An easy-to-assemble double-frame hydraulic press frame and installation method

Abstract

The present invention discloses an easy-to-assemble double-frame hydraulic press frame and an installation method. The easy-to-assemble double-frame hydraulic press frame comprises a first frame, a second frame, a first support foot boss, a second support foot boss, a first support foot, a second support foot, a first small screw and a second small screw. The first support foot boss is fixed to the left and right sides of the lower beam of the first frame, the second support foot boss is fixed to the left and right sides of the lower beam of the second frame, the first support foot is fixed to the lower end of the first support foot boss, the second support foot is fixed to the lower end of the second support foot boss, and a plurality of the first small screws and a plurality of the second small screws penetrate the first frame and the second frame and are locked by a locking member. The present invention reduces the on-site assembly cost, shortens the installation time, improves the installation efficiency, and when installing the small screw, no specially designed hydraulic tensioner is required to assist, so the installation is more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic press frames, and in particular to an easily assembled double-frame hydraulic press frame and an installation method. Background Art

[0002] As ceramic hydraulic presses develop towards super-large scale, ceramic hydraulic presses with a capacity of over 10,000 tons have become mainstream hot-selling products. However, ceramic hydraulic presses with a capacity of over 10,000 tons generally weigh over 200 to 300 tons, which makes transportation and hoisting difficult and costly. Due to the limitations of road and bridge traffic and hoisting equipment, such heavy machines cannot be transported as a whole. The double-frame frame structure has become the mainstream structure of super-large hydraulic press frames because it can be disassembled for transportation.

[0003] At present, there are two types of known double-frame frame structures: the first type is to assemble the first frame and the second frame into one piece in a laid-down state and then flip and lift the entire frame onto the hydraulic press. However, after the assembly is completed, this structure requires a large-tonnage lifting equipment to flip and lift the entire frame in a laid-down state, which greatly increases the lifting cost, and this assembly and lifting method is limited by the site space; the second type is to adopt a vertical assembly method, but when transporting this structure, auxiliary temporary supports must be installed for the first frame and the second frame for on-site frame rotation and lifting, which increases the installation cost.

[0004] In addition, the first frame and the second frame of the above two double-frame racks are pre-tightened by large screws and large nuts, so that the first frame and the second frame are assembled into one. The pre-tightening force required for this combination of large screws and large nuts is often as high as several hundred tons. When pre-tightening the nuts, a specially designed hydraulic tensioner needs to be used, which increases the difficulty and cost of installation. Summary of the invention

[0005] The purpose of the present invention is to provide an easy-to-assemble double-frame hydraulic press frame and an installation method, which solves the problem that the double-frame frame is difficult to assemble and has high requirements for lifting equipment, effectively reduces the on-site assembly cost, shortens the installation time, and when installing a small screw, does not require the assistance of a specially designed hydraulic tensioner, making installation more convenient.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] An easily assembled double-frame hydraulic press frame comprises a first frame and a second frame, wherein the first frame comprises a first upper beam and a first lower beam, the second frame comprises a second upper beam and a second lower beam, and further comprises a first support foot boss, a second support foot boss, a first support foot, a second support foot, a first small screw, a second small screw, a locking member, an upper positioning key and a lower positioning key;

[0008] The first frame and the second frame are arranged opposite to each other in left and right directions, four first leg bosses are fixed to the left and right sides of the first lower beam in pairs, four second leg bosses are fixed to the left and right sides of the second lower beam in pairs, two first legs are fixed to the lower ends of the four first leg bosses in front and back directions, two second legs are fixed to the lower ends of the four second leg bosses in front and back directions, and the bottom of the first leg and the bottom of the second leg are on the same horizontal plane;

[0009] An upper boss is respectively provided on the right side of the first upper beam and the left side of the second upper beam, and a lower boss is respectively provided on the right side of the first lower beam and the left side of the second lower beam, the upper boss and the lower boss are arranged opposite to each other up and down, the two upper bosses are oppositely provided with a first positioning groove, the two lower bosses are oppositely provided with a second positioning groove, the upper positioning key is simultaneously engaged with the first positioning grooves of the two upper bosses, and the lower positioning key is simultaneously engaged with the second positioning grooves of the two lower bosses;

[0010] Multiple first small screws pass through the first upper beam and the second upper beam, and the two ends of the first small screws are locked by a locking member. Multiple second small screws pass through the first lower beam and the second lower beam, and the two ends of the second small screws are locked by a locking member.

[0011] Preferably, the first small screw passes through the upper positioning key, and the second small screw passes through the lower positioning key.

[0012] Preferably, the first positioning groove of the upper boss is arranged close to the bottom end of the first upper beam or the second upper beam.

[0013] Preferably, the second positioning groove of the lower boss is arranged close to the top end of the first lower beam or the second lower beam.

[0014] Preferably, the first support leg is fixed to the bottom end of the first support leg boss by bolt locking, and the second support leg is fixed to the bottom end of the second support leg boss by bolt locking.

[0015] Preferably, the left and right ends of the first support leg are both provided with a first empty slot, the left and right ends of the second support leg are both provided with a second empty slot, bolts fix the first support leg to the bottom end of the first support leg boss through the first empty slot, and other bolts fix the second support leg to the bottom end of the second support leg boss through the second empty slot.

[0016] Preferably, the horizontal plane of the bottom end of the first lower beam is arranged above the horizontal plane of the bottom end of the first supporting leg.

[0017] Preferably, the plurality of the first small screws and the plurality of the second small screws are uniformly distributed in a concentric circle shape or a honeycomb shape.

[0018] Preferably, the number of the upper positioning keys is two, and the two upper positioning keys are arranged front to back oppositely, and the number of the lower positioning keys is two, and the two lower positioning keys are arranged front to back oppositely.

[0019] A method for installing the above-mentioned easy-to-assemble double-frame hydraulic press frame comprises the following steps:

[0020] S10, laying down the first frame horizontally;

[0021] S20, inserting one end of the upper positioning key into the first positioning groove of the upper boss of the first frame, and inserting one end of the lower positioning key into the second positioning groove of the lower boss of the first frame;

[0022] S30, the two first legs are fixed to the first leg boss by bolts;

[0023] The step 20 and the step 30 are not in any particular order;

[0024] S40, lifting the first frame by a crane, and then vertically placing it at an installation position;

[0025] S50, laying down the second frame horizontally, and fixing the two second legs to the second leg bosses by means of bolts;

[0026] S60, lifting the second frame by a crane, and then inserting the other end of the upper positioning key into the first positioning groove of the upper boss of the second frame, and inserting the other end of the lower positioning key into the second positioning groove of the lower boss of the second frame, and placing the frame vertically;

[0027] S70, installing the first small screw and the second small screw, and locking them with a locking member.

[0028] The easy-to-assemble double-frame hydraulic press frame solves the problem that the existing double-frame frame is difficult to assemble on site and has high requirements for lifting equipment, reduces the cost of on-site assembly, shortens the installation time, and improves the installation efficiency. The first frame is independently provided with a first support leg, and the second frame is independently provided with a second support leg, so that flip lifting can be easily achieved, and the first frame and the second frame can be independently assembled vertically, which reduces the tonnage requirements for lifting equipment and better adapts to various conditions where space is limited.

[0029] In addition, the upper positioning key and the lower positioning key are mainly used to improve the overall anti-eccentric load capacity of the double-frame hydraulic press frame to prevent the first frame and the second frame from being misaligned and offset during operation. The first frame and the second frame are assembled into an integral structure by locking the first and second small screws in cooperation with the locking members, which can reduce the difficulty of pre-tightening the locking members. The locking members can be pre-tightened using ordinary wrenches or hydraulic wrenches without the need for special hydraulic stretchers, effectively reducing installation costs and time. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings further illustrate the present invention, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0031] Figure 1 It is a structural schematic diagram of an easily assembled double-frame hydraulic press frame of one embodiment of the present invention;

[0032] Figure 2 It is a left side view of an easily assembled double-frame hydraulic press frame of one embodiment of the present invention;

[0033] Figure 3 It is a partial enlarged view of the left side view of the frame of the easily assembled double-frame hydraulic press of one embodiment of the present invention;

[0034] Among them: first frame 1; second frame 2; first upper beam 11; first lower beam 13; upper boss 14; lower boss 15; second upper beam 21; second lower beam 23; first support foot boss 31; second support foot boss 32; first support foot 41; first empty slot 411; second support foot 42; second empty slot 421; first small screw 51; second small screw 52; locking piece 6; upper positioning key 71; lower positioning key 72; first positioning groove 81; second positioning groove 82. DETAILED DESCRIPTION

[0035] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0036] The easily assembled double-frame hydraulic press frame of this embodiment is as follows: Figures 1 to 3 As shown, it includes a first frame 1 and a second frame 2, the first frame 1 includes a first upper beam 11 and a first lower beam 13, the second frame 2 includes a second upper beam 21 and a second lower beam 23, and also includes a first support foot boss 31, a second support foot boss 32, a first support foot 41, a second support foot 42, a first small screw 51, a second small screw 52, ​​a locking member 6, an upper positioning key 71 and a lower positioning key 72;

[0037] The first frame 1 and the second frame 2 are arranged opposite to each other in left and right directions, the four first support leg bosses 31 are fixed to the left and right sides of the first lower beam 13 in pairs, the four second support leg bosses 32 are fixed to the left and right sides of the second lower beam 23 in pairs, the two first support legs 41 are fixed to the lower ends of the four first support leg bosses 31 in front and back directions, the two second support legs 42 are fixed to the lower ends of the four second support leg bosses 32 in front and back directions, and the bottom of the first support leg 41 and the bottom of the second support leg 42 are on the same horizontal plane;

[0038] An upper boss 14 is provided on the right side of the first upper beam 11 and on the left side of the second upper beam 21, respectively. A lower boss 15 is provided on the right side of the first lower beam 13 and on the left side of the second lower beam 23, respectively. The upper boss 14 and the lower boss 15 are arranged opposite to each other up and down. The two upper bosses 14 are oppositely provided with first positioning grooves 81, and the two lower bosses 15 are oppositely provided with second positioning grooves 82. The upper positioning key 71 is simultaneously engaged with the first positioning grooves 81 of the two upper bosses 14, and the lower positioning key 72 is simultaneously engaged with the second positioning grooves 82 of the two lower bosses 15.

[0039] Multiple first small screws 51 pass through the first upper beam 11 and the second upper beam 21, and the two ends of the first small screws 51 are locked by the locking piece 6. Multiple second small screws 52 pass through the first lower beam 13 and the second lower beam 23, and the two ends of the second small screws 52 are locked by the locking piece 6.

[0040] The easy-to-assemble double-frame hydraulic press frame solves the problem that the existing double-frame frame is difficult to assemble on site and has high requirements for lifting equipment, reduces the on-site assembly cost, shortens the installation time, and improves the installation efficiency. The first frame 1 is independently provided with a first support leg 41, and the second frame 2 is independently provided with a second support leg 42, so that flip lifting can be easily achieved, and the first frame 1 and the second frame 2 can be independently assembled vertically, which reduces the tonnage requirements for the lifting equipment and better adapts to various conditions where the space is limited.

[0041] In addition, the upper positioning key 71 and the lower positioning key 72 are mainly used to improve the overall anti-eccentric load capability of the double-frame hydraulic press frame to prevent the first frame 1 and the second frame 2 from being misaligned or offset during operation. The first frame 1 and the second frame 2 are assembled into an integral structure by locking the first small screws 51 and the second small screws 52 in cooperation with the locking member 6, which can reduce the difficulty of pre-tightening the locking member 6. An ordinary wrench or a hydraulic wrench can be used to pre-tighten the locking member 6 without the need for a special hydraulic stretcher, thereby effectively reducing installation costs and time.

[0042] Preferably, if Figure 1 As shown, the first supporting foot boss 31 and the second supporting foot boss 32 are on the same horizontal plane.

[0043] Preferably, if Figure 2 As shown, the first small screw 51 passes through the upper positioning key 71 , and the second small screw 52 passes through the lower positioning key 72 .

[0044] If the first small screw 51 is arranged outside the upper positioning key 71 and the second small screw 52 is arranged outside the lower positioning key 72, the upper boss 14 and the lower boss 15 also need to reserve corresponding arrangement space, which increases the area of ​​the upper boss 14 and the lower boss 15. Therefore, the design of the first small screw 51 passing through the upper positioning key 71 and the second small screw 52 passing through the lower positioning key 72, while meeting the anti-eccentric load capacity of the first frame 1 and the second frame 2, also reduces the arrangement area of ​​the first boss 14 and the second boss 15, thereby reducing the weight of the easy-to-assemble double-frame hydraulic press frame.

[0045] Preferably, if Figure 1 , Figure 2 As shown, the first positioning groove 81 of the upper boss 14 is disposed close to the bottom end of the first upper beam 11 or the second upper beam 21 .

[0046] During the operation of the hydraulic press, the reaction force of pressing the brick blanks mainly acts on the upper beams and lower beams of the first frame 1 and the second frame 2. The first positioning groove 81 of the upper boss 14 is arranged close to the bottom end of the first upper beam 11 or the second upper beam 21, so that the upper positioning key 71 is arranged at a position closer to the reaction force, which is beneficial to improving the mechanical properties of the first frame 1 and the second frame 2.

[0047] Preferably, if Figure 1 , Figure 2 As shown, the second positioning groove 82 of the lower boss 15 is disposed close to the top end of the first lower beam 13 or the second lower beam 23 .

[0048] During the operation of the hydraulic press, the reaction force of pressing the brick blanks mainly acts on the upper beam and the lower beam of the first frame 1 and the second frame 2. The second positioning groove 82 of the lower boss 15 is arranged close to the top of the first lower beam 13 or the second lower beam 23, so that the lower positioning key 72 is arranged at a position closer to the reaction force, which is beneficial to improving the mechanical properties of the first frame 1 and the second frame 2.

[0049] Preferably, if Figure 1 As shown, the first support leg 41 is fixed to the bottom end of the first support leg boss 31 by bolts, and the second support leg 42 is fixed to the bottom end of the second support leg boss 41 by bolts.

[0050] The first support leg 41 and the second support leg 42 are detachably assembled and locked by bolts, which effectively reduces the weight of the first frame 1 and the second frame 2, facilitates disassembly and transportation, and can also reduce the required tonnage of the lifting equipment and reduce the lifting cost.

[0051] Preferably, if Figure 1As shown, the left and right ends of the first support leg 41 are each provided with a first empty slot 411, and the left and right ends of the second support leg 42 are each provided with a second empty slot 421. Bolts fix the first support leg 41 to the bottom end of the first support leg boss 31 through the first empty slot 411, and other bolts fix the second support leg 42 to the bottom end of the second support leg boss 32 through the second empty slot 421.

[0052] The first frame 1 and the second frame 2 are assembled vertically, and the first empty slot 411 and the second empty slot 421 provide space for the operator to lock the nut, which makes the operation more convenient and can also reduce the weight of the first support leg 41 and the second support leg 42.

[0053] Preferably, if Figure 1 As shown, the horizontal plane of the bottom end of the first lower beam 13 is arranged above the horizontal plane of the bottom end of the first supporting leg 41 .

[0054] The higher the center of gravity of the first frame 1 and the second frame 2 is after installation, the more unstable it is. Therefore, try to ensure that the horizontal plane of the bottom end of the first lower beam 13 is close to the horizontal plane of the bottom end of the first leg 41. In addition, the distance between the first leg 41 and the second leg 42 should not be too small or too large. If the distance is too small, the first empty slot 411 and the second empty slot 421 will be too small, making it impossible to install bolts and inconvenient to operate; if the distance is too large, the height of the first leg 41 and the second leg 42 needs to be increased, thereby increasing the manufacturing cost.

[0055] Preferably, if Figure 1 As shown, the plurality of first small screws 51 and the plurality of second small screws 52 are uniformly distributed in the shape of concentric circles or honeycombs.

[0056] The first small screw 51 and the second small screw 52 are arranged in a concentric circle or honeycomb shape, so that the pre-tightening force of the first frame 1 and the second frame 2 is evenly distributed on each small screw, greatly reducing the pre-tightening force of a single small screw.

[0057] Preferably, if Figure 1 As shown, the number of the upper positioning keys 71 is two, and the two upper positioning keys 71 are arranged opposite to each other front and back, and the number of the lower positioning keys 72 is two, and the two lower positioning keys 72 are arranged opposite to each other front and back.

[0058] This arrangement allows the first frame 1 and the second frame 2 to fit tightly together, which can not only meet the requirements for the anti-eccentric load capacity of the first frame 1 and the second frame 2, but also ensure uniform force.

[0059] A method for installing the above-mentioned easy-to-assemble double-frame hydraulic press frame comprises the following steps:

[0060] S10, laying down the first frame 1 horizontally;

[0061] S20, inserting one end of the upper positioning key 71 into the first positioning groove 81 of the upper boss 14 of the first frame 1, and inserting one end of the lower positioning key 72 into the second positioning groove 82 of the lower boss 15 of the first frame 1;

[0062] S30, the two first legs 41 are fixed to the first leg boss 31 by bolts;

[0063] The step 20 and the step 30 are not in any particular order;

[0064] S40, lifting the first frame 1 by a crane, and then vertically placing it at an installation position;

[0065] S50, laying down the second frame 2 horizontally, and fixing the two second legs 42 to the second leg bosses 32 by bolts;

[0066] S60, lift the second frame 2 by a crane, then insert the other end of the upper positioning key 71 into the first positioning groove 81 of the upper boss 14 of the second frame 2, and insert the other end of the lower positioning key 72 into the second positioning groove 82 of the lower boss 15 of the second frame 2 to place the frame vertically;

[0067] S70 , installing the first small screw 51 and the second small screw 52 , and locking them with the locking member 6 .

