CN217213375U - High-load rotating equipment - Google Patents

High-load rotating equipment Download PDF

Info

Publication number
CN217213375U
CN217213375U CN202122298680.8U CN202122298680U CN217213375U CN 217213375 U CN217213375 U CN 217213375U CN 202122298680 U CN202122298680 U CN 202122298680U CN 217213375 U CN217213375 U CN 217213375U
Authority
CN
China
Prior art keywords
guide rail
connecting rod
slider
rotating
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122298680.8U
Other languages
Chinese (zh)
Inventor
杨美高
农一宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Baling Union Equipment Co ltd
Original Assignee
Shenzhen Baling Union Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Baling Union Equipment Co ltd filed Critical Shenzhen Baling Union Equipment Co ltd
Priority to CN202122298680.8U priority Critical patent/CN217213375U/en
Application granted granted Critical
Publication of CN217213375U publication Critical patent/CN217213375U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transmission Devices (AREA)

Abstract

The utility model relates to a mechanical structure technical field especially relates to a high load rotary equipment, and it includes backup pad, microscope carrier, rotation supporting mechanism and positioning and rotating mechanism. Wherein, the microscope carrier sets up with the backup pad interval, is provided with the locating hole on the microscope carrier. The rotary supporting mechanism is arranged on the supporting plate and can support the carrying platform and enable the carrying platform to be arranged in a rotary mode relative to the supporting plate. The positioning and rotating mechanism is arranged on the supporting plate and comprises a connecting rod and a driving unit, the driving unit can drive the connecting rod to move along an arc line around the axis of the rotating center of the rotating and supporting mechanism, and the connecting rod is partially inserted into the positioning hole. The high-load rotating equipment can be suitable for high-load scenes, cost and space occupation can be reduced, the overall size of a product is reduced, and the economic benefit of the product is improved.

