CN114030220A - High-rigidity double-frame loading system - Google Patents
High-rigidity double-frame loading system Download PDFInfo
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- CN114030220A CN114030220A CN202111141852.9A CN202111141852A CN114030220A CN 114030220 A CN114030220 A CN 114030220A CN 202111141852 A CN202111141852 A CN 202111141852A CN 114030220 A CN114030220 A CN 114030220A
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- worm
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- cross beam
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 30
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a high-rigidity double-frame loading system, which comprises: the main loading frame system comprises a movable beam assembly, a screw rod upright post and a base, wherein the screw rod upright post is symmetrically arranged on two sides of the upper surface of the base, and the movable beam assembly is sleeved on the screw rod upright post in a threaded manner; the reinforced frame system comprises a top cross beam, connecting screws and reinforced upright columns, wherein the reinforced upright columns are symmetrically arranged on two sides of the top cross beam and are connected with the top cross beam through the connecting screws; the top of the screw rod upright post is fixedly connected with the lower surface of the top cross beam, the bottom of the reinforcing upright post is connected with the two ends of the base, and the reinforcing upright post is located on the outer side of the screw rod upright post. The invention forms the whole high-rigidity double-frame loading system by combining the main loading frame system and the reinforcing frame system, and has the advantages of large loading space, high strength and rigidity of the system, large loading load and the like.
Description
Technical Field
The invention relates to the technical field of testing machine host equipment, in particular to a high-rigidity double-frame loading system.
Background
Firstly, with the development of society, the demand of the building industry for large-scale structural members is increased, and the traditional press machine with small tonnage can not meet the experimental requirements of the structural members with the increasing size, so that the safe and efficient experimental equipment with larger tonnage is urgently needed to be researched and developed and put into the market.
Secondly, after the tonnage and the size of the equipment are increased, a series of technical problems are brought. Most important is the rigidity and strength of the device. These technical problems determine whether the equipment can be normally used, and concern the safety of the equipment, and therefore, intensive and thorough research must be conducted to solve the problems one by one.
Disclosure of Invention
Therefore, in order to solve the above technical problems, it is necessary to provide a high-rigidity dual-frame system with a large loading space, high system strength and rigidity, and a large loading load.
A high stiffness dual frame loading system comprising:
the main loading frame system comprises a movable beam assembly, a screw rod upright post and a base, wherein the screw rod upright post is symmetrically arranged on two sides of the upper surface of the base, and the movable beam assembly is sleeved on the screw rod upright post in a threaded manner;
the reinforced frame system comprises a top cross beam, connecting screws and reinforced upright columns, wherein the reinforced upright columns are symmetrically arranged on two sides of the top cross beam and are connected with the top cross beam through the connecting screws;
the top of the screw rod upright post is fixedly connected with the lower surface of the top cross beam, the bottom of the reinforcing upright post is connected with the two ends of the base, and the reinforcing upright post is located on the outer side of the screw rod upright post.
In one embodiment, the moving beam assembly comprises:
moving the beam;
the power output unit is arranged on the movable cross beam;
the power output unit can drive the worm transmission unit to act;
at least one worm gear transmission unit, with the worm gear transmission unit corresponds the connection, every worm gear transmission unit still with the lead screw stand is connected, worm gear transmission unit can follow the lead screw stand reciprocates.
In one embodiment, the worm gear transmission unit includes: the device comprises a first inner hexagonal screw, a locking cylinder, a locking piston, a second inner hexagonal screw, an end cover, a thrust ball bearing, an auxiliary nut, a third inner hexagonal screw, a worm gear, a positive nut and a friction reducing pad;
the locking cylinder is connected with the locking piston, the locking piston is connected with an end cover through the first inner hexagon screw, and the end cover is connected with the movable cross beam through the second inner hexagon screw;
the auxiliary nut is arranged on the end face of the positive nut through a third inner hexagon screw; one end of the thrust ball bearing is mounted on the bearing mounting surface of the positive nut; the other end of the thrust ball bearing is arranged in a bearing hole of the end cover;
the worm wheel is arranged on the positive nut and drives the positive nut to rotate, and the shaft end surface of the positive nut is in sliding contact with the friction reducing pad;
the end face of the locking piston is in contact with the upper end face of the auxiliary nut, and the positive nut is sleeved on the lead screw upright post in a threaded manner.
In one embodiment, the worm drive unit includes: the fourth inner hexagon screw, the bearing end cover, the tapered roller bearing, the worm, the driven sprocket, the coupling, the bearing sleeve and the fifth inner hexagon screw;
the outer side end of the worm is connected with the bearing sleeve through the tapered roller bearing, and the bearing end cover is fixed on the outer side of the bearing sleeve through a fourth hexagon socket head cap screw; the middle part of the worm is meshed with the worm wheel, and the inner side end of the worm is connected with the power output unit.
In one embodiment, when a plurality of worm transmission units are provided, in two adjacent worm transmission units, one of the worm transmission units is provided with a driven sprocket, the other worm transmission unit is provided with a coupler, and the driven sprocket and the coupler are connected through a sixth hexagon socket head cap screw.
In one embodiment, the power output unit is connected to the movable beam by a fifth socket head cap screw, wherein the power output unit includes: the driving chain wheel, the key, the motor and the motor mounting plate; the motor is installed through connecting bolt on the motor mounting panel, just the motor through the key with drive sprocket is connected, drive sprocket with driven sprocket is connected through the chain.
In one embodiment, the screw rod upright post is provided with an upper locking nut and a lower locking nut, and the upper locking nut and the lower locking nut are respectively positioned at the upper side and the lower side of the base.
The high-rigidity double-frame loading system is formed by combining the main loading frame system and the reinforcing frame system, and has the advantages of large loading space, high strength and rigidity of the system, large loading load and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described 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 these drawings without creative efforts.
FIG. 1 is a schematic structural view of a high stiffness dual frame loading system of the present invention;
FIG. 2 is a schematic structural diagram of the main load framework system of the present invention;
FIG. 3 is a front view of the moving beam assembly of the present invention;
FIG. 4 is a top view of the moving beam assembly of the present invention;
fig. 5 is a schematic structural view of the reinforcing frame system of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-5, an embodiment of the present invention provides a high stiffness dual frame loading system, including: a main loading frame system 1 and a stiffening frame system 2.
The main loading frame system 1 comprises a movable beam assembly 101, a screw upright post 102 and a base 105, wherein the screw upright posts 102 are symmetrically arranged on two sides of the upper surface of the base 105, and the movable beam assembly 101 is sleeved on the screw upright post 102 in a threaded manner;
the reinforced frame system 2 comprises a top cross beam 201, a connecting screw 202 and a reinforced upright column 203, wherein the reinforced upright column 203 is symmetrically arranged at two sides of the top cross beam 201, and the reinforced upright column 203 is connected with the top cross beam 201 through the connecting screw 202;
the top of the screw upright column 102 is fixedly connected with the lower surface of the top beam 201, the bottom of the reinforcing upright column 203 is connected with two ends of the base 105, and the reinforcing upright column 203 is located on the outer side of the screw upright column 102. In this embodiment, in order to further improve the structural strength, the two screw columns 102 may be set in an inclined state, so that the two screw columns 102 and the top cross beam 201 form a trapezoid.
The high-rigidity double-frame loading system is formed by combining the main loading frame system 1 and the reinforcing frame system 2, and has the advantages of large loading space, high system strength and rigidity, large loading load and the like.
In an embodiment of the present invention, the moving beam assembly 101 includes: a moving beam 130, a power take-off unit, at least one worm drive unit and at least one worm wheel drive unit.
The power output unit is arranged on the movable beam 130; at least one worm transmission unit is connected with the power output unit, and the power output unit can drive the worm transmission unit to act; at least one worm gear transmission unit is correspondingly connected with the worm gear transmission unit, each worm gear transmission unit is also connected with the lead screw upright post 102, and the worm gear transmission units can move up and down along the lead screw upright post 102. In this embodiment, the worm transmission unit is driven by the power output unit to move, so as to drive the worm gear transmission unit to move up and down along the lead screw upright post 102, thereby playing a role in stable loading.
In an embodiment of the present invention, the worm gear transmission unit includes: a first socket head cap screw 105, a locking cylinder 106, a locking piston 107, a second socket head cap screw 108, an end cover 109, a thrust ball bearing 110, a secondary nut 111, a third socket head cap screw 112, a worm wheel 113, a positive nut 114 and a friction reducing pad 115;
the locking cylinder 106 is connected with the locking piston 107, the locking piston 107 is connected with an end cover 109 through the first socket head cap screw 105, and the end cover 109 is connected with the movable beam 130 through a second socket head cap screw 108;
the auxiliary nut 111 is mounted on the end surface of the positive nut 114 through a third socket head cap screw 112; one end of the thrust ball bearing 110 is mounted on the bearing mounting surface of the positive nut 114; the other end of the thrust ball bearing 110 is installed in a bearing hole of the end cover 109;
the worm wheel 113 is mounted on the positive nut 114, the worm wheel 113 drives the positive nut 114 to rotate, and the shaft end surface of the positive nut 114 is in sliding contact with the friction reducing pad 115; therefore, the abrasion of the shaft end surface of the positive nut 114 can be reduced, the service life of the positive nut is prolonged, in addition, the rotating stability of the positive nut 114 can be ensured, and the phenomena of clamping stagnation and the like are reduced.
The end surface of the locking piston 107 is in contact with the upper end surface of the auxiliary nut 111, and the positive nut 114 is sleeved on the lead screw upright post 102 in a threaded manner.
In an embodiment of the present invention, the worm drive unit includes: a fourth socket head cap screw 116, a bearing end cap 117, a tapered roller bearing 118, a worm 119, a driven sprocket 120, a coupling 121, a bearing sleeve 128 and a fifth socket head cap screw 131;
the outer end of the worm 119 is connected with the bearing sleeve 128 through the tapered roller bearing 118, and the bearing end cover 117 is fixed on the outer side of the bearing sleeve 128 through a fourth socket head cap screw 116; the middle of the worm 119 is engaged with the worm wheel 113, and the inner end of the worm 119 is connected with the power output unit. In this embodiment, when the power output unit drives the worm 119 to rotate, the worm wheel 113 can be driven to rotate.
In an embodiment of the present invention, when there are a plurality of worm drive units, one of the two adjacent worm drive units is provided with a driven sprocket 120, the other worm drive unit is provided with a coupler 121, and the driven sprocket 120 and the coupler 121 are connected by a sixth socket head cap screw 131. For example: in this embodiment, the worm transmission units and the worm wheel transmission units correspond to each other one by one, and the number of the worm transmission units and the number of the worm wheel transmission units are 4. Two adjacent worm drive units are distributed on the same straight line, so that the power output unit is connected with one of the worm drive units, and the two adjacent worm drive units can be driven to synchronously rotate at the same time, so that the moving synchronism of the movable beam assembly 101 can be improved.
In an embodiment of the present invention, the power output unit is connected to the movable beam 130 by a fifth socket head cap screw 125, wherein the power output unit includes: a drive sprocket 122, a key 123, a motor 124, and a motor mounting plate 126; the motor 124 is mounted on the motor mounting plate 126 through a connecting bolt 129, the motor 124 is connected with the driving sprocket 122 through a key 123, and the driving sprocket 122 is connected with the driven sprocket 120 through a chain 127. Thus, the power of the motor 124 can be transmitted to the worm 119 by the transmission of the chain 127, and the transmission stability is good and the precision is high.
In an embodiment of the present invention, the screw column 102 is provided with an upper lock nut 103 and a lower lock nut 104, and the upper lock nut 103 and the lower lock nut 104 are respectively located at upper and lower sides of the base 105. In this way, by adjusting the positions of the upper and lower lock nuts 103 and 104, the height of the lead screw column 102 relative to the base 105 can be adjusted conveniently and quickly.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A high stiffness dual frame loading system comprising:
the main loading frame system (1) comprises a movable cross beam assembly (101), a screw rod upright post (102) and a base (105), wherein the screw rod upright post (102) is symmetrically arranged on two sides of the upper surface of the base (105), and the movable cross beam assembly (101) is sleeved on the screw rod upright post (102) in a threaded manner;
the reinforced frame system (2) comprises a top cross beam (201), connecting screws (202) and reinforced upright columns (203), wherein the reinforced upright columns (203) are symmetrically arranged on two sides of the top cross beam (201), and the reinforced upright columns (203) are connected with the top cross beam (201) through the connecting screws (202);
the top of the screw rod upright post (102) is fixedly connected with the lower surface of the top cross beam (201), the bottom of the reinforcing upright post (203) is connected with two ends of the base (105), and the reinforcing upright post (203) is positioned on the outer side of the screw rod upright post (102).
2. The high stiffness dual frame loading system according to claim 1 wherein the moving beam assembly (101) comprises:
a moving beam (130);
a power output unit arranged on the moving beam (130);
the power output unit can drive the worm transmission unit to act;
the worm gear transmission unit is correspondingly connected with the worm gear transmission unit, each worm gear transmission unit is also connected with the lead screw upright post (102), and the worm gear transmission unit can move up and down along the lead screw upright post (102).
3. The high stiffness dual frame loading system of claim 2 wherein the worm gear drive unit comprises: the anti-friction device comprises a first inner hexagonal screw (105), a locking cylinder (106), a locking piston (107), a second inner hexagonal screw (108), an end cover (109), a thrust ball bearing (110), an auxiliary nut (111), a third inner hexagonal screw (112), a worm gear (113), a positive nut (114) and a friction reducing pad (115);
the locking cylinder (106) is connected with the locking piston (107), the locking piston (107) is connected with an end cover (109) through a first inner hexagon screw (105), and the end cover (109) is connected with the movable cross beam (130) through a second inner hexagon screw (108);
the auxiliary nut (111) is mounted on the end face of the positive nut (114) through a third inner hexagon screw (112); one end of the thrust ball bearing (110) is arranged on a bearing mounting surface of the positive nut (114); the other end of the thrust ball bearing (110) is arranged in a bearing hole of the end cover (109);
the worm wheel (113) is mounted on the positive nut (114), the worm wheel (113) drives the positive nut (114) to rotate, and the shaft end face of the positive nut (114) is in sliding contact with the friction reducing pad (115);
the end face of the locking piston (107) is in contact with the upper end face of the auxiliary nut (111), and the positive nut (114) is sleeved on the lead screw upright post (102) in a threaded mode.
4. The high stiffness dual frame loading system according to claim 3, wherein the worm drive unit comprises: a fourth inner hexagonal screw (116), a bearing end cover (117), a tapered roller bearing (118), a worm (119), a driven sprocket (120), a coupler (121), a bearing sleeve (128) and a fifth inner hexagonal screw (131);
the outer end of the worm (119) is connected with the bearing sleeve (128) through the tapered roller bearing (118), and the bearing end cover (117) is fixed on the outer side of the bearing sleeve (128) through a fourth inner hexagonal screw (116); the middle part of the worm (119) is meshed with the worm wheel (113), and the inner side end of the worm (119) is connected with the power output unit.
5. The high-rigidity double-frame loading system according to claim 4, wherein when a plurality of worm drive units are provided, a driven chain wheel (120) is mounted on one of the worm drive units, a coupling (121) is mounted on the other worm drive unit, and the driven chain wheel (120) and the coupling (121) are connected through a sixth hexagon socket screw (131).
6. The high stiffness dual frame loading system according to claim 5, wherein the power take off unit is connected to the moving beam (130) by a fifth socket head cap screw (125), wherein the power take off unit comprises: a drive sprocket (122), a key (123), a motor (124) and a motor mounting plate (126);
the motor (124) is installed on the motor installation plate (126) through a connecting bolt (129), the motor (124) is connected with the driving chain wheel (122) through a key (123), and the driving chain wheel (122) is connected with the driven chain wheel (120) through a chain (127).
7. The high-rigidity double-frame loading system according to claim 1, wherein an upper lock nut (103) and a lower lock nut (104) are arranged on the screw upright (102), and the upper lock nut (103) and the lower lock nut (104) are respectively arranged on the upper side and the lower side of the base (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141852.9A CN114030220A (en) | 2021-09-28 | 2021-09-28 | High-rigidity double-frame loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141852.9A CN114030220A (en) | 2021-09-28 | 2021-09-28 | High-rigidity double-frame loading system |
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| Publication Number | Publication Date |
|---|---|
| CN114030220A true CN114030220A (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111141852.9A Pending CN114030220A (en) | 2021-09-28 | 2021-09-28 | High-rigidity double-frame loading system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203656083U (en) * | 2013-12-19 | 2014-06-18 | 上海华龙测试仪器股份有限公司 | Device for eliminating gap between screw rod and nut on movable cross beam |
| CN105034437A (en) * | 2015-07-12 | 2015-11-11 | 四川海和风科技有限公司 | Biofuel particle normal-temperature forming machine |
| KR20160022173A (en) * | 2014-08-19 | 2016-02-29 | (주)트윈테크 | Multi Degree of Freedom Simulator Driving Apparatus having Worm speed reducer |
| CN106217927A (en) * | 2016-09-19 | 2016-12-14 | 南通市腾达锻压机床厂 | A kind of motor last item modularization mobile device |
| CN106989997A (en) * | 2017-04-11 | 2017-07-28 | 中国科学院地质与地球物理研究所 | A kind of device of indirect measurement coarse structure face dynamic rate |
| CN108489829A (en) * | 2018-05-22 | 2018-09-04 | 长沙市路盛仪器设备有限公司 | Road surface interlayer torsion shear test instrument |
-
2021
- 2021-09-28 CN CN202111141852.9A patent/CN114030220A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203656083U (en) * | 2013-12-19 | 2014-06-18 | 上海华龙测试仪器股份有限公司 | Device for eliminating gap between screw rod and nut on movable cross beam |
| KR20160022173A (en) * | 2014-08-19 | 2016-02-29 | (주)트윈테크 | Multi Degree of Freedom Simulator Driving Apparatus having Worm speed reducer |
| CN105034437A (en) * | 2015-07-12 | 2015-11-11 | 四川海和风科技有限公司 | Biofuel particle normal-temperature forming machine |
| CN106217927A (en) * | 2016-09-19 | 2016-12-14 | 南通市腾达锻压机床厂 | A kind of motor last item modularization mobile device |
| CN106989997A (en) * | 2017-04-11 | 2017-07-28 | 中国科学院地质与地球物理研究所 | A kind of device of indirect measurement coarse structure face dynamic rate |
| CN108489829A (en) * | 2018-05-22 | 2018-09-04 | 长沙市路盛仪器设备有限公司 | Road surface interlayer torsion shear test instrument |
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