CN110848513A CN 110848513 A CN110848513 A CN 110848513A CN 201911034904 A CN201911034904 A CN 201911034904A CN 110848513 A CN110848513 A CN 110848513A
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- movable
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- adjusting plate
- sliding rail
- adjustable
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- 238000000034 method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/041—Allowing quick release of the apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
An adjustable base fixing device comprises a shell, a main adjusting plate and an adjustable fastening device; the invention is convenient to use, can be suitable for temporary fixation of equipment with different models and sizes in a certain range, is convenient to replace, and is beneficial to improving the production efficiency.
Description
Technical Field
The invention relates to a temporary fixing device applied to the field of mechanical equipment, in particular to an adjustable base fixing device.
Background
At present, in the use process of some small and medium-sized devices, the devices need to be temporarily fixed, for example, a vertical grinder, a motor or other small and medium-sized devices, through holes a for fixing are generally reserved on bases of the devices, bolts are adopted to pass through the through holes in the current fixing mode, and then the bolts are screwed on a fixing support at the bottom, and the mode has the following disadvantages: 1. adopt the bolt fastening, need preset the fixed point corresponding with the through-hole of this equipment that needs to fix on bottom fixed bolster, the bolt passes and screws into this fixed point internal fixation after the through-hole, so the fixed point is all fixed, if when the equipment of different models needs to be fixed (equipment upgrading for example), original fixed point just can not use, can only reset new fixed point to new equipment, reset not only the fixed point troublesome and when changing equipment once more, this fixed point probably also can not use again, it is also a waste, and work efficiency can greatly reduced, for example: when the fixed motor is changed in model, the position of the fixed point may be different; 2. the mode of screwing and fixing the bolt is adopted, so that on one hand, the bolt is labor-consuming, on the other hand, the bolt is required to be completely vertically corresponding to the fixing point at the bottom, otherwise, the bolt cannot be screwed and fixed, and the position needs to be repeatedly corrected; 3. the bolt screwing and fixing mode is that if the bolt needs to be repaired or maintained (some equipment, such as a motor, fails, and can not be repaired on site and can possibly return to a manufacturer), the bolt needs to be screwed repeatedly, so that the problems of loose bolt connection and infirm fixation can occur, and even the problem that the bolt and a bottom fixed point are disengaged and can not be fixed can occur.
Whether a temporary fixing device with stronger adaptability and higher efficiency can be adopted becomes a technical problem which needs to be solved urgently.
Disclosure of Invention
The purpose of the invention is as follows:
the invention provides an adjustable base fixing device, and aims to solve the problems in the prior art.
Technical scheme
An adjustable base fixing device comprises a shell, a main adjusting plate and an adjustable fastening device;
the upper end of the shell is provided with an opening, and the main adjusting plate is arranged in the shell and can move along the length direction of the opening (the inner side wall of the shell is provided with a sliding chute, and the main adjusting plate extends into the sliding chute and can move in the sliding chute, as shown in figure 2);
the adjustable fastening device comprises a movable wane, a pull rod and an adjusting rotary pipe; the movable warping plate is movably arranged below the main adjusting plate through the fulcrum shaft to form a structure (as shown in figure 3, also called a pressing plate structure and a lever principle) which can rotate by taking the fulcrum shaft as a shaft, the front end of the movable warping plate is provided with a transverse adjusting plate, and the transverse adjusting plate and the movable warping plate form a T-shaped structure (as shown in figure 1, the transverse adjusting plate is vertical to the movable warping plate); the horizontal adjusting plate is provided with a slide rail, the pull rod is arranged on the slide rail and can move along the slide rail, the bottom of the adjusting rotary pipe penetrates through the main adjusting plate, the adjusting rotary pipe is of a structure capable of rotating by taking a shaft of the adjusting rotary pipe as an axis, the axial position of the adjusting rotary pipe is unchanged in the rotating process of the adjusting rotary pipe (namely, the adjusting rotary pipe can only rotate by taking the shaft of the adjusting rotary pipe as the axis but does not move in the axial direction), the inner wall of the adjusting rotary pipe is provided with internal threads, the rear end of the movable wane is movably provided with an external threaded rod, the upper end of the external threaded rod extends into the adjusting rotary pipe and is in threaded fit with the adjusting rotary pipe, and when the adjusting rotary pipe is used, the external threaded rod is driven to move up and down by the;
the upper end of the pull rod extends out of the opening.