Description

High-load rotating equipment
Technical Field
The utility model relates to a mechanical structure technical field especially relates to a high load rotary equipment.
Background
The polaroid attaching machine is equipment for attaching polaroids on the front side and the back side of a formed liquid crystal glass substrate. The polaroid attaching machine is provided with a high-load contraposition rotating shaft, and the high-load contraposition rotating shaft is small in rotating angle and high in precision requirement. The prior polarizer attaching machine mostly adopts a direct drive motor to drive the rotation of a high-load contraposition rotating shaft. Since the high load is high in the rotational load of the alignment rotary shaft, the direct drive motor needs to have high torque and inertia, so that the cost of the direct drive motor is also increased accordingly. In addition, the direct drive motor has a large axial height and occupies a large space, which causes problems of tension in arrangement of other structures in the polarizer attaching machine, unreasonable connection and the like.
Therefore, a high-load rotating apparatus is required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high load rotating equipment can be applicable to the high load scene, can also reduce cost, reduces the space and occupies, reduces the whole size of product.
To achieve the purpose, the utility model adopts the following technical proposal:
a high-load rotating apparatus, comprising:
a support plate;
the carrying platform is arranged at intervals with the supporting plate, and a positioning hole is formed in the carrying platform;
the rotary supporting mechanism is arranged on the supporting plate and can support the carrying platform and enable the carrying platform to be arranged in a rotary mode relative to the supporting plate;
the positioning and rotating mechanism is arranged on the supporting plate and comprises a connecting rod and a driving unit, the driving unit can drive the connecting rod to move along an arc line around the axis of the rotating center of the rotating and supporting mechanism, and the connecting rod is partially inserted into the positioning hole.
Optionally, the driving unit includes a first driving component and a second driving component, the first driving component can drive the connecting rod to move along a first direction relative to the supporting plate, and the second driving component can drive the connecting rod to move along a second direction relative to the supporting plate, so that the connecting rod moves along an arc around an axis of a rotation center of the rotation supporting mechanism.
Optionally, the first driving assembly includes a first slider and a first guide rail disposed along the first direction, the first slider is movably disposed on the first guide rail, and the second driving assembly is connected to the first slider.
Optionally, the second driving assembly includes a second slider and a second guide rail disposed along the second direction, the second guide rail includes a rotor and a stator which are slidably engaged with each other, the second slider is connected to the rotor, and the connecting rod is disposed on the second slider.
Optionally, the second guide rails are oppositely arranged.
Optionally, the second guide rail is a cross roller guide rail.
Optionally, the rotary support mechanism comprises a support bearing, an outer ring of the support bearing supports the stage, and an inner ring of the support bearing is connected to the support plate, or the inner ring of the support bearing supports the stage, and an outer ring of the support bearing is connected to the support plate.
Optionally, the support bearing is a cross roller bearing.
Optionally, the driving unit includes a cross rolling guide, the cross rolling guide includes a third guide, a fourth guide and a cross slider, the third guide is disposed on the support plate along the first direction, the cross slider is slidably connected to the third guide, the fourth guide is slidably disposed on the cross slider, and the connecting rod is disposed on the fourth guide, so that the connecting rod moves along an arc around an axis of a rotation center of the rotation support mechanism.
Optionally, the driving unit includes a third driving assembly and a connecting plate, the third driving assembly includes a fifth guide rail and a third slider, the fifth guide rail is disposed along the first direction, the third slider is slidably disposed on the fifth guide rail, one end of the connecting plate is rotatably connected to the third slider, and the connecting rod is rotatably disposed at the other end of the connecting plate, so that the connecting rod moves along an arc around an axis of a rotation center of the rotation support mechanism.
The utility model has the advantages that:
the utility model provides a high-load rotating equipment, including backup pad, microscope carrier, rotation supporting mechanism and positioning and rotating mechanism. Wherein, the microscope carrier sets up with the backup pad interval, is provided with the locating hole on the microscope carrier. The rotary supporting mechanism is arranged on the supporting plate and can support the carrying platform and enable the carrying platform to be arranged in a rotary mode relative to the supporting plate. The positioning and rotating mechanism is arranged on the supporting plate and comprises a connecting rod and a driving unit, the driving unit can drive the connecting rod to move along an arc line around the axis of the rotating center of the rotating and supporting mechanism, and the connecting rod is partially inserted into the positioning hole.