[0068] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. An easily assembled double-frame hydraulic press frame, comprising a first frame and a second frame, wherein the first frame comprises a first upper beam and a first lower beam, and the second frame comprises a second upper beam and a second lower beam, characterized in that: It also includes a first foot boss, a second foot boss, a first foot, a second foot, a first small screw, a second small screw, a locking member, an upper positioning key and a lower positioning key; The first frame and the second frame are arranged opposite to each other in left and right directions, four first leg bosses are fixed to the left and right sides of the first lower beam in pairs, four second leg bosses are fixed to the left and right sides of the second lower beam in pairs, two first legs are fixed to the lower ends of the four first leg bosses in front and back directions, two second legs are fixed to the lower ends of the four second leg bosses in front and back directions, and the bottom of the first leg and the bottom of the second leg are on the same horizontal plane; An upper boss is respectively provided on the right side of the first upper beam and the left side of the second upper beam, and a lower boss is respectively provided on the right side of the first lower beam and the left side of the second lower beam, the upper boss and the lower boss are arranged opposite to each other up and down, the two upper bosses are oppositely provided with a first positioning groove, the two lower bosses are oppositely provided with a second positioning groove, the upper positioning key is simultaneously engaged with the first positioning grooves of the two upper bosses, and the lower positioning key is simultaneously engaged with the second positioning grooves of the two lower bosses; A plurality of the first small screws pass through the first upper beam and the second upper beam, and two ends of the first small screws are locked by a locking member; a plurality of the second small screws pass through the first lower beam and the second lower beam, and two ends of the second small screws are locked by a locking member; The first small screw passes through the upper positioning key, and the second small screw passes through the lower positioning key; The first positioning groove of the upper boss is arranged near the bottom end of the first upper beam or the second upper beam; The second positioning groove of the lower boss is arranged near the top end of the first lower beam or the second lower beam; The plurality of the first small screws and the plurality of the second small screws are uniformly distributed in the shape of concentric circles or honeycombs.

2. The easily assembled double-frame hydraulic press frame according to claim 1 is characterized in that: The first support leg is fixed to the bottom end of the first support leg boss by bolt locking, and the second support leg is fixed to the bottom end of the second support leg boss by bolt locking.

3. The easily assembled double-frame hydraulic press frame according to claim 2 is characterized in that: The left and right ends of the first support leg are both provided with a first empty slot, and the left and right ends of the second support leg are both provided with a second empty slot. Bolts fix the first support leg to the bottom end of the first support leg boss through the first empty slot, and other bolts fix the second support leg to the bottom end of the second support leg boss through the second empty slot.

4. The easily assembled double-frame hydraulic press frame according to claim 1 is characterized in that: The horizontal plane of the bottom end of the first lower beam is arranged above the horizontal plane of the bottom end of the first supporting leg.

5. The easily assembled double-frame hydraulic press frame according to claim 1 is characterized in that: The number of the upper positioning keys is two, and the two upper positioning keys are arranged front to back oppositely. The number of the lower positioning keys is two, and the two lower positioning keys are arranged front to back oppositely.

6. A method for installing the easily assembled double-frame hydraulic press frame according to any one of claims 1 to 5, characterized in that: The following steps are involved: S10, laying down the first frame horizontally; S20, inserting one end of the upper positioning key into the first positioning groove of the upper boss of the first frame, and inserting one end of the lower positioning key into the second positioning groove of the lower boss of the first frame; S30, the two first legs are fixed to the first leg boss by bolts; The step 20 and the step 30 are not in any particular order; S40, lifting the first frame by a crane, and then vertically placing it at an installation position; S50, laying down the second frame horizontally, and fixing the two second legs to the second leg bosses by means of bolts; S60, lifting the second frame by a crane, and then inserting the other end of the upper positioning key into the first positioning groove of the upper boss of the second frame, and inserting the other end of the lower positioning key into the second positioning groove of the lower boss of the second frame, and placing the frame vertically; S70, installing the first small screw and the second small screw, and locking them with a locking member.

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