The bottom end of the pull rod is movably arranged on a sliding block through a movable shaft (the axial direction of the movable shaft is as shown in figure 3, is vertical to the drawing and is the same as the axial direction of the fulcrum shaft), and the sliding block is arranged on the sliding rail and can move along the sliding rail. (the structure of the sliding block is as shown in figure 4, the sliding block is provided with a through hole through which the sliding block is sleeved on the sliding rail, the structure of the sliding rail is as shown in figure 4, the sliding rail is a door-shaped structure formed by two upright posts and a cross post, the sliding block is sleeved on the cross post of the sliding rail by using the through hole of the sliding block, then the two ends of the cross post are connected with the upright posts, and the upright posts are fixed on the horizontal adjusting plate)
The upper end of the pull rod is provided with a transverse through hole (namely, the axial direction of the through hole is vertical to the axial direction of the pull rod), and the transverse through hole is of a structure capable of accommodating the insertion of the L-shaped inserted rod.
The upper end of the pull rod is provided with an external thread, and a nut is arranged on the external thread.
The lower end of the external screw thread rod is movably connected with the rear end of the movable wane through another shaft. (the externally threaded rod can rotate about the other shaft, which has the same axial direction as the fulcrum shaft)
The number of the pull rods is two.
The main adjusting plate and the adjustable fastening device are used as a group of fastening units, the fastening units are arranged in two groups, and the two groups of fastening units are arranged oppositely (namely the two groups of fastening units are arranged in a mirror image manner, as shown in fig. 1); the main adjusting plate 2 of one group of fastening units is fixedly connected with the shell (as shown in fig. 1, the main adjusting plate marked with B is fixed).
The top end of the adjusting rotary pipe is provided with an adjusting turntable.
The adjusting rotary pipe is provided with a ratchet wheel which is positioned on the upper surface of the main adjusting plate, the ratchet wheel is meshed with a ratchet positioned on the upper surface of the main adjusting plate (so that the ratchet wheel forms a structure of unidirectional rotation, the prior art), the ratchet wheel is arranged on a movable sliding block, and the movable sliding block is of a structure capable of moving on a movable sliding rail (the movable sliding rail is also arranged on the upper surface of the main adjusting plate).
The movable sliding rail (which is of a cross-post structure) is sleeved with a return spring, the front end of the return spring tightly props up the movable sliding block (so that the movable sliding block can be kept meshed with the ratchet wheel), and the rear end of the return spring is fixedly connected with the movable sliding rail.
The advantages and effects are as follows:
the invention relates to an adjustable base fixing device which comprises a shell, a main adjusting plate and an adjustable fastening device, wherein the number of the main adjusting plate is two, one main adjusting plate is fixed, the other main adjusting plate can move, the longitudinal length (shown as an arrow direction in figure 1) is adjusted by moving the movable main adjusting plate, the transverse width is adjusted by moving a pull rod to adapt to fixing through holes A with different sizes and different widths, then the pull rod extends into the through holes, and the pull rod tightens and fixes the base by screwing an adjusting turntable.
The invention is convenient to use, can be suitable for temporary fixation of equipment with different models and sizes in a certain range, is convenient to replace, and is beneficial to improving the production efficiency.