It can be known that, rotation support mechanism is used for supporting the high load on microscope carrier and the microscope carrier, and the connecting rod is used for driving the microscope carrier to rotate. The rotating center of the rotating support mechanism corresponds to the position on the carrier, and the distance between the rotating center of the rotating support mechanism and the positioning hole on the carrier is fixed. The driving unit drives the connecting rod to move along an arc line around the axis of the rotating center, so that the carrying platform can be driven to rotate. Because the rotary supporting mechanism and the positioning and rotating mechanism respectively play roles in supporting weight and driving rotation, the rotary supporting mechanism and the positioning and rotating mechanism can replace a direct drive motor, not only can be suitable for high-load scenes, but also can reduce cost and space occupation, reduce the overall size of a product and improve the economic benefit of the product.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a high-load rotating device according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a high-load rotating device according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of the internal structure of a high-load rotating device according to a third embodiment of the present invention (without a connecting rod).
In the figure:
1. a support plate;
2. a support bearing;
3. a connecting rod;
4. a first drive assembly; 41. a first guide rail; 42. a first slider;
5. a second drive assembly; 51. a second guide rail; 52. a second slider;
6. a cross rolling guide rail; 61. a third guide rail; 62. a fourth guide rail; 63. a crosshead shoe;
7. a third drive assembly; 71. a fifth guide rail; 72. a third slider;
8. a connecting plate;
9. and rotating the shaft.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
Example one
Most of the existing polarizer attaching machines adopt a direct drive motor to drive the rotation of a high-load contraposition rotating shaft. However, due to the high rotational load, the torque and inertia requirements of the direct drive motor are high, and the cost is correspondingly increased. And the axial height of the direct drive motor is large, and the occupied space is large, so that the whole size of the polaroid attaching machine is increased. Accordingly, the present embodiment provides a high-load rotation apparatus, which can be used in a polarizer attachment machine to solve the above problems.
As shown in fig. 1, the high-load rotating apparatus includes a support plate 1, a stage (not shown in the figure), a rotation support mechanism, and a positioning rotation mechanism. Wherein, the carrying platform and the supporting plate 1 are arranged at intervals, and the carrying platform is provided with a positioning hole (not shown in the figure). The rotation supporting mechanism is arranged on the supporting plate 1, and can support the carrying platform and enable the carrying platform to be arranged in a rotating mode relative to the supporting plate 1. The positioning and rotating mechanism is arranged on the supporting plate 1 and comprises a connecting rod 3 and a driving unit, the driving unit can drive the connecting rod 3 to move along an arc line around the axis of the rotating center of the rotating and supporting mechanism, and the connecting rod 3 is partially inserted into the positioning hole.
It can be known that, rotation support mechanism is used for supporting the high load on microscope carrier and the microscope carrier, and connecting rod 3 is used for driving the microscope carrier to rotate. The rotating center of the rotating support mechanism corresponds to the position on the carrier, and the distance between the rotating center of the rotating support mechanism and the positioning hole on the carrier is fixed. The driving unit drives the connecting rod 3 to move along an arc line around the axis of the rotating center, and then the carrying platform can be driven to rotate. Because the rotary supporting mechanism and the positioning and rotating mechanism respectively play roles of supporting weight and driving rotation, the direct drive motor can be replaced. The rotary support mechanism only needs to support the weight of the carrier and the load, and compared with a direct drive motor, the height and the cost are greatly reduced. Therefore, the high-load rotating equipment not only can be suitable for high-load scenes, but also can reduce the cost and the space occupation amount, reduce the overall size of products and improve the economic benefit of the products.
Optionally, the driving unit includes a first driving assembly 4 and a second driving assembly 5, the first driving assembly 4 can drive the connecting rod 3 to move along a first direction relative to the supporting plate 1, and the second driving assembly 5 can drive the connecting rod 3 to move along a second direction relative to the supporting plate 1. Optionally, in this embodiment, the first direction is a tangential direction of a circle with a rotation center of the rotation support mechanism as a center, and the second direction is perpendicular to the first direction. The first driving component 4 and the second driving component 5 respectively drive the connecting rod 3 to move along the first direction and the second direction, so that the connecting rod 3 can move along the third direction between the first direction and the second direction at any moment. Through the coordinated control of the first driving assembly 4 and the second driving assembly 5, the third direction is changed at every moment, and the connecting rod 3 can move along an arc around the axis of the rotation center. This high load rotating equipment uses the higher two sets of linear drive assembly coordinated control of precision to realize the curvilinear motion of connecting rod 3, cooperate the rotation support mechanism again and can realize the high accuracy of microscope carrier rotatory, can also improve the load capacity of connecting rod 3, guarantee the stable rotation of microscope carrier.
