Concrete compression test press machine with replaceable pressure head
By introducing a drive motor and gear transmission system into the concrete press, the disassembly and installation of the pressure head are automated, solving the problems of pressure head wear affecting test accuracy and cumbersome replacement, and improving operational safety and efficiency.
Patent Information
- Application Number
- CN202520030645.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The wear and tear on the indenter of a concrete press during use causes changes in its shape and size, affecting the accuracy of test results. Furthermore, the replacement process is cumbersome and dangerous.
It adopts a structure including a drive motor, lifting plate, moving plate, and rotating plate, and realizes automated disassembly and installation of the pressure head through a gear transmission system. This simplifies the replacement process. The automated operation of the hydraulic output end facilitates the installation process and makes it easy to disassemble and install the pressure head.
It enables convenient disassembly and installation of the pressure head, avoiding the danger of manual lifting and improving the safety and efficiency of operation.
Smart Images

Figure CN223756506U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a press machine technical field, concretely relates to a replaceable concrete compression test press. BACKGROUND
[0002] The concrete compression test press is an important test equipment, which is mainly used for testing the compression strength of test blocks of building materials such as concrete, cement, high-strength brick and refractory material, and can also be used for testing the compression strength of other non-metallic materials.
[0003] During the use of the concrete compression test press, the press head will be gradually worn due to friction with the test piece, resulting in changes in its shape and size, thereby affecting the accuracy of the test results, so the press head needs to be replaced in time after the press is used for a period of time. Since the press head of the concrete compression test press has a certain weight, a special staff is needed to hold it during replacement, and the installation hole also needs to be rotated to the corresponding position, so the replacement is relatively cumbersome. UTILITY MODEL CONTENT
[0004] The utility model aims at the deficiencies of the prior art, and provides a replaceable concrete compression test press to solve the problems in the background art.
[0005] To achieve this purpose, the utility model adopts the following technical scheme:
[0006] A replaceable concrete compression test press, comprising a press body, a lifting plate is slidably connected to the left side of the back of the press body, a recess is formed through the front surface of the lifting plate on the top surface of the lifting plate, a moving plate is slidably connected to the bottom inner wall of the recess, a circular recess is formed on the top surface of the moving plate, a rotating plate matched with the circular recess is rotatably connected to the circular recess, and a positioning frame is welded to the top surface of the moving plate.
[0007] As a preferred scheme of the replaceable concrete compression test press, a driving motor is fixedly installed on the left side of the top surface of the press body through bolts, and a fourth bevel gear is installed on the output end of the driving motor.
[0008] As a preferred scheme of the replaceable concrete compression test press, two support plates are welded to the top left side of the top surface of the press body and close to the back, a through hole is formed in the upper part of each support plate, a rotating shaft is rotatably connected to the through hole, and a second bevel gear is installed on each end of the rotating shaft.
[0009] As a kind of preferred solution of the replaceable pressure head concrete compression test press, the third bevel gear is installed on the outer ring of the middle part of the rotating shaft, and the fourth bevel gear installed on the output end of the driving motor is engaged with the third bevel gear.
[0010] As a kind of preferred solution of the replaceable pressure head concrete compression test press, the two threaded rods are rotatably connected to the top of the left side of the press body near the back, and the bottom ends of the threaded rods are rotatably connected to the inner wall of the bottom of the press body.
[0011] As a kind of preferred solution of the replaceable pressure head concrete compression test press, the top ends of the two threaded rods are each installed with a first bevel gear, and the two first bevel gears are each engaged with a second bevel gear installed on the two ends of the rotating shaft.
[0012] As a kind of preferred solution of the replaceable pressure head concrete compression test press, the hydraulic output end is provided on the top of the left side frame of the press body, and the press head is installed on the hydraulic output end through flanges and bolts.
[0013] The beneficial effects of the present utility model are as follows:
[0014] (1) The concrete compression test press of the present utility model is provided with a driving motor and a lifting plate, etc., and the driving motor is started to drive the rotating shaft to rotate through the fourth bevel gear and the third bevel gear, and then the threaded rods are driven to rotate through the second bevel gear and the first bevel gear, so that the lifting plate can be lifted to the height of the press head, and then the rotating plate on the moving plate can be pushed to be directly below the press head, so that the press head can be conveniently disassembled.