Drawings
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is a bottom cross-sectional, side cross-sectional view of FIG. 1 in one direction;
FIG. 3 is a side view, i.e., a side cross-sectional view in another direction, of FIG. 1;
FIG. 4 is a perspective view of the slide rail;
FIG. 5 is a plan view of the movable rocker;
FIG. 6 is an illustration of one of the devices to which the present invention applies, namely a motor schematic;
fig. 7 is a schematic view of a base of a vertical grinder.
Detailed Description
The utility model provides a base fixing device with adjustable which characterized in that: the device comprises a shell 1, a main adjusting plate 2 and an adjustable fastening device;
the upper end of the shell 1 is provided with an opening 1-1, the main adjusting plate 2 is arranged in the shell 1 and can move along the length direction of the opening 1-1 (the inner side wall of the shell 1 is provided with a chute 1-2, and the main adjusting plate 2 extends into the chute 1-2 and can move in the chute 1-2, as shown in fig. 2);
the adjustable fastening device comprises a movable wane 3-1, a pull rod 3-2 and an adjusting rotary pipe 3-3; the movable wane 3-1 is movably arranged below the main adjusting plate 2 through a fulcrum shaft 3-1-1 to form a structure (shown in figure 3, also called a pressing plate structure, a lever principle is similar to a common seesaw in life) which can rotate by taking the fulcrum shaft 3-1-1 as an axis, a transverse adjusting plate 3-4 is arranged at the front end of the movable wane 3-1, and the transverse adjusting plate 3-4 and the movable wane 3-1 form a T-shaped structure (shown in figure 1, the transverse adjusting plate 3-4 is vertical to the movable wane 3-1); a sliding rail 3-4-1 is arranged on the transverse adjusting plate 3-4, a pull rod 3-2 is arranged on the sliding rail 3-4-1 and can move along the sliding rail 3-4-1, the bottom of the adjusting rotating pipe 3-3 penetrates through the main adjusting plate 2, the adjusting rotating pipe 3-3 is of a structure capable of rotating by taking a shaft of the adjusting rotating pipe as a shaft, the axial position of the adjusting rotating pipe 3-3 is unchanged in the rotating process of the adjusting rotating pipe 3-3 (namely, the adjusting rotating pipe 3-3 only can rotate by taking the shaft of the adjusting rotating pipe as the shaft but cannot rotate in the axial direction), internal threads are arranged on the inner wall of the adjusting rotating pipe 3-3, an external threaded rod 3-1-2 is movably arranged at the rear end of the movable rocker 3-1, the upper end of the external threaded rod 3-1-2 extends into the adjusting rotating pipe 3-3 to be in threaded fit with the adjusting rotating pipe, when in use, the rotation of the rotating pipe 3-3 is adjusted to drive the external thread rod 3-1-2 to move up and down, so that the back end of the movable wane 3-1 moves up and down;
the upper end of the pull rod 3-2 extends out of the opening 1-1.
The bottom end of the pull rod 3-2 is movably arranged on the sliding block 3-2-3 through a movable shaft 3-2-2 (the axial direction of the movable shaft is as shown in figure 3, is vertical to the drawing and is the same as the axial direction of the fulcrum shaft 3-1-1), and the sliding block 3-2-3 is arranged on the sliding rail 3-4-1 and can move along the sliding rail 3-4-1. (the structure of the sliding block 3-2-3 is shown in figure 4, the sliding block 3-2-3 is provided with a through hole through which the sliding block is sleeved on the sliding rail, the structure of the sliding rail is shown in figure 4 and is a door-shaped structure formed by two upright posts and a cross post, the sliding block 3-2-3 is firstly sleeved on the cross post of the sliding rail by utilizing the through hole of the sliding block 3-2-3, then the two ends of the cross post are connected with the upright posts, and the upright posts are fixed on the transverse adjusting plate 3-4)
The upper end of the pull rod 3-2 is provided with a transverse through hole (namely the axial direction of the through hole is vertical to the axial direction of the pull rod), and the transverse through hole is of a structure capable of accommodating the insertion of the L-shaped inserted rod 3-2-1.
The upper end of the pull rod 3-2 is provided with an external thread, and a nut is arranged on the external thread.
The lower end of the external thread rod 3-1-2 is movably connected with the rear end of the movable wane 3-1 through another shaft 3-1-3. (the external screw-threaded rod 3-1-2 can rotate about the other shaft 3-1-3, and the other shaft 3-1-3 has the same axial direction as the fulcrum shaft 3-1-1)
The number of the pull rods 3-2 is two.
The main adjusting plate 2 and the adjustable fastening device are used as a group of fastening units, the fastening units are arranged in two groups, and the two groups of fastening units are arranged oppositely (namely, the two groups of fastening units are arranged in a mirror image manner, as shown in fig. 1); the main adjusting plate 2 of one group of fastening units is fixedly connected with the shell (as shown in fig. 1, the main adjusting plate 2 with the reference number B is fixed).
The top end of the adjusting rotary pipe 3-3 is provided with an adjusting turntable 5.
The adjusting rotary pipe 3-3 is provided with a ratchet wheel 3-3-1, the ratchet wheel 3-3-1 is positioned on the upper surface of the main adjusting plate 2, the ratchet wheel is meshed with the ratchet wheel 3-3-2 positioned on the upper surface of the main adjusting plate 2 (the ratchet wheel forms a unidirectional rotation structure, the prior art), the ratchet wheel 3-3-2 is arranged on the movable sliding block 3-3-3, and the movable sliding block 3-3-3 is a structure capable of moving on the movable sliding rail 3-3-4 (the movable sliding rail 3-3-4 is also arranged on the upper surface of the main adjusting plate 2).
The movable sliding rail 3-3-4 (a transverse column structure) is sleeved with a return spring 3-3-5, the front end of the return spring 3-3-5 tightly props against the movable sliding block 3-3-3 (so that the movable sliding block can be kept meshed with the ratchet wheel), and the rear end of the return spring 3-3-5 is fixedly connected with the movable sliding rail 3-3-4.
When the invention is used, the shell 1 does not need to be frequently moved, can be welded on a fixed frame or embedded on a construction site, and can also be fixed by other existing fixing modes such as bolts and the like, because the shell does not need to be frequently moved, the shell can be directly fixed, taking the motor shown in figure 6 as an example, when the invention is used, the main adjusting plate 2 is moved to enable the position of the main adjusting plate to be matched with the length direction (the up-down direction in figure 1) of the position of a through hole A on a motor base, then the pull rod 3-2 is moved to enable the pull rod 3-2 to be matched with the width direction of the position of the hole A, then the motor is dropped, the pull rod 3-2 is enabled to penetrate through the through hole A from the lower part, because the pull rod 3-2 can be adjusted to the upright state, if the position has slight deviation, under the condition that the motor is not particularly large, the position can be adjusted by fingers while the motor is moved to carry out fine adjustment, if the equipment is large, one person carries the motor to fall, the other person holds the pull rod 3-2 by hand to align the pull rod with the through hole A, if the equipment is a large motor or other equipment, a hoisting mode is generally adopted, so that when the equipment is hoisted to fall, a constructor only holds the motor by one hand and adjusts and aligns the pull rod with the through hole A by the other hand, in a word, the operation can be easily realized, after the pull rod 3-2 passes through the through hole, the part passing through the through hole is generally processed in two modes, one mode is to insert the L-shaped inserting rod 3-2-1 into the transverse through hole at the top of the pull rod 3-2, the L-shaped inserting rod 3-2-1 is an L-shaped structure formed by a vertical rod and a transverse rod (as shown in figure 2, the vertical rod is prevented from falling out of the transverse through hole, the length of the transverse rod is larger than the diameter of the through hole A and is used for being clamped at the through hole A, then a nut C is screwed on the external thread, the height of the nuts on the four pull rods 3-2 should be approximately equal (in order to ensure that the height of the four nuts can be ensured, a clamping key is welded on the pull rod 3-2, the nut is stopped when rotating to the position, the clamping key is too large, if the clamping key is too large, the pull rod 3-2 is prevented from passing through the through hole A, of course, the bottom of the nut C is also provided with a transverse through hole and an L-shaped inserting rod 3-2-1, after the pull rod 3-2 passes through the through hole A, the L-shaped inserting rod 3-2-1 is inserted, the L-shaped inserting rod 3-2-1 plays a role of limiting the nut C, and the diameter of the four nuts is larger than that of the through hole A so as to be used for clamping at the through hole A.