Alternatively, the first driving assembly 4 includes a first slider 42 and a first guide rail 41 disposed along the first direction, the first slider 42 is movably disposed on the first guide rail 41, and the second driving assembly 5 is connected to the first slider 42. Optionally, the first driving assembly 4 further comprises a first driving member to drive the first sliding block 42 to slide on the first guiding rail 41. In order to ensure that the distance of movement of the connecting rod 3 in the first direction meets the accuracy requirements, the first drive member is optionally a servo motor.
In order to ensure that the distance of movement of the connecting rod 3 in the second direction meets the precision requirements, the second drive assembly 5 optionally comprises a second slide 52 and a second guide 51 arranged in the second direction. The second guide rail 51 comprises a rotor and a stator which are in sliding fit, the second slider 52 is connected to the rotor, and the connecting rod 3 is arranged on the second slider 52. Since the connecting rod 3 moves in an arc about the axis of the rotation center by a small distance in the second direction, the second guide rail 51 is optionally a cross roller guide rail to ensure the moving accuracy. And in order to secure the stability of the movement, the second guide rails 51 are optionally provided in two opposite directions. Optionally, the movers of the two second guide rails 51 are fixedly connected to the bottom of the second slider 52, respectively, so that when the two movers move cooperatively, the second slider 52 moves stably.
In order to protect the second guide rails 51, optionally, a bearing plate is fixedly connected to the first slider 42, the bearing plate is provided with a groove, and the stators of the two second guide rails 51 are oppositely arranged at the side walls of the two grooves to ensure that the movers of the second guide rails 51 move in the groove. It will be appreciated that the length of the groove needs to be such that the distance of movement of the connecting rod 3 in the second direction is met.
Optionally, the second drive assembly 5 further comprises a second driver to drive the sliding of the mover relative to the stator. In order to ensure that the distance of movement of the connecting rod 3 in the second direction meets the accuracy requirements, the second drive member is optionally an electric or pneumatic cylinder.
In order to further improve the stability of the connecting rod driving the carrier to rotate, optionally, the high-load rotating equipment is provided with a plurality of positioning and rotating mechanisms, namely, a plurality of sets of connecting rods 3 and a driving unit are arranged, the carrier is provided with a plurality of positioning holes, and the plurality of connecting rods 3 and the plurality of positioning holes are arranged in a one-to-one correspondence manner, so that the simultaneous driving and rotating of multiple points on the carrier can be realized, and the stability of the carrier rotation can be ensured.
Alternatively, the rotary support mechanism includes a support bearing, an outer ring of which supports the stage, an inner ring of which is connected to the support plate 1, or an inner ring of which supports the stage, and an outer ring of which is connected to the support plate 1. To ensure the load-bearing capacity of the bearing, the support bearing is optionally a cross roller bearing.
Optionally, two supporting plates are vertically and oppositely arranged on the supporting plate 1, a bearing plate is erected on the two supporting plates, a through hole is formed in the bearing plate, and the supporting bearing is arranged in the through hole. Namely, the outer wall of the outer ring of the support bearing is fixedly connected with the inner wall of the through hole, and the inner ring of the support bearing is fixedly connected with the carrier, so that the carrier can stably rotate relative to the support plate 1.
Example two
The present embodiment discloses a high-load rotating apparatus, and the high-load rotating apparatus in the present embodiment is different from the high-load rotating apparatus in the first embodiment in that: as shown in fig. 2, the driving unit of the high-load swivel apparatus provided in the present embodiment includes a cross rolling guide 6 to realize the movement of the connecting rod 3 in an arc. Specifically, the cross rolling guide 6 includes a third guide rail 61, a fourth guide rail 62 and a cross slider 63, the third guide rail 61 is disposed on the support plate 1 along the first direction, the cross slider 63 is slidably connected to the third guide rail 61, the fourth guide rail 62 is slidably disposed on the cross slider 63, and the connecting rod 3 is disposed on the fourth guide rail 62. The cross rolling guide rail 6 is used to replace the first driving component 4 and the second driving component 5, and the connecting rod 3 can be driven to move along an arc line around the axis of the rotation center of the rotation supporting mechanism to realize the rotation of the carrier.
In addition, the remaining structure of the high-load rotating apparatus provided in this embodiment is the same as that of the high-load rotating apparatus in the first embodiment, and is not described herein again.
EXAMPLE III