[0015] (2) The concrete compression test press of the present utility model is provided with a lifting plate, a moving plate and a rotating plate, etc., so that a new press head can be placed on the rotating plate, the lifting plate can be lifted to the height of the hydraulic output end, and the moving plate can be pushed to drive the rotating plate to move to be directly below the hydraulic output end, and then the rotating plate is rotated to align the mounting holes on the press head and the hydraulic output end, and the press head is installed on the hydraulic output end through bolts and nuts, so that the purpose of convenient installation is achieved, the operation is facilitated, and the situation that the corresponding staff needs to hold the press head with both hands is avoided, so that the danger is avoided to a certain extent. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.
[0017] Fig. 1 is the front structure schematic view of the concrete compression resistance test press of the utility model.
[0018] Fig. 2 is the back structure schematic view of the concrete compression resistance test press of the utility model.
[0019] Fig. 3 is the working principle schematic view of the concrete compression resistance test press when replacing the pressure head of the utility model.
[0020] In the drawing:
[0021] 1, press body; 2, lifting plate; 3, support plate; 4, threaded rod; 5, first bevel gear; 6, second bevel gear; 7, rotating shaft; 8, driving motor; 9, hydraulic output end; 10, press head; 11, rotating plate; 12, third bevel gear; 13, positioning frame; 14, moving plate; 15, fourth bevel gear. DETAILED DESCRIPTION
[0022] The technical scheme of the utility model will be further illustrated below in combination with the drawings and through specific embodiments.
[0023] Among them, the drawing is only used for example explanation, and the representation is only schematic diagram, and not physical drawing, and can not be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and not represent the size of actual product; for those skilled in the art, it is understandable that some well-known structures in the drawing and their description can be omitted.
[0024] The same or similar signs in the drawings of the embodiment of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the positional relationship of the terms in the drawing is only used for example explanation, and can not be understood as the limitation of the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.
[0025] In the description of the utility model, unless another definite provision and limitation, if the term "connection" and so on appears, it indicates the connecting relationship between components, the term should be understood in a broad sense, for example, it can be fixed connection, can also be detachable connection, or be integrated; it can be mechanical connection, can also be electrical connection; it can be directly connected, can also be indirectly connected through intermediate medium, can be the communication or mutual action relationship of two components. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.
[0026] As Figs. 1 to 3 The utility model provides a replaceable concrete compression test pressure machine of pressure head, including pressure machine body 1, pressure machine body 1 is located the left side sliding connection of back has lifting plate 2, can play the role of lifting, the top surface of lifting plate 2 is equipped with the recess of passing through the front of lifting plate 2, and the bottom inner wall of the recess is slidingly connected with moving plate 14, can move in lifting plate 2, the top surface of moving plate 14 is equipped with circular recess, and circular recess is rotatably connected with the rotating plate 11 matched with it, can place new pressure machine pressure head 10 on rotating plate 11, through the rotation of rotating plate 11, can make pressure machine pressure head 10 and the mounting hole on hydraulic output end 9 align, the top surface of moving plate 14 is welded with positioning frame 13 still, can position the new pressure machine pressure head 10 to be replaced.
[0027] In the embodiment, the top surface left side of pressure machine body 1 is fixedly installed with driving motor 8 through bolt, and the output end of driving motor 8 is installed with fourth bevel gear 15, the top surface left side top surface of pressure machine body 1 and the side close to back are welded with two support plates 3, and the upper portion of two support plates 3 is equipped with through-hole, and the through-hole is rotatably connected with the shaft 7, the both ends of shaft 7 are installed with second bevel gear 6, the middle outer ring of shaft 7 is installed with third bevel gear 12, and third bevel gear 12 is engaged with the fourth bevel gear 15 of the output end of driving motor 8, can be driven by starting driving motor 8, can drive shaft 7 to rotate by fourth bevel gear 15 and third bevel gear 12.