After the steps are completed, the adjusting rotary disc 5 is rotated to drive the adjusting rotary tube 3-3 to rotate, so that the external threaded rod 3-1-2 moves upwards and drives the rear end of the movable wane 3-1 to move upwards, the front end of the movable wane 3-1 moves downwards and pulls the four pull rods 3-2 to move downwards until the L-shaped inserted rod 3-2-1 or the nut blocks the through hole A to complete temporary locking and positioning, because the external threaded rod 3-1-2 and the adjusting rotary tube 3-3 are in threaded fit, even if the adjusting rotary tube 3-3 is slightly loosened by vibration in the using process, the external threaded rod 3-1-2 cannot be lowered too much, and certainly, in order to better reduce the possibility of autorotation of the adjusting rotary tube 3-3, the damping mode of the adjusting rotary tube 3-3 can be increased, this is prior art and the ratchet tooth-sharp mode of the present application can be used, because the adjusting dial 5 can only rotate in one direction due to the ratchet action of the ratchet wheel, thus, the adjusting rotary tube 3-3 can be further limited to reverse rotation.
When the motor needs to be replaced or disassembled, as shown in figure 1, one hand pulls the movable sliding block 3-3-3 rightwards to enable the ratchet 3-3-2 to be separated from the ratchet wheel, at the moment, the return spring 3-3-5 is compressed, then, the other hand reverses the adjusting rotary disc 5 to enable the external thread rod 3-1-2 to move downwards, further, the four pull rods 3-2 move upwards, then the L-shaped inserting rods 3-2-1 or nuts on the four pull rods are taken off, the motor is lifted, and in addition, when the sliding block 3-3-3 is loosened, the ratchet wheel is engaged again under the action of the return spring 3-3-5.
When a motor of another type or another size needs to be fixed, the main adjusting plate 2 and the four pull rods 3-2 are continuously moved to be suitable for new position requirements, and then the actions are repeated. The grinding wheel is applied to a vertical grinder for the same reason.
The invention can be suitable for various small and medium-sized equipment with the base provided with the fixing through hole A, such as a vertical grinder and the like, does not need to frequently reset positioning points, is very convenient and efficient to use, and is more suitable for places with more equipment, various equipment models or frequent equipment updating.
Claims (10)
1. The utility model provides a base fixing device with adjustable which characterized in that: the device comprises a shell (1), a main adjusting plate (2) and an adjustable fastening device;
the upper end of the shell (1) is provided with an opening (1-1), and the main adjusting plate (2) is arranged in the shell (1) and can move along the length direction of the opening (1-1);
the adjustable fastening device comprises a movable rocker (3-1), a pull rod (3-2) and an adjusting rotary pipe (3-3); the movable warping plate (3-1) is movably arranged below the main adjusting plate (2) through the fulcrum shaft (3-1-1) to form a structure capable of rotating by taking the fulcrum shaft (3-1-1) as an axis, the front end of the movable warping plate (3-1) is provided with a transverse adjusting plate (3-4), and the transverse adjusting plate (3-4) and the movable warping plate (3-1) form a T-shaped structure; a sliding rail (3-4-1) is arranged on the transverse adjusting plate (3-4), a pull rod (3-2) is arranged on the sliding rail (3-4-1) and can move along the sliding rail (3-4-1), the bottom of the adjusting rotating pipe (3-3) penetrates through the main adjusting plate (2), the adjusting rotating pipe (3-3) is of a structure capable of rotating by taking the shaft of the adjusting rotating pipe as the shaft, the axial position of the adjusting rotating pipe (3-3) is unchanged in the rotating process, the inner wall of the adjusting rotating pipe (3-3) is provided with internal threads, the rear end of the movable wane (3-1) is movably provided with an external threaded rod (3-1-2), the upper end of the external threaded rod (3-1-2) extends into the adjusting rotating pipe (3-3) to be in threaded fit with the adjusting rotating pipe (3-3), when in use, the rotation of the rotating pipe (3-3) is adjusted to drive the external thread rod (3-1-2) to move up and down, so that the back end of the movable wane (3-1) moves up and down;
the upper end of the pull rod (3-2) extends out of the opening (1-1).
2. The adjustable base fixture of claim 1, wherein: the bottom end of the pull rod (3-2) is movably arranged on the sliding block (3-2-3) through a movable shaft (3-2-2), and the sliding block (3-2-3) is arranged on the sliding rail (3-4-1) and can move along the sliding rail (3-4-1).
3. The adjustable base fixture of claim 2, wherein:
the upper end of the pull rod (3-2) is provided with a transverse through hole which is of a structure capable of accommodating the insertion of the L-shaped inserted rod (3-2-1).
4. The adjustable base fixture of claim 2, wherein: the upper end of the pull rod (3-2) is provided with an external thread, and a nut is arranged on the external thread.
5. The adjustable base fixture of claim 1, wherein: the lower end of the external thread rod (3-1-2) is movably connected with the rear end of the movable wane (3-1) through another shaft (3-1-3).
6. The adjustable base fixture of any one of claims 1-5, wherein: the number of the pull rods (3-2) is two.
7. The adjustable base fixture of claim 6, wherein: the main adjusting plate (2) and the adjustable fastening device are used as a group of fastening units, the two groups of fastening units are arranged, and the two groups of fastening units are arranged oppositely; the main adjusting plate (2) of one group of fastening units is fixedly connected with the shell.
8. The adjustable base fixture of claim 7, wherein: the top end of the adjusting rotary pipe (3-3) is provided with an adjusting turntable (5).
9. The adjustable base fixture of claim 8, wherein: the adjusting rotary pipe (3-3) is provided with a ratchet wheel (3-3-1), the ratchet wheel (3-3-1) is positioned on the upper surface of the main adjusting plate (2), the ratchet wheel is meshed with the ratchet wheel (3-3-2) positioned on the upper surface of the main adjusting plate (2), the ratchet wheel (3-3-2) is arranged on the movable sliding block (3-3-3), and the movable sliding block (3-3-3) is of a structure capable of moving on the movable sliding rail (3-3-4).
10. The adjustable base fixture of claim 9, wherein: the movable sliding rail (3-3-4) is sleeved with a return spring (3-3-5), the front end of the return spring (3-3-5) is tightly propped against the movable sliding block (3-3-3), and the rear end of the return spring (3-3-5) is fixedly connected with the movable sliding rail (3-3-4).
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CN201911034904.5A CN110848513B (en) | 2019-10-29 | 2019-10-29 | Adjustable base fixing device |
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CN201911034904.5A CN110848513B (en) | 2019-10-29 | 2019-10-29 | Adjustable base fixing device |
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CN110848513B CN110848513B (en) | 2021-08-17 |
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CN208142964U (en) * | 2018-05-10 | 2018-11-23 | 王燕翔 | A kind of deceleration direct-current motor equipment |
CN209448537U (en) * | 2018-12-31 | 2019-09-27 | 创远亿德(天津)集团有限公司 | A kind of magneto wind disk fixed mechanism |
CN209380663U (en) * | 2019-01-14 | 2019-09-13 | 李家林 | A kind of multifunctional combination drawing horse |
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