The present embodiment discloses a high-load rotating apparatus, and the high-load rotating apparatus in the present embodiment is different from the high-load rotating apparatus in the first embodiment in that: as shown in fig. 3, the high-load rotary apparatus provided in this embodiment uses a set of linear driving components in cooperation with a link structure to realize the movement of the connecting rod 3 along an arc about the axis of the rotation center of the rotation support mechanism. Specifically, the driving unit of the high-load rotating apparatus includes a third driving assembly 7 and a connecting plate 8, the third driving assembly 7 includes a fifth guide rail 71 and a third slider 72, the fifth guide rail 71 is disposed along the first direction, and the third slider 72 is slidably disposed on the fifth guide rail 71. One end of the connecting plate 8 is rotatably connected to the third slider 72, and the connecting rod 3 is rotatably disposed at the other end of the connecting plate 8. Alternatively, one end of the connecting plate 8 rotatably connected to the third slider 72 is provided with a through hole in which the rotating shaft 9 is partially inserted. The rotating shaft 9 is fixedly connected with the third sliding block 72, and a first bearing is arranged between the rotating shaft 9 and the connecting plate 8 to realize rotating connection. Or the rotating shaft 9 is fixedly connected with the connecting plate 8, the third slider 72 is provided with a groove, the rotating shaft 9 is partially inserted into the groove, and a first bearing is arranged between the rotating shaft 9 and the side wall of the groove of the third slider 72 to realize rotating connection. A through hole is also formed in one end, provided with the connecting rod 3, of the connecting plate 8, the connecting rod 3 is partially inserted into the through hole, and a second bearing is arranged between the connecting rod 3 and the inner wall of the through hole, so that the connecting rod 3 can be rotatably arranged on the connecting plate 8. The upper end of the connecting rod 3 is inserted into the positioning hole of the carrying platform and is fixedly connected with the positioning hole.
In addition, the remaining structure of the high-load rotating apparatus provided in this embodiment is the same as that of the high-load rotating apparatus in the first embodiment, and is not described herein again.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A high-load rotating apparatus, comprising:
a support plate (1);
the carrying platform is arranged at intervals with the supporting plate (1), and a positioning hole is formed in the carrying platform;
the rotary supporting mechanism is arranged on the supporting plate (1), and can support the carrying platform and enable the carrying platform to be arranged in a rotary mode relative to the supporting plate (1);
the positioning and rotating mechanism is arranged on the supporting plate (1) and comprises a connecting rod (3) and a driving unit, the driving unit can drive the connecting rod (3) to move along an arc line around the axis of the rotating center of the rotating and supporting mechanism, and the connecting rod (3) is partially inserted into the positioning hole.
2. A high load swivel arrangement according to claim 1, characterized in that the drive unit comprises a first drive assembly (4) and a second drive assembly (5), the first drive assembly (4) being capable of moving the connecting rod (3) in a first direction relative to the support plate (1), the second drive assembly (5) being capable of moving the connecting rod (3) in a second direction relative to the support plate (1) to move the connecting rod (3) in an arc about the axis of the centre of rotation of the swivel support mechanism.
3. A high load rotating apparatus according to claim 2, wherein the first driving assembly (4) comprises a first slider (42) and a first guide rail (41) arranged in the first direction, the first slider (42) being movably arranged on the first guide rail (41), the second driving assembly (5) being connected to the first slider (42).
4. A high load rotating device according to claim 2, wherein the second drive assembly (5) comprises a second slider (52) and a second guide rail (51) arranged in the second direction, the second guide rail (51) comprising a slidably fitted mover and stator, the second slider (52) being connected to the mover, the connecting rod (3) being arranged on the second slider (52).
5. A high load rotation device according to claim 4, wherein the second guide rails (51) are oppositely disposed in two.
6. A high load rotating apparatus according to claim 5, wherein said second guide rail (51) is a cross roller guide rail.
7. A high-load rotating apparatus according to claim 1, wherein the rotation support mechanism comprises a support bearing, an outer ring of which supports the stage, an inner ring of which is connected to the support plate (1), or an inner ring of which supports the stage, an outer ring of which is connected to the support plate (1).
8. The high-load rotating apparatus according to claim 7, wherein the support bearing is a cross roller bearing.
9. A high load swivel arrangement according to claim 2, wherein the drive unit comprises a cross rolling guide (6), the cross rolling guide (6) comprising a third guide rail (61), a fourth guide rail (62) and a cross slide (63), the third guide rail (61) being arranged on the support plate (1) in the first direction, the cross slide (63) being slidably connected to the third guide rail (61), the fourth guide rail (62) being slidably arranged on the cross slide (63), the connecting rod (3) being arranged on the fourth guide rail (62) such that the connecting rod (3) is moved in an arc around the axis of the centre of rotation of the swivel support arrangement.
10. A high load rotation device according to claim 2, wherein the drive unit comprises a third drive assembly (7) and a connection plate (8), the third drive assembly (7) comprising a fifth guide rail (71) and a third slider (72), the fifth guide rail (71) being arranged in the first direction, the third slider (72) being slidably arranged on the fifth guide rail (71), one end of the connection plate (8) being rotatably connected to the third slider (72), the connection rod (3) being rotatably arranged at the other end of the connection plate (8) such that the connection rod (3) moves in an arc about the axis of the centre of rotation of the rotation support mechanism.
CN202122298680.8U 2021-09-23 2021-09-23 High-load rotating equipment Active CN217213375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122298680.8U CN217213375U (en) 2021-09-23 2021-09-23 High-load rotating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122298680.8U CN217213375U (en) 2021-09-23 2021-09-23 High-load rotating equipment

