CN220872263U - C50 commodity concrete bending test machine - Google Patents
C50 commodity concrete bending test machine Download PDFInfo
- Publication number
- CN220872263U CN220872263U CN202322704187.0U CN202322704187U CN220872263U CN 220872263 U CN220872263 U CN 220872263U CN 202322704187 U CN202322704187 U CN 202322704187U CN 220872263 U CN220872263 U CN 220872263U
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- bending test
- frame
- concrete
- test seat
- backing roll
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- 238000012360 testing method Methods 0.000 title claims abstract description 69
- 238000005452 bending Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 description 10
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a C50 commercial concrete flexural testing machine, relates to the technical field of concrete testing equipment, and solves the problems that a person is required to assist in lifting a concrete square to lift and cause the upper part of a support column, and the concrete square is laborious to place. The utility model provides a C50 commodity concrete bending test machine, includes the press organism, press organism middle part is fixed with the bending test seat, and bending test seat upper portion is provided with the side and moves the pushing away the frame, and bending test seat middle part top is provided with well backing roll, and bending test seat middle part rotates there is well screw rod, and bending test seat upper portion both sides all set up the spout horizontal slip and have the upper bracket, and the upper bracket top rotates there is the side backing roll, and the side cap board side is fixed with the side cap board. The utility model discloses make things convenient for concrete square to slide to another side backing roll along well backing roll through side backing roll, the whole slip of concrete is placed more laborsaving.
Description
Technical Field
The utility model belongs to the technical field of concrete test equipment, and particularly relates to a C50 commercial concrete flexural testing machine.
Background
The C50 commercial concrete is commonly used in highway bridge construction, and when the C50 commercial concrete is used, the C50 commercial concrete is poured into a rectangular cube mold for molding, and after the rectangular cube C50 commercial concrete is cured, the strength is tested by a bending tester.
The both sides fulcrum of concrete square needs anti base pillar of rolling over to align the contact, carries out the jack-up with concrete square and below through the pillar, and the concrete square is aligned around through manual promotion of personnel, and the range of motion is not good control, and personnel need manual promotion adjustment many times, and the in-process that the concrete square both sides moved the pillar because the interval between the pillar still need personnel to lift up the concrete square and assist, comparatively laborious problem when the concrete square was placed.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the C50 commercial concrete bending test machine, which is used for solving the problems that supporting points on two sides of a concrete block need to be aligned and contacted with protruding support posts on two sides of an anti-bending base, the concrete block is overhead from the lower part through the support posts, the concrete block is overhead and is adjusted and aligned through manual pushing forward and backward movement of a person, the weight of the concrete block is heavy, the force of the person is hard to control, the moving range of the concrete block is not controlled well, the person can manually push the concrete block to adjust for multiple times to align, and in the process of moving two sides of the concrete block to the support posts, the person is also needed to assist in lifting the concrete block and causing the upper part of the support posts in the process of placing the concrete block, and the placing of the concrete block is laborious.
The utility model discloses a purpose and an effect of a C50 commercial concrete flexural testing machine, which are achieved by the following specific technical means:
The utility model provides a C50 commodity concrete bending test machine, includes the press organism, press organism middle part is fixed with the bending test seat, and bending test seat upper portion outside is provided with the side and moves the pushing away the frame, and bending test seat middle part top is provided with well backing roll, and press organism upper portion is fixed with the hydraulic lift jar, and the telescopic link upper end and the pressure frame fixed connection of hydraulic lift jar, the inside expansion and contraction that sets up hydraulic pump machine support hydraulic lift jar of press organism.
Further, the middle screw rod is rotated in the middle of the bending test seat, the sliding grooves are formed in two sides of the upper portion of the bending test seat and horizontally slide to form an upper support, the top of the upper support is rotated to form a side supporting roller, and the side cover plate is fixed on the side face of the side cover plate.
Further, the side cover plate covers the top of upper bracket both sides spout, and the side cover plate covers on the well screw rod, avoids the concrete to enter into in the spout of upper bracket both sides at random, on the screw rod external screw thread in the debris adhesion of avoiding, the screw thread spiro union at upper bracket lower part and well screw rod both ends, and the upper bracket carries out axial displacement along well screw rod external screw thread, and the upper bracket at well screw rod both ends is the opposite direction and removes, and the synchronous opposite direction removal of two upper brackets guarantees the fixed of central point position.
Further, the side-moving pushing frame is of a U-shaped structure, a middle sliding insert is fixed in the middle of the side-moving pushing frame, the middle sliding insert and a groove at the top of the moving frame are slidably inserted, the side-moving pushing frame is used for switching positions through the middle sliding insert and the grooves at the top of the moving frame, the distance between two ends of the side-moving pushing frame and two ends of the concrete block is adjusted, and the lower part of the moving frame is in threaded connection with a side screw.
Further, the side screw rod is rotationally connected with the bending test seat, the lower end of the moving frame is horizontally and slidably connected with the bending test seat, the outside screw thread of the side screw rod drives the moving frame to move axially synchronously with the side moving pushing frame, the side moving pushing frame pulls the concrete square to move back and forth, and alignment of a front supporting point and a rear supporting point of the concrete square with the upper bracket is guaranteed.
Further, well backing roll head end and side lift rotate to be connected, well backing roll cylindric structure, side lift bottom and side cam frame top slip, and side cam frame is rectangular block structure, and side cam frame side sliding connection has the side limit bolt.
Further, the side lifting frame is vertically and slidably connected with the bending test seat, the lower end of the side cam frame is rotationally connected with the bending test seat, the side limiting bolt is slidably connected with the bending test seat, the side cam frame is vertical in steering, the side cam frame lifts the side lifting frame and the middle supporting roller upwards, the side limiting bolt and the bending test seat are slidably connected with the side cam frame in a locking mode, the angle of the side cam frame is locked in the vertical direction, the middle supporting roller and the side supporting roller are kept horizontal, and the concrete square is conveniently slid onto the other side supporting roller along the middle supporting roller through the side supporting roller.
The utility model at least comprises the following beneficial effects:
1. The upper bracket moves oppositely along the middle screw rod, and the opposite movement of the upper bracket ensures the fixation of the central point position, so that the process of center correction alignment is avoided.
2. The side-shifting pushing frame pulls the concrete square block to move back and forth, alignment of a front supporting point and a rear supporting point of the concrete square block and the upper bracket is guaranteed, and compared with the situation that a person manually pushes the concrete square block, the side-shifting pushing frame is smaller in error, and the person is not required to repeatedly manually push the concrete to align.
3. Well backing roll and side backing roll keep the level, make things convenient for the concrete square to slide to another side backing roll along well backing roll through side backing roll on, and the whole slip of concrete is placed more laborsaving, can the downward sloping after having removed the concrete anterior segment and having reached the bending test seat middle part from, needs personnel to assist to lift up the concrete, comparatively laborious when placing.
Drawings
FIG. 1 is a schematic view of the structure of the concrete block according to the utility model in a test.
Fig. 2 is a schematic structural view of the press body of the present utility model.
FIG. 3 is a schematic cross-sectional view of the bending test seat of the present utility model.
Fig. 4 is a schematic view of the structure of the middle supporting roller of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a press body; 101. a hydraulic lifting cylinder; 102. a pressure frame; 2. a bending test seat; 201. a middle screw; 202. an upper bracket; 203. a side support roller; 204. a side cover plate; 3. a side-shifting pushing frame; 301. a middle sliding plug block; 302. a moving rack; 303. a side screw; 4. a middle support roller; 401. a side lifting frame; 402. a side cam carrier; 403. and (5) a side limiting bolt.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one:
As shown in fig. 1 to 4:
The utility model provides a C50 commercial concrete flexural testing machine, which comprises a press body 1, wherein a hydraulic lifting cylinder 101 is fixed at the upper part of the press body 1, the upper end of a telescopic rod of the hydraulic lifting cylinder 101 is fixedly connected with a pressure frame 102, a hydraulic pump is arranged in the press body 1 to support the telescopic rod of the hydraulic lifting cylinder 101, a flexural test seat 2 is fixed at the middle part of the press body 1, a middle screw 201 is rotated at the middle part of the flexural test seat 2, sliding grooves are arranged at two sides of the upper part of the flexural test seat 2 and horizontally slide with an upper bracket 202, a side supporting roller 203 is rotated at the top of the upper bracket 202, and a side cover 204 is fixed on the side surface of a side cover 204;
The lateral movement pushing frame 3 is arranged on the outer side of the upper portion of the bending test seat 2, the lateral movement pushing frame 3 is of a U-shaped structure, a middle sliding insertion block 301 is fixed in the middle of the lateral movement pushing frame 3, the middle sliding insertion block 301 and a groove at the top of the moving frame 302 are in sliding insertion, the lateral movement pushing frame 3 is switched through the middle sliding insertion block 301 and a plurality of grooves at the top of the moving frame 302, the distance between two ends of the lateral movement pushing frame 3 and two ends of a concrete square block is adjusted, the lower portion of the moving frame 302 is in threaded connection with a side screw 303, a middle supporting roller 4 is arranged above the middle of the bending test seat 2, the head end of the middle supporting roller 4 is in rotary connection with a side lifting frame 401, the bottom of the side lifting frame 401 and the top of the side cam frame 402 are in a rectangular block structure, and the side limiting bolts 403 are in sliding connection with the side of the side cam frame 402.
The side cover plates 204 cover the upper parts of the sliding grooves on two sides of the upper bracket 202, the side cover plates 204 cover the middle screw rods 201, concrete is prevented from entering the sliding grooves on two sides of the upper bracket 202 at random, fragments are prevented from adhering to the outer threads of the middle screw rods 201, the lower parts of the upper bracket 202 are in threaded connection with the threads on two ends of the middle screw rods 201, the upper bracket 202 axially moves along the outer threads of the middle screw rods 201, the upper brackets 202 on two ends of the middle screw rods 201 move in opposite directions, the synchronous opposite movement of the two upper brackets 202 ensures the fixation of central points, and the process of aligning the centers of the two upper brackets 202 is omitted.
The side screw 303 is rotationally connected with the bending test seat 2, the lower end of the moving frame 302 is horizontally and slidably connected with the bending test seat 2, external threads of the side screw 303 drive the moving frame 302 and the side moving pushing frame 3 to axially move synchronously, the side moving pushing frame 3 pulls the concrete square block to move back and forth, alignment of a front supporting point and a rear supporting point of the concrete square block with the upper bracket 202 is guaranteed, errors caused by manual pushing of personnel are smaller, and the situation that personnel repeatedly push the concrete square block to align the supporting point is avoided.
The side lifting frame 401 is vertically and slidably connected with the bending test seat 2, the lower end of the side cam frame 402 is rotationally connected with the bending test seat 2, the side limiting bolt 403 is slidably connected with the bending test seat 2, the side cam frame 402 is vertically turned, the side lifting frame 401 and the middle supporting roller 4 are upwards lifted by the side cam frame 402, the side limiting bolt 403 and the bending test seat 2 are slidably connected with the side cam frame 402 to keep the angle lock of the side cam frame 402 vertical, the middle supporting roller 4 and the side supporting roller 203 are kept horizontal, a concrete square is conveniently slid onto the other side supporting roller 203 along the middle supporting roller 4 through the side supporting roller 203, and the concrete square is placed in a more labor-saving manner through whole-course sliding without auxiliary lifting of personnel.
In another embodiment, the bending test seat 2 may be further connected to the press body 1 through a sliding rail, the bending test seat 2 slides to the outer side of the press body 1 through the sliding rail, after the bending test seat 2 slides to the outer side of the press body 1, the press frame 102 is no longer above the bending test seat 2, so as to enhance the safety of placing concrete blocks on top of the bending test seat 2, and avoid the operation of arms by personnel under the press frame 102.
Specific use and action of the embodiment:
In the utility model, when the C50 commodity concrete is used, a part of C50 commodity concrete is also collected and formed into a rectangular concrete square structure with a specified size in a mould, after the concrete square is cured, the concrete square manufactured by the C50 commodity concrete is subjected to a bending test, the positions of bending supporting points on two sides of the concrete square are determined, the positions of the bending supporting points on two sides of the concrete are contacted with one side supporting roller 203, the middle part of the concrete square is suspended, the upper bracket 202 and the side supporting rollers 203 synchronously move, when the positions of the side supporting rollers 203 are required to be adjusted and the bending supporting points on two sides are aligned, the upper bracket 202 axially moves along the external threads of the middle screw 201 through rotating the middle screw 201, the upper brackets 202 at two ends of the middle screw 201 move oppositely, the synchronous opposite movement of the upper brackets 202 moves to the bending supporting points of the concrete square, the central point is fixed, the process of aligning the centers of the two upper brackets 202 is omitted, and only the concrete square is required;
The concrete square needs to move back and forth and align with the side supporting roller 203, the side screw 303 continues to rotate, the outside screw threads of the side screw 303 drive the movable frame 302 and the side movable pushing frame 3 to move axially synchronously, the side movable pushing frame 3 pulls the concrete square to move back and forth, the alignment of a front supporting point and a rear supporting point of the concrete square and the upper bracket 202 is guaranteed, compared with the situation that a person manually pushes the concrete square to align, the situation that the person does not need to push the concrete square manually repeatedly is avoided, the side movable pushing frame 3 switches positions through the middle sliding insert 301 and a plurality of grooves at the top of the movable frame 302, the side movable pushing frame 3 is suitable for concrete square with longer or shorter length, the movement range of the side screw 303 screw thread guide movable frame 302 is smaller, the situation that the side movable pushing frame 3 is more accurate, and certain debugging is omitted;
In the process of placing the concrete square on the upper part of the bending test seat 2, the bottom of the concrete square is attached to the side supporting roller 203, the side supporting roller 203 rotates along with the movement of the concrete square, the side cam frame 402 turns to be vertical, the side cam frame 402 lifts the side lifting frame 401 and the middle supporting roller 4 upwards, the side limiting bolt 403 and the bending test seat 2 are slidably inserted to keep the angle of the side cam frame 402 locked to be vertical, the middle supporting roller 4 and the side supporting roller 203 are kept horizontal, the concrete square is conveniently slid onto the other side supporting roller 203 along the middle supporting roller 4 through the side supporting roller 203, the whole-process sliding placement of the concrete is more labor-saving, the middle supporting roller 4 and the side supporting roller 203 are all supported in the moving process of the concrete square, the condition that people hold the concrete square is not needed, the condition that the front section of the concrete square is suspended by the middle supporting roller 4 is avoided, the front section of the concrete square is inclined downwards because the middle section lacks support, the front section of the concrete square is lower than the other middle supporting roller 4, and people are required to assist to move the front section of the concrete square to move upwards to the top of the middle supporting roller 4, and the concrete square is more labor-saving in placing process;
After the concrete square is installed, the side limiting bolt 403 and the bending test seat 2 are separated, the side cam frame 402 rotates to be horizontal, the middle supporting roller 4 and the side lifting frame 401 synchronously move downwards, the middle supporting roller 4 is not in contact with the bottom of the concrete square, the middle supporting roller 4 is spaced from the bottom of the concrete square, the hydraulic lifting cylinder 101 is driven by the hydraulic pump inside the pressure body 1 to be shortened, the pressure frame 102 is driven by the hydraulic lifting cylinder 101 to descend, the pressure frame 102 descends to be in contact with the top of the concrete square, continuous downward pressure is generated on the concrete square by the pressure body 1 through the pressure frame 102, a numerical display panel is arranged on the upper part of the pressure body 1, the pressure frame 102 is positioned in the middle of the concrete square, and the pressure frame 102 continuously applies force to press the concrete square to be broken, so that the strength at the moment is the bending strength of the concrete.
Claims (7)
1. A C50 commercial concrete flexural testing machine is characterized in that: c50 commodity concrete bending test machine includes pressure organism (1), pressure organism (1) middle part is fixed with bending test seat (2), and bending test seat (2) upper portion is provided with side and moves pushing away frame (3), and bending test seat (2) middle part top is provided with well backing roll (4), and bending test seat (2) middle part rotates has well screw rod (201), and bending test seat (2) upper portion both sides all set up spout horizontal slip and have upper bracket (202), and upper bracket (202) top rotation has side backing roll (203), and side cap (204) side face is fixed with side cap (204).
2. The C50 commercial concrete flexural testing machine according to claim 1, wherein a hydraulic lifting cylinder (101) is fixed on the upper part of the press body (1), and the upper end of a telescopic rod of the hydraulic lifting cylinder (101) is fixedly connected with a pressure frame (102).
3. The C50 commodity concrete flexural testing machine according to claim 2, wherein said side cover plates (204) cover the upper side of the sliding grooves on both sides of the upper bracket (202), and the lower part of the upper bracket (202) is screwed with the middle screw (201).
4. The C50 commercial concrete flexural testing machine according to claim 1, wherein a middle sliding block (301) is fixed in the middle of the side moving pushing frame (3), the middle sliding block (301) is slidably inserted into a groove at the top of the moving frame (302), and the lower part of the moving frame (302) is in threaded connection with a side screw (303).
5. A C50 commodity concrete bending test machine according to claim 4, wherein said side screw (303) is rotatably connected to said bending test seat (2), and the lower end of said movable frame (302) is horizontally slidably connected to said bending test seat (2).
6. The C50 commercial concrete flexural testing machine according to claim 1, wherein the head end of the middle supporting roller (4) is rotatably connected with the side lifting frame (401), the bottom of the side lifting frame (401) slides with the top end of the side cam frame (402), and the side limiting bolt (403) is slidingly connected with the side of the side cam frame (402).
7. The C50 commercial concrete flexural testing machine as claimed in claim 6, wherein the side lifting frame (401) is vertically and slidably connected with the flexural testing seat (2), the lower end of the side cam frame (402) is rotatably connected with the flexural testing seat (2), and the side limiting bolt (403) is slidably connected with the flexural testing seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322704187.0U CN220872263U (en) | 2023-10-09 | 2023-10-09 | C50 commodity concrete bending test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322704187.0U CN220872263U (en) | 2023-10-09 | 2023-10-09 | C50 commodity concrete bending test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220872263U true CN220872263U (en) | 2024-04-30 |
Family
ID=90816036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322704187.0U Active CN220872263U (en) | 2023-10-09 | 2023-10-09 | C50 commodity concrete bending test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220872263U (en) |
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2023
- 2023-10-09 CN CN202322704187.0U patent/CN220872263U/en active Active
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