[0028] In the embodiment, the top of the left side and the back of pressure machine body 1 is rotatably connected with two threaded rods 4 passing through both sides of lifting plate 2, by the thread direction setting on threaded rod 4, can make lifting plate 2 lift when threaded rod 4 rotates, and the bottom end of threaded rod 4 is rotatably connected with the bottom inner wall of pressure machine body 1, the top end of two threaded rods 4 is installed with first bevel gear 5, and two first bevel gears 5 are engaged with second bevel gear 6 installed on both ends of shaft 7 respectively, can drive threaded rod 4 to rotate by second bevel gear 6 and first bevel gear 5, the left side frame of pressure machine body 1 is provided with hydraulic output end 9, and pressure machine pressure head 10 is installed on hydraulic output end 9 through flange and bolt.
[0029] The working principle and use process of the utility model:
[0030] The replaceable head's concrete compression test press, if the press head 10 of the press body 1 is replaced, the drive motor 8 can be started at the moment, the rotating shaft 7 can be driven to rotate through the fourth bevel gear 15 and the third bevel gear 12, and then the threaded rod 4 can be driven to rotate through the second bevel gear 6 and the first bevel gear 5, the lifting plate 2 can be lifted to the height of the press head 10, the rotating plate 11 on the moving plate 14 can be pushed to the directly below the press head 10 at the moment, the press head 10 can be conveniently disassembled, after the press head 10 is disassembled, the moving plate 14 can be pushed into the lifting plate 2, the lifting plate 2 can be lowered through the drive motor 8, the disassembled press head 10 is replaced with new one, the lifting plate 2 can be lifted to the height of the hydraulic output end 9 again, the moving plate 14 can be pushed, the moving plate 14 can drive the rotating plate 11 to move to the directly below the hydraulic output end 9, the rotating plate 11 can be rotated, the mounting hole on the rotating plate 11 and the hydraulic output end 9 is aligned, the press head 10 is mounted on the hydraulic output end 9 through the bolt and the nut, the purpose of convenient installation is realized, the operation is convenient, the situation that the corresponding staff needs to hold by both hands is avoided when the press head 10 is replaced, the danger is avoided to a certain extent.
[0031] It should be stated that the above specific embodiments are only the preferred embodiments of the utility model and the applied technical principles. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the utility model. However, as long as these changes do not deviate from the spirit of the utility model, they should be within the protection scope of the utility model. In addition, some terms used in the application specification and claims are not limited, but only for the convenience of description.
Claims
1. A replaceable ram concrete compression test press characterized by, Including the press body (1), the left side of the back is slidably connected with the lifting plate (2), the top surface of the lifting plate (2) is provided with a groove penetrating the front surface of the lifting plate (2), and the bottom inner wall of the groove is slidably connected with the moving plate (14), the top surface of the moving plate (14) is provided with a circular groove, and the circular groove is rotatably connected with the rotating plate (11) matched therewith, and the top surface of the moving plate (14) is also welded with the positioning frame (13).
2. The replaceable ram concrete compression test press of claim 1 wherein, The top surface of the left side of the press body (1) is fixedly installed with a driving motor (8) through bolts, and the output end of the driving motor (8) is installed with a fourth bevel gear (15).
3. The replaceable ram concrete compression test press of claim 1 wherein, The top surface of the left side of the top of the press body (1) and the side close to the back is welded with two supporting plates (3), and the upper part of the two supporting plates (3) is provided with a through hole, and the through hole is rotatably connected with the rotating shaft (7), and the both ends of the rotating shaft (7) are installed with the second bevel gear (6).
4. The replaceable ram concrete compression test press of claim 3 wherein, The middle part of the rotating shaft (7) is installed with the third bevel gear (12), and the third bevel gear (12) is engaged with the fourth bevel gear (15) installed at the output end of the driving motor (8).
5. The replaceable nose concrete compression test press of claim 1 wherein, The left side of the press body (1) and the top close to the back are rotatably connected with two threaded rods (4) penetrating the two sides of the lifting plate (2), and the bottom end of the threaded rod (4) is rotatably connected with the bottom inner wall of the press body (1).
6. The replaceable ram concrete compression test press of claim 5 wherein, The top end of the two threaded rods (4) is installed with the first bevel gear (5), and the two first bevel gears (5) are respectively engaged with the second bevel gears (6) installed at the both ends of the rotating shaft (7).
7. The replaceable nose concrete compression test press of claim 1 wherein, The left side frame of the press body (1) is provided with a hydraulic output end (9), and the press head (10) is installed on the hydraulic output end (9) through flanges and bolts.