Publications (1)

Publication Number Publication Date
CN217213375U true CN217213375U (en) 2022-08-16

Family

ID=82750982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122298680.8U Active CN217213375U (en) 2021-09-23 2021-09-23 High-load rotating equipment

Country Status (1)

Country Link
CN (1) CN217213375U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113867021A (en) * 2021-09-23 2021-12-31 深圳市八零联合装备有限公司 High-load rotating equipment and size calculation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113867021A (en) * 2021-09-23 2021-12-31 深圳市八零联合装备有限公司 High-load rotating equipment and size calculation method thereof

Similar Documents

Publication Publication Date Title
CN217213375U (en) High-load rotating equipment
CN107339386A (en) Double-stroke mechanism and two-pass travel mechanism
CN213269133U (en) Rotatable and liftable stage
CN116488423A (en) Large hollow direct-drive micro-alignment platform
CN207161647U (en) Double-stroke mechanism and two-pass travel mechanism
CN113867021A (en) High-load rotating equipment and size calculation method thereof
CN111220343A (en) Five-degree-of-freedom motion mechanism
CN115158956A (en) Bearing mechanism, using method thereof and stacking machine
CN214693103U (en) Self-balancing linear motor lifting platform
CN102441796B (en) Ultraprecise piezoelectric stepping rotation driving platform capable of regulating speed mechanically
CN212420412U (en) Five vertical cradle machining centers
CN1242873C (en) Movable type robot in 6 defree of freedom being connected in series parallel
CN212045995U (en) Rotary movement 3D printer
CN209504159U (en) A kind of rotating mechanical arm
CN207608831U (en) A kind of New operation device of bridge construction
CN212222340U (en) Stacker ground linear guide rail type driving device
CN112247654B (en) Z-axis balance structure for direct-drive machine tool
CN221217089U (en) Electromechanical construction operation platform of highway
CN220842483U (en) Trolley for replacing electricity
CN216904565U (en) High-precision working platform with symmetrical structure
CN217126399U (en) Roll up membrane with upset loading attachment aluminizes
CN218930760U (en) Transfer and turnover device for low-scattering heavy-load metal bracket
CN220286934U (en) Ball transmission mechanism
CN217658683U (en) Adjustable optical instrument platform
CN212983857U (en) Pile machine slewing mechanism, pile machine base and pile machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant